
IBM CORPORATION

PC SERVER 325 (TYPE 8639)

Processor                  Pentium Pro
Processor Speed            166/180/200MHz
Chip Set                   Unidentified
Video Chip Set             Unidentified
Maximum Onboard Memory     512MB (EDO supported)
Maximum Video Memory       1MB
Cache                      256/512KB (located on Pentium Pro CPU)
BIOS                       Unidentified
Dimensions                 355mm x 304mm
I/O Options                32-bit PCI slots (5), Ethernet connectors (2),
                           floppy drive interface, Ultra SCSI interfaces
                           (2), parallel port, PS/2 mouse port, serial
                           port, VGA port, IR connector, VRM connectors
                           (2), CPU slot
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Chassis fan power           C1        Ultra SCSI interface      CN5

  Chassis fan power           C2        Parallel port             CN6

  System management           C3        Ultra SCSI interface      CN7
  connector

  C2 security cable           C4        Serial port               CN8
  connector

  Speaker                     C5        Floppy drive              CN9
                                        interface

  VGA port                    CN1       IR connector              CN10

  PS/2 mouse port             CN2       Front panel               CN11
                                        connector

  Ethernet connector          CN3       32-bit PCI slots       PC1 - PC5

  Ethernet connector          CN4       CPU slot                  SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Factory configured - do not alter       J12           Pins 2 & 3
      (system password)                                       closed

     Ethernet enabled                        J22           Pins 2 & 3
                                                              closed

      Ethernet disabled                       J22           Pins 1 & 2
                                                              closed

     On board video enabled                  J25           Pins 1 & 2
                                                              closed

      On board video disabled                 J25           Pins 2 & 3
                                                              closed

     SCSI enabled                            J26           Pins 2 & 3
                                                              closed

      SCSI disabled                           J26           Pins 1 & 2
                                                              closed

     SCSI type select 16-bit                 J29           Pins 2 & 3
                                                              closed

      SCSI type select 8-bit                  J29           Pins 1 & 2
                                                              closed

     Flash write enabled                     J30           Pins 1 & 2
                                                              closed

      Flash write disabled                    J30           Pins 2 & 3
                                                              closed

     System management adapter not           J49           Pins 2 & 3
      installed                                               closed

      System management adapter               J49           Pins 1 & 2
      installed                                               closed

                 VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  VRM connector 1              CN2      Chassis fan power          J21

  VRM connector 2              CN3      Chassis fan power          J22

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           CN1          Unidentified
      alter

     Factory configured - do not           J9           Unidentified
      alter

     Factory configured - do not           J10          Unidentified
      alter

     Factory configured - do not           J12          Unidentified
      alter

                            DIMM CONFIGURATION

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     16MB        (1) 2M x 64       None           None           None

     32MB        (1) 2M x 64   (1) 2M x 64        None           None

     32MB        (1) 4M x 64       None           None           None

     48MB        (1) 2M x 64   (1) 2M x 64    (1) 2M x 64        None

     64MB        (1) 2M x 64   (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     64MB        (1) 4M x 64   (1) 4M x 64        None           None

     64MB        (1) 8M x 64       None           None           None

     96MB        (1) 4M x 64   (1) 4M x 64    (1) 4M x 64        None

     128MB       (1) 4M x 64   (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     128MB       (1) 8M x 64   (1) 8M x 64        None           None

     128MB       (1) 16M x 64      None           None           None

     192MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64        None

     256MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     256MB       (1) 16M x 64  (1) 16M x 64       None           None

     384MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64       None

     512MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64   (1) 16M x 64

  Note: Board accepts EDO memory.

                      CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium Pro CPU.

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier      J1       J17       J18        J20
  speed     speed

  166MHz    66MHz        2.5x       Closed     Open     Closed     Open

  180MHz    60MHz         3x         Open     Closed     Open     Closed

  200MHz    66MHz         3x        Closed     Open     Closed     Open

                        CPU SPEED SELECTION (CON'T)

    CPU      Clock    Multiplier     J27       J28       J29        J30
  speed     speed

  166MHz    66MHz        2.5x       Closed     Open     Closed    Closed

  180MHz    60MHz         3x        Closed    Closed     Open     Closed

  200MHz    66MHz         3x        Closed    Closed     Open     Closed

