
ELITEGROUP COMPUTER SYSTEMS, INC.

SI5PI AIO (REV. 1)

Processor              Pentium
Processor Speed        60/66MHz
Chip Set               SIS
Max. Onboard DRAM      128MB
Cache                  256/512/1024KB
BIOS                   Award
Dimensions             330mm x 218mm
I/O Options            32-bit PCI slots (4), floppy drive interface, IDE
                       interfaces (2), parallel port, serial ports (2)
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                    Location    Purpose                Location

  Floppy drive interface        J5       Power LED & keylock      J12

  IDE interface (primary)       J6       Speaker                  J13

  Serial port 1                 J7       Reset switch             J14

  Serial port 2                 J8       Turbo LED                J15

  Parallel port                 J9       Turbo switch             J16

  IDE interface                J10       32-bit PCI slots       PC1 - PC4
  (secondary)

  IDE interface LED            J11

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper          Position

     On board multi I/O enabled             JP1        pins 1 & 2 closed

      On board multi I/O disabled            JP1        pins 2 & 3 closed

     IDE interface enabled                  JP2              Open

      IDE interface disabled                 JP2             Closed

     Parallel port mode select normal       JP8              Open

      Parallel port mode select ECP          JP8             Closed

     BIOS type select EPROM                 JP11       pins 2 & 3, 4 & 5
                                                             closed

      BIOS type select flash                 JP11       pins 1 & 2, 5 & 6
                                                             closed

     Parallel port IRQ select IRQ7          JP21       pins 1 & 2 closed

      Parallel port IRQ select IRQ5          JP21       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

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

       8MB         (2) 1M x 36          NONE

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

      16MB         (2) 2M x 36          NONE

      20MB        (2) 256K x 36     (2) 2M x 36

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

      32MB         (2) 4M x 36          NONE

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

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

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

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

      64MB         (2) 8M x 36          NONE

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

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

      128MB        (2) 16M x 36         NONE

               DRAM JUMPER CONFIGURATION

            Size                        JP4

            2MB                  pins 2 & 3 closed

            4MB                  pins 2 & 3 closed

            4MB              pins 1 & 2, 3 & 4 closed

            8MB              pins 1 & 2, 3 & 4 closed

            8MB                  pins 2 & 3 closed

            16MB                 pins 2 & 3 closed

            16MB             pins 1 & 2, 3 & 4 closed

            20MB             pins 1 & 2, 3 & 4 closed

            32MB             pins 1 & 2, 3 & 4 closed

            32MB                 pins 2 & 3 closed

           DRAM JUMPER CONFIGURATION (CONT)

            Size                        JP4

            36MB             pins 1 & 2, 3 & 4 closed

            40MB                 pins 2 & 3 closed

            48MB             pins 1 & 2, 3 & 4 closed

            64MB                 pins 2 & 3 closed

            64MB             pins 1 & 2, 3 & 4 closed

            80MB             pins 1 & 2, 3 & 4 closed

           128MB             pins 1 & 2, 3 & 4 closed

           128MB                 pins 2 & 3 closed

                            CACHE CONFIGURATION

     Size           Bank 0        Bank 1          TAG           DIRTY

     256KB       (8) 32K x 8       NONE       (1) 8K x 8     (1) 8K x 8

     512KB       (8) 32K x 8    (8) 32K x 8   (1) 32K x 8    (1) 32K x 8

     512KB       (8) 64K x 8       NONE       (1) 32K x 8    (1) 32K x 8

      1MB        (8) 64K x 8    (8) 64K x 8   (1) 32K x 8    (1) 32K x 8

      1MB        (8) 128K x 8      NONE       (1) 32K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

   Size          JP13           JP14            JP15            JP16

   256KB         Open           Open            Open        1 & 2, 3 & 4

   512KB         Open          Closed           Open        2 & 3, 4 & 5

   512KB         Open          Closed           1 & 2       1 & 2, 3 & 4

    1MB         Closed         Closed           2 & 3       2 & 3, 4 & 5

    1MB         Closed         Closed        1 & 2, 3 & 4   1 & 2, 3 & 4

  Note: Pins designated should be in the closed position.

                          CPU SPEED CONFIGURATION

      Speed              JP5               JP6                 JP7

      60MHz           pins 1 & 2        pins 2 & 3      pins 1 & 2 closed
                       closed             closed

      66MHz           pins 2 & 3        pins 1 & 2      pins 2 & 3 closed
                       closed             closed

                       CPU SIGNAL CONFIGURATION

        Setting                  JP19                    JP20

       Write back          pins 1 & 2 closed              N/A

     Write through         pins 2 & 3 closed              N/A

   Always invalidated             N/A              pins 1 & 2 closed

  Write to invalidated            N/A              pins 2 & 3 closed

                      DMA CONFIGURATION

      DRQ/DACK               JP9                  JP10

     DRQ1/DACK1        pins 2 & 3 closed   pins 1 & 2 closed

     DRQ3/DACK3        pins 1 & 2 closed   pins 2 & 3 closed

