(TXT) View Source
       
       # UNIDENTIFIED
       
          VEGA VS3486-3VL
       
          Processor         80386DX/80486SX/80486DX/80486DX2             
          Processor Speed   25/33/40/50(internal)/50/66(internal)MHz     
          Chip Set          Symphony                                     
          Max. Onboard DRAM 32MB                                         
          SRAM Cache        64/256/1024KB                                
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit Vesa local bus slots (3)              
          NPU Options       None                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |   BAT    | 32-bit Vesa      | S1, S2 & |
          |                   |          | local bus slots  |    S3    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   KEYL   | Turbo switch     |   SPD    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |   LED    | Speaker          |   SPK    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |   RST    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Batterly select internal         |  BT1   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery select external          |  BT1   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  CMOS  | pins 3 & 4 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  CMOS  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | BIOS type select normal (27C512) |  EPR   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | BIOS type select flash           |  EPR   | pins 2 & 3 |
          |   | (28F001BX)                       |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP19  |   Closed   |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP30  |   Closed   |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP31  |    Open    |
          |   | alter                            |        |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       17MB       |    (4) 256K x 9    |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Cache        |        TAG         |
          |------------------+--------------------+--------------------|
          |       64KB       |     (8) 8K x 8     |     (1) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      256KB       |    (8) 32K x 8     |    (1) 32K x 8     |
          |------------------+--------------------+--------------------|
          |      1024KB      |    (8) 128K x 8    |    (1) 128K x 8    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |  Size  |   JP10   |   JP11   |  JP12   |  JP15   |  JP16   |
          |--------+----------+----------+---------+---------+---------|
          |  64KB  | pins 1 & | pins 1 & | pins 1  | pins 1  | pins 1  |
          |        |    2     |    2     |   & 2   |   & 2   |   & 2   |
          |--------+----------+----------+---------+---------+---------|
          | 256KB  | pins 2 & | pins 2 & | pins 2  | pins 1  | pins 1  |
          |        |    3     |    3     |   & 3   |   & 2   |   & 2   |
          |--------+----------+----------+---------+---------+---------|
          | 1024KB | pins 2 & | pins 2 & | pins 2  | pins 2  | pins 2  |
          |        |    3     |    3     |   & 3   |   & 3   |   & 3   |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed postion.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          | Jumper |  80386DX   |  80486SX   |  80486DX   |  80486DX2  |
          |--------+------------+------------+------------+------------|
          |  JP6   |    Open    |   Closed   |   Closed   |   Closed   |
          |--------+------------+------------+------------+------------|
          |  JP7   | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |        |   closed   |   closed   |   closed   |   closed   |
          |--------+------------+------------+------------+------------|
          |  JP8   | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
          |        |   closed   |   closed   |   closed   |   closed   |
          |--------+------------+------------+------------+------------|
          |  JP9   | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |        |   closed   |   closed   |   closed   |   closed   |
          |--------+------------+------------+------------+------------|
          |  JP13  | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |        |   closed   |   closed   |   closed   |   closed   |
          |--------+------------+------------+------------+------------|
          |  JP14  | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
          |        |   closed   |   closed   |   closed   |   closed   |
          |--------+------------+------------+------------+------------|
          |  JP17  | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |        |    open    |   closed   |   closed   |   closed   |
          |--------+------------+------------+------------+------------|
          |  JP20  |   Closed   |    Open    |    Open    |    Open    |
          |--------+------------+------------+------------+------------|
          |  JP21  |    Open    |   Closed   |   Closed   |   Closed   |
          |--------+------------+------------+------------+------------|
          |  JP24  |   Closed   |    Open    |    Open    |    Open    |
          |--------+------------+------------+------------+------------|
          |  JP34  | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
          |        |   closed   |   closed   |   closed   |   closed   |
          |--------+------------+------------+------------+------------|
          |  JP35  |   Closed   |    Open    |   Closed   |   Closed   |
          |--------+------------+------------+------------+------------|
          |  JP36  |   Closed   |    Open    |   Closed   |   Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          | Speed | JP4  | JP5  | JP18 |JP22A|JP22 |JP23 | JP32 | JP33 |
          |-------+------+------+------+-----+-----+-----+------+------|
          |25/50i | Open |Closed|Closed|2 & 3|1 & 2|2 & 3| Open | Open |
          |  MHz  |      |      |      |     |     |     |      |      |
          |-------+------+------+------+-----+-----+-----+------+------|
          |33/66i |Closed| Open |Closed|2 & 3|1 & 2|2 & 3| Open | Open |
          |  MHz  |      |      |      |     |     |     |      |      |
          |-------+------+------+------+-----+-----+-----+------+------|
          | 40MHz | Open | Open | Open |2 & 3|1 & 2|2 & 3|Closed| Open |
          |-------+------+------+------+-----+-----+-----+------+------|
          | 50MHz | Open |Closed| Open |1 & 2|2 & 3|1 & 2|Closed|Closed|
          |------------------------------------------------------------|
          |Note:Pins designated should be in the closed postion.       |
          +------------------------------------------------------------+