
UNIDENTIFIED

VEGA VS3486AIO-2VL

Processor     80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor     20/25/33/40/50(internal)/50/66(internal)
Speed
Chip Set      Symphony
Max. onboard  32MB
DRAM
Cache         64/256/1024KB
BIOS          AMI
Dimensions    330mm x 218mm
I/O Options   32-bit VESA local bus slots (2), floppy drive interface,
              game port

              IDE interface, parallel port, serial ports (2)
NPU Options   None

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose               Location

  Floppy drive interface      FDC        32-bit VESA local        S1
                                         bus slot

  Game port                    GP        32-bit VESA local        S2
                                         bus slot

  IDE interface               IDE        Serial port 1            SC1

  External battery             J2        Serial port 2            SC2

  Power LED & keylock         KEYL       Speaker                 SPKR

  Parallel port                PC        Turbo LED               TLED

  Reset switch                RSET       Turbo switch             TSW

  Note: A DS146818A must be installed and the DS1287 removed, to use an
  external battery.

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

     CMOS memory normal operation              J3           pins 1 & 2
                                                              closed

      CMOS memory clear                         J3           pins 3 & 4
                                                              closed

     Battery select internal                  JP2            Closed

      Battery select external                  JP2             Open

      BIOS type select regular (27C512)        JP3           pins 1 & 2
                                                              closed

      BIOS type select flash (28F001BX)        JP3           pins 2 & 3
                                                              closed

     Factory configured - do not alter        JP32          pins 2 & 3
                                                              closed

      Parallel port (PC) select IRQ5            W7           pins 1 & 2
                                                              closed

      Parallel port (PC) select IRQ7            W7           pins 2 & 3
                                                              closed

     Serial port 2 (SC2) select IRQ3           W8           pins 1 & 2
                                                              closed

      Serial port 2 (SC2) select IRQ4           W8           pins 2 & 3
                                                              closed

     Serial port 1 (SC1) select IRQ3          W11           pins 1 & 2
                                                              closed

      Serial port 1 (SC1) select IRQ4          W11           pins 2 & 3
                                                              closed

     Floppy drive enabled                     W12           pins 1 & 2
                                                              closed

      Floppy drive disabled                    W12           pins 2 & 3
                                                              closed

  Note: J3 & JP2 will not function unless the DS1287 RTC is replaced with
  a DSA146818A RTC.

                     SERIAL PORT 1 (SC1) CONFIGURATION

        COM            I/O Address           W1                 W2

       COM1               3F8h            pins 1 & 2        pins 1 & 2
                                           closed             closed

       COM2               2F8h            pins 1 & 2        pins 2 & 3
                                           closed             closed

       COM3               3E8h            pins 2 & 3        pins 1 & 2
                                           closed             closed

     Disabled              N/A            pins 2 & 3        pins 2 & 3
                                           closed             closed

                     SERIAL PORT 2 (SC2) CONFIGURATION

        COM            I/O Address           W3                 W5

       COM1               3F8h            pins 1 & 2        pins 1 & 2
                                           closed             closed

       COM2               2F8h            pins 1 & 2        pins 2 & 3
                                           closed             closed

       COM4               2E8h            pins 2 & 3        pins 1 & 2
                                           closed             closed

     Disabled              N/A            pins 2 & 3        pins 2 & 3
                                           closed             closed

                     PARALLEL PORT (PC) CONFIGURATION

        LPT            I/O Address           W6                 W9

       LPT1               378h            pins 1 & 2        pins 1 & 2
                                           closed             closed

       LPT2               278h            pins 1 & 2        pins 2 & 3
                                           closed             closed

       LPT3               3BCh            pins 2 & 3        pins 1 & 2
                                           closed             closed

     Disabled              N/A            pins 2 & 3        pins 2 & 3
                                           closed             closed

                        IDE INTERFACE CONFIGURATION

        Mode               JA1               W4                W10

      Enabled            Closed            Closed           pins 1 & 2
                                                             closed

      Disabled            Open              Open            pins 2 & 3
                                                             closed

              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

      16MB        (4) 4M x 9         NONE

      17MB        (4) 256K x 9    (4) 4M x 9

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                      CACHE CONFIGURATION

      Size       Max Cachable        Cache           TAG

      64KB            8MB         (8) 8K x 8      (1) 8K x 8

     256KB           32MB         (8) 32K x 8    (1) 32K x 8

      1MB            64MB        (8) 128K x 8    (1) 128K x 8

                        CACHE JUMPER CONFIGURATION

     Size         JP27        JP28        JP29        JP30        JP31

     64KB       pins 1 &    pins 1 &    pins 1 &    pins 1 &     pins 1 &
                   2           2           2           2            2

    256KB       pins 2 &    pins 1 &    pins 1 &    pins 2 &     pins 2 &
                   3           2           2           3            3

    1024KB      pins 2 &    pins 2 &    pins 2 &    pins 2 &     pins 2 &
                   3           3           3           3            3

  Note:Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

     Jumper          80386DX        80486SX/80487SX     80486DX/DX2/ODP

      JP6             Open              Closed               Closed

      JP17           Closed              Open                 Open

      JP18          pins 1 & 2     pins 2 & 3 closed   pins 2 & 3 closed
                     closed

      JP24             N/A         pins 2 & 3 closed   pins 1 & 2 closed

      JP25             N/A               Open                Closed

      JP26             N/A               Open                Closed

      JP33          pins 2 & 3     pins 1 & 2 closed   pins 1 & 2 closed
                     closed

      JP34          pins 2 & 3     pins 1 & 2 closed   pins 1 & 2 closed
                     closed

      JP35          pins 1 & 2     pins 2 & 3 closed   pins 2 & 3 closed
                     closed

      JP36          pins 1 & 2     pins 2 & 3 closed   pins 2 & 3 closed
                     closed

      JP37          pins 1 & 2     pins 2 & 3 closed   pins 2 & 3 closed
                     closed

                          CPU SPEED CONFIGURATION

   Jumper       20MHz        25/50I      33/66I      40MHz       50MHz
                              MHz         MHz

     JP4        Closed       Open        Closed       Open        Open

     JP5        Closed      Closed        Open        Open       Closed

     JP7       pins 1 &     pins 1 &    pins 1 &    pins 1 &   pins 2 & 3
                  2            2           2           2

    JP7A       pins 1 &     pins 1 &    pins 1 &    pins 1 &   pins 2 & 3
                  2            2           2           2

     JP8       pins 2 &     pins 2 &    pins 2 &    pins 2 &   pins 1 & 2
                  3            3           3           3

    JP11         Open        Open         Open        Open       Closed

    JP12         Open        Open         Open        Open       Closed

    JP13         Open        Open         Open        Open       Closed

    JP14         Open        Open         Open        Open       Closed

  Note:Pins designated should be in the closed position.

  VESA CPU TYPE (ID0 &AMP; ID1) CONFIGURATION

    CPU Type       JP9 (ID0)      JP10 (ID1)

     80386          Closed           Open

     80486           Open           Closed

       VESA WAIT STATE (ID2) CONFIGURATION

   Wait states      CPU speed        JP16 (ID2)

  0 wait states        33MHz           Open

  1 wait state        > 33MHz          Closed

  VESA BUS SPEED (ID3) CONFIGURATION

     CPU speed          JP15 (ID3)

       33MHz              Open

      > 33MHz             Closed

