
IBM CORPORATION

PC SERVER 320 (TYPE 8640)

MODELS OYO, OYT, 1YO, 1YT

Processor                  Pentium
Processor Speed            90/100MHz
Chip Set                   Unidentified
Video Chip Set             None
Maximum Onboard Memory     256MB
Maximum Video Memory       None
Cache                      256/512KB
BIOS                       Unidentified
Dimensions                 355mm x 304mm
I/O Options                32-bit PCI slots (3), floppy drive interface,
                           IDE interface, parallel port, PS/2 mouse port,
                           serial ports (2)
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  PS/2 mouse port             J6       IDE interface LED          W24

  Parallel port               J9       Speaker                    W31

  Floppy drive interface     J10       Chassis fan power          W35

  Serial port 1              J11       Chassis fan power          W36

  Serial port 2              J12       Power LED & keylock        W37

  IDE interface              J13       IDE interface LED          W38

  Speaker                    W12       32-bit PCI slots         PC1 - PC3

  Power LED & keylock        W18

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           W2               Open
      alter

     Factory configured - do not           W10        Pins 2 & 3 closed
      alter

      Jumper information unavailable        W11          Unidentified

      Jumper information unavailable        W13          Unidentified

      Jumper information unavailable        W14          Unidentified

      Jumper information unavailable        W15          Unidentified

     Factory configured - do not           W16        Pins 1 & 2 closed
      alter

     Factory configured - do not           W17             Closed
      alter

     Monitor type select color             W20             Closed

      Monitor type select monochrome        W20              Open

     Keyboard type select PS/2 mouse       W21             Closed
      and keyboard

      Keyboard type select AT               W21              Open
      keyboard

     Factory configured - do not           W22              Open
      alter

     Factory configured - do not           W23              Open
      alter

     ISA primary IDE IRQ select            W25        Pins 1 & 2 closed
      IRQ14

      ISA secondary IDE IRQ select          W25        Pins 2 & 3 closed
      IRQ15

     Factory configured - do not           W30              Open
      alter

      Jumper information unavailable        W32          Unidentified

      Jumper information unavailable        W33          Unidentified

      Jumper information unavailable        W34          Unidentified

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (2) 1M x 36       None           None          None

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

     16MB       (2) 2M x 36       None           None          None

     24MB       (2) 1M x 36   (2) 2M x 36        None          None

     24MB       (2) 1M x 36   (2) 1M x 36    (2) 1M x 36       None

     24MB       (2) 2M x 36   (2) 1M x 36        None          None

                       DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     32MB       (2) 2M x 36   (2) 2M x 36        None          None

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

     32MB       (2) 2M x 36   (2) 1M x 36    (2) 1M x 36       None

     32MB       (2) 4M x 36       None           None          None

     40MB       (2) 1M x 36   (2) 4M x 36        None          None

     40MB       (2) 1M x 36   (2) 2M x 36    (2) 2M x 36       None

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

     40MB       (2) 4M x 36   (2) 1M x 36        None          None

     48MB       (2) 2M x 36   (2) 4M x 36        None          None

     48MB       (2) 2M x 36   (2) 2M x 36    (2) 2M x 36       None

     48MB       (2) 4M x 36   (2) 2M x 36        None          None

     48MB       (2) 4M x 36   (2) 1M x 36    (2) 1M x 36       None

     56MB       (2) 1M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     56MB       (2) 4M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     64MB       (2) 4M x 36   (2) 4M x 36        None          None

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

     64MB       (2) 4M x 36   (2) 2M x 36    (2) 2M x 36       None

     64MB       (2) 8M x 36       None           None          None

     72MB       (2) 1M x 36   (2) 8M x 36        None          None

     72MB       (2) 1M x 36   (2) 4M x 36    (2) 4M x 36       None

     72MB       (2) 8M x 36   (2) 1M x 36        None          None

     80MB       (2) 2M x 36   (2) 8M x 36        None          None

     80MB       (2) 2M x 36   (2) 4M x 36    (2) 4M x 36       None

     80MB       (2) 8M x 36   (2) 2M x 36        None          None

     80MB       (2) 8M x 36   (2) 1M x 36    (2) 1M x 36       None

     88MB       (2) 8M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     96MB       (2) 4M x 36   (2) 8M x 36        None          None

     96MB       (2) 4M x 36   (2) 4M x 36    (2) 4M x 36       None

     96MB       (2) 8M x 36   (2) 4M x 36        None          None

     96MB       (2) 8M x 36   (2) 2M x 36    (2) 2M x 36       None

    104MB       (2) 1M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

    112MB       (2) 2M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

    112MB       (2) 8M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

    128MB       (2) 8M x 36   (2) 8M x 36        None          None

    128MB       (2) 4M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

    136MB       (2) 1M x 36   (2) 8M x 36    (2) 8M x 36       None

    144MB       (2) 2M x 36   (2) 8M x 36    (2) 8M x 36       None

    160MB       (2) 4M x 36   (2) 8M x 36    (2) 8M x 36       None

    160MB       (2) 8M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

    192MB       (2) 8M x 36   (2) 8M x 36    (2) 8M x 36       None

                       DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

    200MB       (2) 1M x 36   (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

    208MB       (2) 2M x 36   (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

    224MB       (2) 4M x 36   (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

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

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

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

     512KB       (4) 64K x 8   (4) 64K x 8

        CACHE JUMPER CONFIGURATION

        Size                  W5

        256KB         Pins 1 & 2 closed

        512KB         Pins 2 & 3 closed

                         CACHE TYPE CONFIGURATION

                  Type                                  W1

                Write back                            Open

                Write through                         Closed

                     CPU SPEED SELECTION

      CPU speed          Clock speed               W6

        90MHz               60MHz          Pins 1 & 2 closed

       100MHz               66MHz          Pins 2 & 3 closed

