
ELITEGROUP COMPUTER SYSTEMS, INC.

SA 486P AIO

Processor       80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed 25/33/50(internal)/66(internal)MHz
Chip Set        Intel
Max. Onboard    128MB
DRAM
Cache           128/256KB
BIOS            Phoenix
Dimensions      330mm x 218mm
I/O Options     32-bit PCI local bus slots (3), floppy drive interface,

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

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  Reset switch                 J1       Parallel port              J8

  Speaker                      J2       Serial port 2              J10

  Power LED & keylock          J3       Serial port 1              J11

  SCSI drive interface         J4       32-bit PCI Local bus       S1
                                        slot

  IDE HDD interface            J5       32-bit PCI Local bus       S2
                                        slot

  Floppy drive interface       J6       32-bit PCI Local bus       S3
                                        slot

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Parallel port IRQ7                      JP13           pins 2 & 3
                                                              closed

      Parallel port IRQ5                      JP13           pins 1 & 2
                                                              closed

     Flash BIOS write protect enabled        JP19           pins 1 & 2
                                                              closed

      Flash BIOS write protect disabled       JP19           pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP26              N/A

     ODP586SX write back mode enabled        JP27            Closed

      ODP586SX write back mode disabled       JP27             Open

     Factory configured - do not alter       JP28           pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP29            Closed

     On board SCSI termination enabled       JP34            Closed

      On board SCSI termination               JP34             Open
      disabled

     Factory configured - do not alter       JP42            Closed

     Factory configured - do not alter       JP43              N/A

     Factory configured - do not alter       JP44              N/A

     Factory configured - do not alter       JP45              N/A

     Factory configured - do not alter       JP46              N/A

     Factory configured - do not alter       JP47              N/A

     Factory configured - do not alter       JP48           pins 2 & 3
                                                              closed

                            CACHE CONFIGURATION

     Size        Max Cachable      Bank 0        Bank 1          TAG

     128KB           16MB        (4) 32K x 8      NONE        (1) 16K x 4

     256KB           32MB        (4) 32K x 8   (4) 32K x 8    (1) 16K x 4

                        CACHE JUMPER CONFIGURATION

   Size     JP4    JP5     JP6    JP7    JP9     JP10     JP21     JP22

  128KB    2 & 3    1 &    1 &     2 &    2 &    2 & 3    Open     Open
                    2       2      3      3

  256KB    1 & 2    2 &    1 &     2 &    2 &    2 & 3   Closed    Closed
                    3       2      3      3

  Note:Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

       CPU          Socket      JP23       JP24       JP25        JP51

     80486SX         PGA       pins 2     Closed      pins 2     Closed
                                & 3                    & 3

     80486SX         PQFP       N/A        Open       pins 2     Closed
                                                       & 3

     80487SX         PGA       pins 1     Closed      1 & 2      Closed
                                & 2                  and 3 &
                                                        4

     80486DX         PGA       pins 3     Closed      1 & 2      Closed
                                & 4                  and 3 &
                                                        4

    80486DX2         PGA       pins 3     Closed      1 & 2      Closed
                                & 4                  and 3 &
                                                        4

     Pentium         PGA       pins 1     Closed      1 & 2       Open
    Overdrive                   & 2                  and 3 &
                                                        4

  Note:Pins designated should be in the closed position.

                          CPU SPEED CONFIGURATION

    Speed         JP1         JP2          JP3         JP17       JP18

    25MHz       Closed        Open       Closed      pins 2 &    pins 2 &
                                                        3           3

    33MHz        Open         Open       Closed      pins 2 &    pins 1 &
                                                        3           2

   50i MHz      Closed        Open       Closed      pins 2 &    pins 2 &
                                                        3           3

   66i MHz       Open         Open       Closed      pins 2 &    pins 1 &
                                                        3           2

  Note:Pins designated should be in the closed position.

                         PCI BUS INTERRUPT SELECT

      Setting              JP14              JP15              JP16

        IRQ 15          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

         IRQ 10          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

         IRQ 11          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          None           Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

  Note: IRQ14 is hardwired for IDE interface.

  If using an interrupt that cannot be shared with other devices, JP14,
  JP15, and JP16 should be set on pins 2 & 3 closed.

                    EPP/EPC CONFIGURATION

        Type                 JP11                JP12

     DRQ1/DACK1        pins 1 & 2 closed   pins 1 & 2 closed

     DRQ3/DACK3        pins 2 & 3 closed   pins 2 & 3 closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     2MB         (1) 256K x    (1) 256K x        NONE           NONE
                    36             36

     4MB         (1) 256K x    (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB         (1) 512K x    (1) 512K x        NONE           NONE
                    36             36

     6MB         (1) 256K x    (1) 256K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     6MB         (1) 512K x    (1) 512K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     8MB         (1) 512K x    (1) 512K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     8MB        (1) 1M x 36   (1) 1M x 36        NONE           NONE

     10MB        (1) 256K x    (1) 256K x    (1) 1M x 36     (1) 1M x 36
                    36             36

     10MB       (1) 1M x 36   (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     12MB        (1) 512K x    (1) 512K x    (1) 1M x 36     (1) 1M x 36
                    36             36

     12MB       (1) 1M x 36   (1) 1M x 36     (1) 512K x    (1) 512K x 36
                                                  36

     16MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     16MB       (1) 2M x 36   (1) 2M x 36        NONE           NONE

     18MB        (1) 256K x    (1) 256K x    (1) 2M x 36     (1) 2M x 36
                    36             36

     18MB       (1) 2M x 36   (1) 2M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     20MB        (1) 512K x    (1) 512K x    (1) 2M x 36     (1) 2M x 36
                    36             36

     20MB       (1) 2M x 36   (1) 2M x 36     (1) 512K x    (1) 512K x 36
                                                  36

                        DRAM CONFIGURATION (CONT.)

     Size          Bank 0         Bank 1        Bank 2          Bank 3

     24MB       (1) 1M x 36    (1) 1M x 36    (1) 2M x 36    (1) 2M x 36

     24MB       (1) 2M x 36    (1) 2M x 36    (1) 1M x 36    (1) 1M x 36

     32MB       (1) 2M x 36    (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     32MB       (1) 4M x 36    (1) 4M x 36       NONE            NONE

     34MB        (1) 256K x     (1) 256K x    (1) 4M x 36    (1) 4M x 36
                     36             36

     34MB       (1) 4M x 36    (1) 4M x 36     (1) 256K x     (1) 256K x
                                                  36              36

     36MB        (1) 512K x     (1) 512K x    (1) 4M x 36    (1) 4M x 36
                     36             36

     36MB       (1) 4M x 36    (1) 4M x 36     (1) 512K x     (1) 512K x
                                                  36              36

     40MB       (1) 1M x 36    (1) 1M x 36    (1) 4M x 36    (1) 4M x 36

     40MB       (1) 4M x 36    (1) 4M x 36    (1) 1M x 36    (1) 1M x 36

     48MB       (1) 2M x 36    (1) 2M x 36    (1) 4M x 36    (1) 4M x 36

     48MB       (1) 4M x 36    (1) 4M x 36    (1) 2M x 36    (1) 2M x 36

     64MB       (1) 4M x 36    (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     64MB       (1) 4M x 36    (1) 4M x 36       NONE            NONE

     66MB        (1) 256K x     (1) 256K x    (1) 8M x 36    (1) 8M x 36
                     36             36

     66MB       (1) 8M x 36    (1) 8M x 36     (1) 256K x     (1) 256K x
                                                  36              36

     68MB        (1) 512K x     (1) 512K x    (1) 8M x 36    (1) 8M x 36
                     36             36

     68MB       (1) 8M x 36    (1) 8M x 36     (1) 512K x     (1) 512K x
                                                  36              36

     72MB       (1) 1M x 36    (1) 1M x 36    (1) 8M x 36    (1) 8M x 36

     72MB       (1) 8M x 36    (1) 8M x 36    (1) 1M x 36    (1) 1M x 36

     80MB       (1) 2M x 36    (1) 2M x 36    (1) 8M x 36    (1) 8M x 36

     80MB       (1) 8M x 36    (1) 8M x 36    (1) 2M x 36    (1) 2M x 36

     96MB       (1) 4M x 36    (1) 4M x 36    (1) 8M x 36    (1) 8M x 36

     96MB       (1) 8M x 36    (1) 8M x 36    (1) 4M x 36    (1) 4M x 36

     128MB      (1) 8M x 36    (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

