PC CHIPS MANUFACTURING, LTD.
============================

   M590

   Device     Mainboard                                             
   Type       
   Processor  CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/CX MII/IBM     
              MII/AM K5/                                            
                                                                    
              AM K6/AM K6-2/IDT C6/Pentium/Pentium MMX              
   Processor  90/100/120/133/150/166/180/200/233/266/300/333/350MHz 
   Speed      
   Chip Set   Unidentified                                          
   Video Chip Unidentified                                          
   Set        
   Maximum    384MB (EDO & SDRAM supported)                         
   Onboard    
   Memory     
   Maximum    Unidentified                                          
   Video      
   Memory     
   Audio Chip Unidentified                                          
   Set        
   Cache      1024KB                                                
   BIOS       AMI                                                   
   Dimensions 254mm x 218mm                                         
   I/O        32-bit PCI slots (3), floppy drive interface, IDE     
   Options    interfaces (2), parallel port, PS/2 mouse port, PS/2  
              mouse interface, serial ports (2), ATX power          
              connector, AGP slot, digital line in, digital line    
              out, audio in - CD-ROMs (2), ATX form card connector, 
              sound/game connector                                  

<gopher://bitreich.org/I/th99/m/P-R/35885-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose        |   Location   |
   |-----------------+----------+----------------+--------------|
   | ATX power       |   ATX    | ATX form card  |      J3      |
   | connector       |          | connector      |              |
   |-----------------+----------+----------------+--------------|
   | Audio in -      |   CD1    | Digital audio  |      J4      |
   | CD-ROM          |          | out            |              |
   |-----------------+----------+----------------+--------------|
   | Audio in -      |   CD2    | Digital audio  |      J5      |
   | CD-ROM          |          | in             |              |
   |-----------------+----------+----------------+--------------|
   | Serial port 2   |   CN1    | Speaker        |   J8/pins    |
   |                 |          |                |   1/3/5/7    |
   |-----------------+----------+----------------+--------------|
   | Serial port 1   |   CN2    | Power LED &    |   J8/pins    |
   |                 |          | keylock        |  2/4/6/8/10  |
   |-----------------+----------+----------------+--------------|
   | Parallel port   |   CN3    | Turbo LED      | J8/pins 13 & |
   |                 |          |                |      14      |
   |-----------------+----------+----------------+--------------|
   | IDE interface 2 |   CN4    | IDE interface  | J8/pins 15 & |
   |                 |          | LED            |      16      |
   |-----------------+----------+----------------+--------------|
   | IDE interface 1 |   CN5    | Reset switch   | J8/pins 17 & |
   |                 |          |                |      18      |
   |-----------------+----------+----------------+--------------|
   | Floppy drive    |   CN6    | Soft off power | J8/pins 19 & |
   | interface       |          | supply         |      20      |
   |-----------------+----------+----------------+--------------|
   | Chassis fan     |   FAN    | VGA interface  |     JP4      |
   | power           |          |                |              |
   |-----------------+----------+----------------+--------------|
   | Sound/game      |    J1    | 32-bit PCI     |  PC1 - PC3   |
   | connector       |          | slots          |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Label |   Position    |
   |------------------------------------+-------+---------------|
   |>> | Microphone type select normal  |  J2   |     Open      |
   |---+--------------------------------+-------+---------------|
   |   | Microphone type select special |  J2   |    Closed     |
   |---+--------------------------------+-------+---------------|
   |>> | CMOS memory normal operation   |  JP6  |  Pins 1 & 2   |
   |   |                                |       |    closed     |
   |---+--------------------------------+-------+---------------|
   |   | CMOS memory clear              |  JP6  |  Pins 2 & 3   |
   |   |                                |       |    closed     |
   |---+--------------------------------+-------+---------------|
   |   | On board sound enabled         |  JP9  |     Open      |
   |---+--------------------------------+-------+---------------|
   |   | On board sound disabled        |  JP9  |    Closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 0             |
   |----------------------------+-------------------------------|
   |            8MB             |          (2) 1M x 36          |
   |----------------------------+-------------------------------|
   |            16MB            |          (2) 2M x 36          |
   |----------------------------+-------------------------------|
   |            32MB            |          (2) 4M x 36          |
   |----------------------------+-------------------------------|
   |            64MB            |          (2) 8M x 36          |
   |----------------------------+-------------------------------|
   |           128MB            |         (2) 16M x 36          |
   |----------------------------+-------------------------------|
   |           256MB            |         (2) 32M x 36          |
   |------------------------------------------------------------|
   |      Note: Board accepts EDO memory.                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 1       |       Bank 2       |
   |------------------+--------------------+--------------------|
   |       8MB        |    (1) 1M x 64     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (1) 2M x 64     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (1) 1M x 64     |    (1) 1M x 64     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (1) 2M x 64     |    (1) 1M x 64     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (1) 4M x 64     |        None        |
   |------------------+--------------------+--------------------|
   |       32MB       |    (1) 2M x 64     |    (1) 2M x 64     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (1) 4M x 64     |    (1) 1M x 64     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (1) 4M x 64     |    (1) 2M x 64     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (1) 8M x 64     |        None        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (1) 4M x 64     |    (1) 4M x 64     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (1) 8M x 64     |    (1) 1M x 64     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (1) 8M x 64     |    (1) 2M x 64     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (1) 8M x 64     |    (1) 4M x 64     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (1) 16M x 64    |        None        |
   |------------------+--------------------+--------------------|
   |      128MB       |    (1) 8M x 64     |    (1) 8M x 64     |
   |------------------+--------------------+--------------------|
   |      136MB       |    (1) 16M x 64    |    (1) 1M x 64     |
   |------------------+--------------------+--------------------|
   |      144MB       |    (1) 16M x 64    |    (1) 2M x 64     |
   |------------------+--------------------+--------------------|
   |      160MB       |    (1) 16M x 64    |    (1) 4M x 64     |
   |------------------+--------------------+--------------------|
   |      192MB       |    (1) 16M x 64    |    (1) 8M x 64     |
   |------------------+--------------------+--------------------|
   |      256MB       |    (1) 16M x 64    |    (1) 16M x 64    |
   |------------------------------------------------------------|
   |      Note: Board accepts SDRAM memory.                     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DIMM VOLTAGE CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Voltage      |        JP2A        |        JP2B        |
   |------------------+--------------------+--------------------|
   |       3.3v       | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |        5v        | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   | Note: The size of the video memory is unidentified.        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 0             |
   |----------------------------+-------------------------------|
   |            1MB             |         (2) 64K x 64          |
   +------------------------------------------------------------+