(TXT) View Source
       
       # J-BOND COMPUTER SYSTEMS CORPORATION
       
          PCI400C-D
       
       Processor  UMCU5S/UMCU5SD/SL80486SX/SL80486SX2/SL80486DX/                   
                  SL80486DX2/CX486DX2/AM486DX2/AM486DXL2/SL80486DX2/               
                  SL80486DX2(ODP)/CX486DX4/AM486DX4/(SL)AM486DX4(WB)/              
                  SL80486DX4/P24T/ CX5X86                                          
       Processor  25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz 
       Speed      
       Chip Set   SIS                                                              
       Video Chip S3                                                               
       Set        
       Maximum    128MB                                                            
       Onboard    
       Memory     
       Maximum    Unidentified                                                     
       Video      
       Memory     
       Cache      128/256/512KB                                                    
       BIOS       Award                                                            
       Dimensions 330mm x 218mm                                                    
       I/O        32-bit PCI slot, Ethernet 10Base2 connector, Ethernet 10BaseT    
       Options    connector, floppy drive interface, game port, green PC           
                  connector, IDE interfaces (2), SCSI connector, parallel port,    
                  PS/2 mouse port, serial ports (2), VGA port, riser slot          
       NPU        None                                                             
       Options    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | VGA port          |   CN1    | Speaker          |    J3    |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN2    | Power LED &      |    J4    |
          |                   |          | keylock          |          |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   CN3    | Reset switch     |    J5    |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   CN4    | Green PC         |    J6    |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | PS/2 mouse port   |   CN5    | Turbo LED        |    J7    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   CN6    | Turbo switch     |    J8    |
          | interface         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Ethernet 10BaseT  |   CN7    | Green PC LED     |    J9    |
          | connector         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | IDE interface 2   |   CN8    | External battery |   J10    |
          |-------------------+----------+------------------+----------|
          | IDE interface 1   |   CN9    | Chassis fan      |   J11    |
          |                   |          | power            |          |
          |-------------------+----------+------------------+----------|
          | Ethernet 10Base2  |   CN10   | Game interface   |   J16    |
          | connector         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | SCSI interface    |   CN11   | Green PC         |   JP5    |
          |                   |          | connector (for   |          |
          |                   |          | I/O)             |          |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    J1    | Riser slot       |   SL1    |
          |-------------------+----------+------------------+----------|
          | SCSI LED          |    J2    | 32-bit PCI slot  |   SL2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | CMOS memory normal operation      |  J10  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | CMOS memory clear                 |  J10  | Pins 3 & 4 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Battery type select external      |  J10  |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter |  JC1  |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter |  JC2  |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | Green PC select STP.CLK           |  JP1  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Green PC select SMI OUT           |  JP1  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Game port enabled                 | JP14  |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | Game port disabled                | JP14  |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | IDE interface enabled             | JP15  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | IDE interface disabled            | JP15  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Parallel port IRQ select IRQ7     | JP16  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Parallel port IRQ select IRQ5     | JP16  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | SCSI terminator power source      | JP26  |   Closed   |
          |   | select from system board          |       |            |
          |---+-----------------------------------+-------+------------|
          |   | SCSI terminator power source      | JP26  |    Open    |
          |   | select from peripheral            |       |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |    Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |------+--------------+------------+------------+------------|
          | 1MB  |  (1) 256K x  |    None    |    None    |    None    |
          |      |      36      |            |            |            |
          |------+--------------+------------+------------+------------|
          | 2MB  |  (1) 512K x  |    None    |    None    |    None    |
          |      |      36      |            |            |            |
          |------+--------------+------------+------------+------------|
          | 2MB  |  (1) 256K x  | (1) 256K x |    None    |    None    |
          |      |      36      |     36     |            |            |
          |------+--------------+------------+------------+------------|
          | 3MB  |  (1) 256K x  | (1) 256K x | (1) 256K x |    None    |
          |      |      36      |     36     |     36     |            |
          |------+--------------+------------+------------+------------|
          | 4MB  | (1) 1M x 36  |    None    |    None    |    None    |
          |------+--------------+------------+------------+------------|
          | 4MB  |  (1) 512K x  | (1) 256K x | (1) 256K x |    None    |
          |      |      36      |     36     |     36     |            |
          |------+--------------+------------+------------+------------|
          | 4MB  |  (1) 512K x  | (1) 512K x |    None    |    None    |
          |      |      36      |     36     |            |            |
          |------+--------------+------------+------------+------------|
          | 4MB  |  (1) 256K x  | (1) 256K x | (1) 256K x | (1) 256K x |
          |      |      36      |     36     |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          |  Size   |   Bank 0    |   Bank 1   |  Bank 2   |  Bank 3   |
          |---------+-------------+------------+-----------+-----------|
          |   5MB   | (1) 1M x 36 | (1) 256K x |   None    |   None    |
          |         |             |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |   5MB   | (1) 256K x  | (1) 512K x | (1) 512K  |   None    |
          |         |     36      |     36     |   x 36    |           |
          |---------+-------------+------------+-----------+-----------|
          |   5MB   | (1) 256K x  |  (1) 1M x  |   None    |   None    |
          |         |     36      |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |   6MB   | (1) 1M x 36 | (1) 256K x | (1) 256K  |   None    |
          |         |             |     36     |   x 36    |           |
          |---------+-------------+------------+-----------+-----------|
          |   7MB   | (1) 1M x 36 | (1) 256K x | (1) 256K  | (1) 256K  |
          |         |             |     36     |   x 36    |   x 36    |
          |---------+-------------+------------+-----------+-----------|
          |   8MB   | (1) 1M x 36 | (1) 512K x | (1) 512K  |   None    |
          |         |             |     36     |   x 36    |           |
          |---------+-------------+------------+-----------+-----------|
          |   8MB   | (1) 1M x 36 |  (1) 1M x  |   None    |   None    |
          |         |             |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |   9MB   | (1) 256K x  |  (1) 1M x  | (1) 1M x  |   None    |
          |         |     36      |     36     |    36     |           |
          |---------+-------------+------------+-----------+-----------|
          |   9MB   | (1) 256K x  |  (1) 2M x  |   None    |   None    |
          |         |     36      |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |  10MB   | (1) 2M x 36 | (1) 512K x |   None    |   None    |
          |         |             |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |  11MB   | (1) 2M x 36 | (1) 256K x | (1) 256K  | (1) 256K  |
          |         |             |     36     |   x 36    |   x 36    |
          |---------+-------------+------------+-----------+-----------|
          |  12MB   | (1) 2M x 36 | (1) 512K x | (1) 512K  |   None    |
          |         |             |     36     |   x 36    |           |
          |---------+-------------+------------+-----------+-----------|
          |  13MB   | (1) 256K x  |  (1) 1M x  | (1) 1M x  | (1) 1M x  |
          |         |     36      |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  14MB   | (1) 2M x 36 | (1) 512K x | (1) 512K  | (1) 512K  |
          |         |             |     36     |   x 36    |   x 36    |
          |---------+-------------+------------+-----------+-----------|
          |  14MB   | (1) 512K x  |  (1) 1M x  | (1) 1M x  | (1) 1M x  |
          |         |     36      |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  16MB   | (1) 4M x 36 |    None    |   None    |   None    |
          |---------+-------------+------------+-----------+-----------|
          |  16MB   | (1) 1M x 36 |  (1) 1M x  | (1) 1M x  | (1) 1M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  17MB   | (1) 4M x 36 | (1) 256K x |   None    |   None    |
          |         |             |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |  18MB   | (1) 4M x 36 | (1) 256K x | (1) 256K  |   None    |
          |         |             |     36     |   x 36    |           |
          |---------+-------------+------------+-----------+-----------|
          |  20MB   | (1) 4M x 36 |  (1) 1M x  |   None    |   None    |
          |         |             |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |  28MB   | (1) 4M x 36 |  (1) 1M x  | (1) 1M x  | (1) 1M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  32MB   | (1) 8M x 36 |    None    |   None    |   None    |
          |---------+-------------+------------+-----------+-----------|
          |  32MB   | (1) 4M x 36 |  (1) 4M x  |   None    |   None    |
          |         |             |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |  33MB   | (1) 256K x  |  (1) 8M x  |   None    |   None    |
          |         |     36      |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |  34MB   | (1) 8M x 36 | (1) 256K x | (1) 256K  |   None    |
          |         |             |     36     |   x 36    |           |
          |---------+-------------+------------+-----------+-----------|
          |  34MB   | (1) 8M x 36 | (1) 512K x |   None    |   None    |
          |         |             |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |  36MB   | (1) 8M x 36 | (1) 512K x | (1) 512K  |   None    |
          |         |             |     36     |   x 36    |           |
          |---------+-------------+------------+-----------+-----------|
          |  40MB   | (1) 4M x 36 |  (1) 2M x  | (1) 2M x  | (1) 2M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  44MB   | (1) 8M x 36 |  (1) 1M x  | (1) 1M x  | (1) 1M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  48MB   | (1) 8M x 36 |  (1) 2M x  | (1) 2M x  |   None    |
          |         |             |     36     |    36     |           |
          |---------+-------------+------------+-----------+-----------|
          |  64MB   | (1) 8M x 36 |  (1) 8M x  |   None    |   None    |
          |         |             |     36     |           |           |
          |---------+-------------+------------+-----------+-----------|
          |  72MB   | (1) 2M x 36 |  (1) 8M x  | (1) 8M x  |   None    |
          |         |             |     36     |    36     |           |
          |---------+-------------+------------+-----------+-----------|
          |  80MB   | (1) 8M x 36 |  (1) 4M x  | (1) 4M x  | (1) 4M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  80MB   | (1) 4M x 36 |  (1) 8M x  | (1) 8M x  |   None    |
          |         |             |     36     |    36     |           |
          |---------+-------------+------------+-----------+-----------|
          |  96MB   | (1) 8M x 36 |  (1) 8M x  | (1) 8M x  |   None    |
          |         |             |     36     |    36     |           |
          |---------+-------------+------------+-----------+-----------|
          |  97MB   | (1) 256K x  |  (1) 8M x  | (1) 8M x  | (1) 8M x  |
          |         |     36      |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  98MB   | (1) 512K x  |  (1) 8M x  | (1) 8M x  | (1) 8M x  |
          |         |     36      |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  100MB  | (1) 1M x 36 |  (1) 8M x  | (1) 8M x  | (1) 8M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  104MB  | (1) 2M x 36 |  (1) 8M x  | (1) 8M x  | (1) 8M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  112MB  | (1) 4M x 36 |  (1) 8M x  | (1) 8M x  | (1) 8M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  128MB  | (1) 8M x 36 |  (1) 8M x  | (1) 8M x  | (1) 8M x  |
          |         |             |     36     |    36     |    36     |
          |---------+-------------+------------+-----------+-----------|
          |  128MB  |  (1) 16M x  | (1) 16M x  |   None    |   None    |
          |         |     36      |     36     |           |           |
          |------------------------------------------------------------|
          | Note: The location of the banks are unidentified. Any SIMM |
          | can be installed in any slot.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size     |    Bank 0     |    Bank 1     |     TAG      |
          |-------------+---------------+---------------+--------------|
          |    128KB    |  (4) 32K x 8  |     None      |  (1) 8K x 8  |
          |-------------+---------------+---------------+--------------|
          |  256KB (A)  |  (4) 32K x 8  |  (4) 32K x 8  | (1) 16K x 8  |
          |-------------+---------------+---------------+--------------|
          |  256KB (B)  |  (4) 64K x 8  |     None      | (1) 16K x 8  |
          |-------------+---------------+---------------+--------------|
          |  512KB (A)  | (4) 128K x 8  |     None      | (1) 32K x 8  |
          |-------------+---------------+---------------+--------------|
          |  512KB (B)  |  (4) 64K x 8  |  (4) 64K x 8  | (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size    |  JP6   |  JP7   |  JP8  |  JP9  |     JP10     |
          |-----------+--------+--------+-------+-------+--------------|
          |   128KB   | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
          |-----------+--------+--------+-------+-------+--------------|
          | 256KB (A) | 1 & 2  | 2 & 3  | 2 & 3 | 1 & 2 | 2 & 3, 4 & 5 |
          |-----------+--------+--------+-------+-------+--------------|
          | 256KB (B) | 1 & 2  | 2 & 3  | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
          |-----------+--------+--------+-------+-------+--------------|
          | 512KB (A) | 2 & 3  | 2 & 3  | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
          |-----------+--------+--------+-------+-------+--------------|
          | 512KB (B) | 2 & 3  | 2 & 3  | 2 & 3 | 1 & 2 | 2 & 3, 4 & 5 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |     Speed     |     JP2     |      JP3      |     JP4      |
          |---------------+-------------+---------------+--------------|
          |     25MHz     |    Open     |     Open      |     Open     |
          |---------------+-------------+---------------+--------------|
          |     33MHz     |    Open     |    Closed     |    Closed    |
          |---------------+-------------+---------------+--------------|
          |     40MHz     |    Open     |    Closed     |     Open     |
          |---------------+-------------+---------------+--------------|
          |    50iMHz     |    Open     |     Open      |     Open     |
          |---------------+-------------+---------------+--------------|
          |    66iMHz     |    Open     |    Closed     |    Closed    |
          |---------------+-------------+---------------+--------------|
          |    75iMHz     |    Open     |     Open      |     Open     |
          |---------------+-------------+---------------+--------------|
          |    100iMHz    |    Open     |    Closed     |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU TYPE SELECTION                     |
          |------------------------------------------------------------|
          |       Type       |  JC3   |  JC4   |  JC5  |  JC6  |  JC7  |
          |------------------+--------+--------+-------+-------+-------|
          |   UMC U5S (5v)   |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |  UMC U5SD (5v)   |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |  SL80486SX (5v)  |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          | SL80486SX2 (5v)  |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |  SL80486DX (5v)  |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |  CX486DX2 (5v)   |  Open  | 1 & 2  | 2 & 3 | 2 & 3 | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |     AM486DX2     |  Open  |  Open  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          | AM486DXL2 (3.3v) |  Open  | 1 & 2  | 2 & 3 | Open  | 2 & 3 |
          |------------------+--------+--------+-------+-------+-------|
          | SL80486DX2 (5v)  |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          | SL80486DX2(ODP)  |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          | CX486DX4 (3.3v)  |  Open  | 1 & 2  | 2 & 3 | 2 & 3 | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |  AM486DX4 (3v)   |  Open  |  Open  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          | (SL)AM486DX4(WB) |  Open  | 1 & 2  | 2 & 3 | 1 & 2 | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |    SL80486DX4    |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |  SL80486DX4(3v)  |  Open  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |       P24T       | 1 & 2  | 1 & 2  | 2 & 3 | Open  | Open  |
          |------------------+--------+--------+-------+-------+-------|
          |   CX5X86 (3v)    |  Open  | 1 & 2  | 2 & 3 | 1 & 2 | Open  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU TYPE SELECTION (CON’T)                 |
          |------------------------------------------------------------|
          |       Type       | JC8  |     JC9     | JC10  |    JC11    |
          |------------------+------+-------------+-------+------------|
          |   UMC U5S (5v)   | Open |    Open     | 3 & 4 |   2 & 3    |
          |------------------+------+-------------+-------+------------|
          |  UMC U5SD (5v)   | Open |    Open     | 3 & 4 |   3 & 4    |
          |------------------+------+-------------+-------+------------|
          |  SL80486SX (5v)  | Open |    3 & 4    | Open  |   2 & 3    |
          |------------------+------+-------------+-------+------------|
          | SL80486SX2 (5v)  | Open |    3 & 4    | Open  |   2 & 3    |
          |------------------+------+-------------+-------+------------|
          |  SL80486DX (5v)  | Open |    3 & 4    | Open  | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          |  CX486DX2 (5v)   | Open |    2 & 3    | 2 & 3 | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          |     AM486DX2     | Open |    Open     | Open  | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          | AM486DXL2 (3.3v) | Open |    Open     | 3 & 4 | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          | SL80486DX2 (5v)  | Open |    3 & 4    | Open  | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          | SL80486DX2(ODP)  | Open |    3 & 4    | Open  | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          | CX486DX4 (3.3v)  | Open |    2 & 3    | 2 & 3 | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          |  AM486DX4 (3v)   | Open |    Open     | Open  | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          | (SL)AM486DX4(WB) | Open | 1 & 2, 3 &  | Open  | 1 & 2, 3 & |
          |                  |      |      4      |       |     4      |
          |------------------+------+-------------+-------+------------|
          |    SL80486DX4    | Open |    3 & 4    | Open  | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          |  SL80486DX4(3v)  | Open |    3 & 4    | Open  | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          |       P24T       | Open |    3 & 4    | Open  | 1 & 2, 3 & |
          |                  |      |             |       |     4      |
          |------------------+------+-------------+-------+------------|
          |   CX5X86 (3v)    | Open | 1 & 2, 3 &  | Open  | 1 & 2, 3 & |
          |                  |      |      4      |       |     4      |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU TYPE SELECTION (CON’T)                 |
          |------------------------------------------------------------|
          |       Type       |     JC12     |  JC13  |  JC14  |  JC15  |
          |------------------+--------------+--------+--------+--------|
          |   UMC U5S (5v)   |    1 & 2     |  Open  |  Open  |  Open  |
          |------------------+--------------+--------+--------+--------|
          |  UMC U5SD (5v)   |    1 & 2     |  Open  |  Open  |  Open  |
          |------------------+--------------+--------+--------+--------|
          |  SL80486SX (5v)  |    3 & 4     |  Open  | 2 & 3  | 4 & 5  |
          |------------------+--------------+--------+--------+--------|
          | SL80486SX2 (5v)  |    3 & 4     |  Open  | 2 & 3  | 4 & 5  |
          |------------------+--------------+--------+--------+--------|
          |  SL80486DX (5v)  |    3 & 4     |  Open  | 2 & 3  | 4 & 5  |
          |------------------+--------------+--------+--------+--------|
          |  CX486DX2 (5v)   |    3 & 4     |  Open  | 1 & 2  | 2 & 3  |
          |------------------+--------------+--------+--------+--------|
          |     AM486DX2     |    3 & 4     |  Open  |  Open  |  Open  |
          |------------------+--------------+--------+--------+--------|
          | AM486DXL2 (3.3v) | 1 & 2, 3 & 4 |  Open  | 4 & 5  |  Open  |
          |------------------+--------------+--------+--------+--------|
          | SL80486DX2 (5v)  |    3 & 4     |  Open  | 2 & 3  | 4 & 5  |
          |------------------+--------------+--------+--------+--------|
          | SL80486DX2(ODP)  |    3 & 4     |  Open  | 2 & 3  | 4 & 5  |
          |------------------+--------------+--------+--------+--------|
          | CX486DX4 (3.3v)  |    3 & 4     |  Open  | 1 & 2  | 2 & 3  |
          |------------------+--------------+--------+--------+--------|
          |  AM486DX4 (3v)   |    3 & 4     |  Open  |  Open  |  Open  |
          |------------------+--------------+--------+--------+--------|
          | (SL)AM486DX4(WB) |    3 & 4     |  Open  | 2 & 3  | 4 & 5  |
          |------------------+--------------+--------+--------+--------|
          |    SL80486DX4    |    2 & 3     | 4 & 5  | 2 & 3  | 1 & 2  |
          |------------------+--------------+--------+--------+--------|
          |  SL80486DX4(3v)  |    3 & 4     |  Open  | 2 & 3  | 4 & 5  |
          |------------------+--------------+--------+--------+--------|
          |       P24T       |    2 & 3     |  Open  | 2 & 3  | 1 & 2  |
          |------------------+--------------+--------+--------+--------|
          |   CX5X86 (3v)    |    3 & 4     | 2 & 3  | 2 & 3  | 2 & 3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU VOLTAGE SELECTION                    |
          |------------------------------------------------------------|
          |         Voltage          |              JP33               |
          |--------------------------+---------------------------------|
          |           3.3v           |              Open               |
          |--------------------------+---------------------------------|
          |            5v            | Pins 1 & 2, 3 & 4, 5 & 6 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |     Channel      |        JP20        |        JP21        |
          |------------------+--------------------+--------------------|
          |    |      1      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |----+-------------+--------------------+--------------------|
          | »  |      3      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |    Setting    |   JP17   |   JP18    |   JP19   |   JP31   |
          |---------------+----------+-----------+----------+----------|
          | » | EPP mode  |   Open   | Pins 2 &  | Pins 1 & | Pins 1 & |
          |   |           |          | 3 closed  | 2 closed | 2 closed |
          |---+-----------+----------+-----------+----------+----------|
          |   |   LPT1    |   Any    | Pins 2 &  | Pins 2 & | Pins 1 & |
          |   |  (378h)   | setting  | 3 closed  | 3 closed | 2 closed |
          |---+-----------+----------+-----------+----------+----------|
          |   |  ECP/EPP  |   Open   | Pins 1 &  | Pins 2 & | Pins 1 & |
          |   |           |          | 2 closed  | 3 closed | 2 closed |
          |---+-----------+----------+-----------+----------+----------|
          |   |  EXT, 2   |   Open   | Pins 1 &  | Pins 1 & | Pins 1 & |
          |   |    FDD    |          | 2 closed  | 2 closed | 2 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting      |        JP22        |        JP25        |
          |------------------+--------------------+--------------------|
          |   COM1 (3F8h)    | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |   COM3 (3E8h)    | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   COM4 (2E8h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     Disabled     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting      |        JP23        |        JP24        |
          |------------------+--------------------+--------------------|
          |   COM2 (2F8h)    | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |   COM3 (3E8h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   COM4 (2E8h)    | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     Disabled     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SCSI/LAN INTERRUPT SELECTION                |
          |------------------------------------------------------------|
          |           Setting           | JP27  |   JP28    |   JP29   |
          |-----------------------------+-------+-----------+----------|
          |     On board LAN INT C      | 2 & 3 |   1 & 2   |   Any    |
          |                             |       |           | setting  |
          |-----------------------------+-------+-----------+----------|
          |     On board LAN INT B      | 2 & 3 |   2 & 3   |   Any    |
          |                             |       |           | setting  |
          |-----------------------------+-------+-----------+----------|
          |     On board SCSI INT C     | 2 & 3 |   1 & 2   |   Any    |
          |                             |       |           | setting  |
          |-----------------------------+-------+-----------+----------|
          |     On board SCSI INT B     | 2 & 3 |   2 & 3   |   Any    |
          |                             |       |           | setting  |
          |-----------------------------+-------+-----------+----------|
          | Both LAN/SCSI used (LAN INT | 2 & 3 |   2 & 3   |  2 & 3   |
          |       C, SCSI INT B)        |       |           |          |
          |-----------------------------+-------+-----------+----------|
          | Both LAN/SCSI used (LAN INT | 2 & 3 |   1 & 2   |  1 & 2   |
          |       B, SCSI INT C)        |       |           |          |
          |-----------------------------+-------+-----------+----------|
          |         No LAN/SCSI         | 1 & 2 |    Any    |   Any    |
          |                             |       |  setting  | setting  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+