ZENITH DATA SYSTEMS, INC.

Z-SERVER EL PRO

Device Type              Mainboard
Processor                Pentium Pro
Processor Speed          150/166/180/200MHz
Chip Set                 Intel 440FX
Video Chip Set           S3
Maximum Onboard Memory   256MB
Maximum Video Memory     2MB
Cache                    256KB (located on the Pentium Pro CPU)
BIOS                     Unidentified
Dimensions               305mm x 244mm
I/O Options              IDE interfaces (2), parallel port, PS/2 mouse
                         port, serial ports (2), VGA feature connector,
                         VGA port, riser slot, USB connectors (2), line
                         out, microphone in, audio in – CD-ROM

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  VGA feature              J1K1        PS/2 mouse port          J5N2
  connector

  VGA port                 J1N1        Parallel port            J7N1

  IR connector         J2A1/pins 8 -   IDE interface 2          J8H1
                            11

  IDE interface LED   J2A1/pins 15 &   Floppy drive             J8L1
                            16         interface

  Reset switch        J2A1/pins 23 &   Microphone in            J8N1
                            24

  Keylock                  J3A1        Soft off power           J9F1
                                       supply

  Serial port 2            J3N1        IDE interface 1          J9H2

  Serial port 1            J3N2        Audio in –               J9N1
                                       CD-ROM

  Chassis fan power        J4A1        Line out                 J9N2

  USB connector 1          J4N1        Riser slot               SL1

  USB connector 2         J4N1A

                        USER CONFIGURABLE SETTINGS

                Function                    Label           Position

  »   Flash write protect disabled          J4L2D      Pins 5 & 6 closed

      Flash write protect enabled           J4L2D      Pins 4 & 5 closed

  »   Flash recover enabled                 J4L2E      Pins 1 & 2 closed

      Flash recover disabled                J4L2E      Pins 2 & 3 closed

  »   CMOS memory normal operation          J4L2E      Pins 5 & 6 closed

      CMOS memory clear                     J4L2E      Pins 4 & 5 closed

  »   Password memory normal operation      J4L2F      Pins 1 & 2 closed

      Password memory clear                 J4L2F      Pins 2 & 3 closed

  »   Setup enabled                         J4L2F      Pins 5 & 6 closed

      Setup disabled                        J4L2F      Pins 4 & 5 closed

              SIMM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 36        None

      16MB        (2) 2M x 36        None

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

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

      32MB        (2) 4M x 36        None

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

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

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

      64MB        (2) 8M x 36        None

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

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

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

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

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

     128MB        (2) 16M x 36       None

     136MB        (2) 16M x 36   (2) 1M x 36

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

  Note: Board accepts EDO memory.

                            CPU SPEED SELECTION

  CPU speed     Clock speed    Multiplier       J4L2A           J4L2B

    150MHz         60MHz          2.5x          1 & 2           4 & 5

    166MHz         66MHz          2.5x          1 & 2           4 & 5

    180MHz         60MHz           3x           2 & 3           5 & 6

    200MHz         66MHz           3x           2 & 3           5 & 6