
ELITEGROUP COMPUTER SYSTEMS, INC.

SA486P AIO-U (STD)

Processor     80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor     25/33/50(internal)/66(internal)MHz
Speed
Chip Set      Intel
Max. Onboard  128MB
DRAM
Cache         128/256/512KB
BIOS          AMI/Phoenix
Dimensions    330mm x 218mm
I/O Options   32-bit PCI bus slots (3), floppy drive interface, green PC
              connector, IDE interface, SCSI interface, parallel port,
              serial ports (2)
NPU Options   None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 2               J1       Reset switch                J9

  Serial port 1               J2       Speaker                    J10

  Parallel port               J4       Power LED & keylock        J11

  SCSI interface              J5       IDE interface LED          JP16

  IDE interface               J6       SCSI interface LED         JP44

  Floppy drive interface      J7       32-bit PCI bus slots     PC1 - PC3

  Turbo LED                   J8

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     BIOS type select EPROM                  JP2           pins 2 & 3
                                                              closed

      BIOS type select flash                  JP2           pins 1 & 2
                                                              closed

     Factory configured - do not             JP11             Open
      alter

     Cache installed                         JP31          pins 1 & 2
                                                              closed

      Cache not installed                     JP31          pins 2 & 3
                                                              closed

     Cache wait state select 0 wait          JP32          pins 1 & 2
      states                                                  closed

      Cache wait state select 1 wait          JP32          pins 2 & 3
      state                                                   closed

     80486DX4 speed select 3x                JP42             Open

      80486DX4 speed select 2x                JP42          pins 2 & 3
                                                              closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

       4MB        (2) 256K x 36    (2) 256K x 36

       4MB        (2) 512K x 36         NONE

       6MB        (2) 256K x 36    (2) 512K x 36

       6MB        (2) 512K x 36    (2) 256K x 36

       8MB        (2) 512K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          NONE

      10MB        (2) 256K x 36     (2) 1M x 36

      10MB         (2) 1M x 36     (2) 256K x 36

      12MB        (2) 512K x 36     (2) 1M x 36

      12MB         (2) 1M x 36     (2) 512K x 36

      16MB         (2) 1M x 36      (2) 1M x 36

      16MB         (2) 2M x 36          NONE

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

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

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

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

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

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

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

      32MB         (2) 4M x 36          NONE

      34MB        (2) 256K x 36     (2) 4M x 36

      34MB         (2) 4M x 36     (2) 256K x 36

      36MB        (2) 512K x 36     (2) 4M x 36

      36MB         (2) 4M x 36     (2) 512K x 36

      40MB         (2) 1M x 36      (2) 4M x 36

      40MB         (2) 4M x 36      (2) 1M x 36

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

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

      64MB         (2) 4M x 36      (2) 4M x 36

      64MB         (2) 8M x 36          NONE

      66MB        (2) 256K x 36     (2) 8M x 36

            DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1

      66MB         (2) 8M x 36     (2) 256K x 36

      68MB        (2) 512K x 36     (2) 8M x 36

      68MB         (2) 8M x 36     (2) 512K x 36

      72MB         (2) 1M x 36      (2) 8M x 36

      72MB         (2) 8M x 36      (2) 1M x 36

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

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

      96MB         (2) 4M x 36      (2) 8M x 36

      96MB         (2) 8M x 36      (2) 4M x 36

      128MB        (2) 8M x 36      (2) 8M x 36

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

     512KB       (4) 128K x 8        NONE        (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

     Size              JP25                JP28               JP30

    128KB       pins 1 & 2 closed       pins 2 & 3          pins 1 & 2
                                          closed             closed

    256KB        pins 1 & 2, 3 & 4      pins 1 & 2          pins 2 & 3
                      closed              closed             closed

    512KB       pins 1 & 2, 3 & 4,      pins 1 & 2          pins 1 & 2
                   5 & 6 closed           closed             closed

                          CPU TYPE CONFIGURATION

           Type                     JP38                    JP39

         SL80486SX            pins 2 & 3 closed            Closed

          80486SX             pins 2 & 3 closed             Open

         SL80487SX            pins 1 & 2, 3 & 4            Closed
                                   closed

          80487SX             pins 1 & 2, 3 & 4             Open
                                   closed

         SL80486DX            pins 1 & 2, 3 & 4            Closed
                                   closed

          80486DX             pins 1 & 2, 3 & 4             Open
                                   closed

        SL80486DX2            pins 1 & 2, 3 & 4            Closed
                                   closed

         80486DX2             pins 1 & 2, 3 & 4             Open
                                   closed

         80486DX4             pins 1 & 2, 3 & 4            Closed
                                   closed

   SL Pentium Overdrive       pins 1 & 2, 3 & 4            Closed
                                   closed

     Pentium Overdrive        pins 1 & 2 closed       pins 1 & 2 closed

                   CPU SPEED CONFIGURATION

        Speed                JP20                 JP34

        25MHz               Closed         pins 2 & 3 closed

        33MHz                Open          pins 1 & 2 closed

       50iMHz               Closed         pins 2 & 3 closed

       66iMHz                Open          pins 1 & 2 closed

                         CPU VOLTAGE CONFIGURATION

         Voltage                    JP35                    JP36

             3.3v            pins 2 & 3 closed        pins 2 & 3 closed

            5.0v            pins 1 & 2 closed        pins 1 & 2 closed

                     GREEN PC INTERRUPT CONFIGURATION

                  IRQ                                  JP1

                   IRQ5                         pins 1 & 2 closed

                   IRQ9                         pins 3 & 4 closed

                  IRQ14                        pins 5 & 6 closed

                     GREEN PC INTERRUPT CONFIGURATION

                  IRQ                                  JP6

                   IRQ7                         pins 1 & 2 closed

                   IRQ10                        pins 3 & 4 closed

                  IRQ11                        pins 5 & 6 closed

             PARALLEL PORT INTERRUPT/DMA REQUEST CONFIGURATION

       Setting              JP5              JP8               JP10

          DRQ1           pins 1 & 2          Open              Open
                          closed

         DRQ3           pins 2 & 3          Open              Open
                          closed

          DACK1            Open           pins 1 & 2           Open
                                            closed

         DACK3            Open           pins 2 & 3           Open
                                            closed

          IRQ5             Open              Open            pins 1 & 2
                                                              closed

         IRQ7             Open              Open            pins 2 & 3
                                                              closed

                    PCI INTERRUPT CONFIGURATION (INT A)

         IRQ                JP4              JP7                JP9

          IRQ9           pins 1 & 2          Open              Open
                          closed

          IRQ10            Open              Open            pins 1 & 2
                                                              closed

         IRQ11            Open           pins 1 & 2           Open
                                            closed

                    PCI INTERRUPT CONFIGURATION (INT B)

                 IRQ                                  JP43

                   IRQ7                         pins 1 & 2 closed

                  IRQ9                         pins 2 & 3 closed

                    PCI INTERRUPT CONFIGURATION (INT C)

         IRQ                JP4              JP7                JP9

          IRQ9           pins 2 & 3          Open              Open
                          closed

         IRQ10            Open              Open            pins 2 & 3
                                                              closed

          IRQ11            Open           pins 2 & 3           Open
                                            closed

