IBM CORPORATION

PC SERVER 704 (TYPE 8650) MODEL 7AX

Processor                  Pentium Pro
Processor Speed            166MHz
Chip Set                   Unidentified
Video Chip Set             Cirrus Logic
Maximum Onboard Memory     2GB
Maximum Video Memory       1MB
Cache                      512KB (located on Pentium Pro CPU)
BIOS                       Unidentified
Dimensions                 355mm x 304mm
I/O Options                32-bit PCI slots (4), floppy drive interface,
                           Ultra Wide SCSI interfaces (2), parallel port,
                           PS/2 mouse port, serial ports (2), VGA port,
                           riser slots (2), memory slot
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Power control               C1       Serial port                CN3
  connector

  Front panel connector       C2       Serial port                CN4

  Chassis fan power           C4       PS/2 mouse port            CN5

  Chassis fan power           C5       Floppy drive               CN6
                                       interface

  SCSI interface LED          C6       Ultra Wide SCSI            CN7
                                       interface

  Chassis fan power           C8       Ultra Wide SCSI            CN8
                                       interface

  Chassis fan power           C9       32-bit PCI slots         PC1 – PC4

  SCSI interface LED         C10       CPU slot                   SL1

  Parallel port              CN1       CPU slot                   SL2

  VGA port                   CN2       Memory slot                SL3

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   Factory configured - do not           C7           Unidentified
      alter

  »   Factory configured - do not           J1           Unidentified
      alter

  »   Factory configured - do not           J2           Unidentified
      alter

  »   Flash BIOS normal operation          J6A1        Pins 1 & 2 closed

      Flash BIOS recovery mode             J6A1        Pins 2 & 3 closed

  »   BIOS boot block write                J6A1        Pins 4 & 5 closed
      protected

      BIOS boot block write                J6A1        Pins 5 & 6 closed
      programmable

  »   Video sleep register select          J6A2        Pins 4 & 5 closed
      03C3H

      Video sleep register select          J6A2        Pins 5 & 6 closed
      46E8H

  »   Factory configured - do not          J6A3          Unidentified
      alter

  »   Flash BIOS update disabled           J6A4        Pins 1 & 2 closed

      Flash BIOS update enabled            J6A4        Pins 2 & 3 closed

  »   CMOS memory normal operation        S6A1/1              Off

      CMOS memory clear                   S6A1/1              On

  »   Password normal operation           S6A1/2              Off

      Password clear                      S6A1/2              On

  »   Factory configured - do not         S6A1/3              Off
      alter

                            DIMM CONFIGURATION

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

     128MB       (4) 8M x 36       None           None           None

     128MB       (4) 4M x 36   (4) 4M x 36        None           None

     192MB       (4) 4M x 36   (4) 4M x 36    (4) 4M x 36        None

     256MB       (4) 16M x 36      None           None           None

     256MB       (4) 4M x 36   (4) 4M x 36    (4) 4M x 36    (4) 4M x 36

     256MB       (4) 8M x 36   (4) 8M x 36        None           None

     384MB       (4) 8M x 36   (4) 8M x 36    (4) 8M x 36        None

     512MB       (4) 32M x 36      None           None           None

                      DIMM/SIMM CONFIGURATION (CON’T)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     512MB       (4) 8M x 36   (4) 8M x 36    (4) 8M x 36    (4) 8M x 36

     512MB       (4) 16M x 36  (4) 16M x 36       None           None

     768MB       (4) 16M x 36  (4) 16M x 36   (4) 16M x 36       None

    1024MB       (4) 16M x 36  (4) 16M x 36   (4) 16M x 36   (4) 16M x 36

    1024MB       (4) 32M x 36  (4) 32M x 36       None           None

    1536MB       (4) 32M x 36  (4) 32M x 36   (4) 32M x 36       None

    2048MB       (4) 32M x 36  (4) 32M x 36   (4) 32M x 36   (4) 32M x 36

                   CACHE CONFIGURATION

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

               VIDEO MEMORY CONFIGURATION

            Size                       Bank 0

           512KB                       512KB

            1MB                         1MB

  Note: The size of the video memory is unidentified.