PACKARD BELL

PB22/23

Processor           80486SX/80487SX/80486DX
Processor Speed     20/33MHz
Chip Set            Intel
Max. onboard DRAM   32MB
Cache               64/128KB
BIOS                Phoenix
Dimensions          330mm x 220mm
I/O Options         Fax/modem daughterboard, floppy drive interface, IDE
                    interface, multi-function connector (IDE interface
                    LED, reset, keylock, turbo switch, turbo-LED),
                    parallel port, PS/2 keyboard port, PS/2 mouse port,
                    serial ports (2), VGA port
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  VGA connector              J1        IDE interface              J23

  Parallel port              J2        Floppy drive               J24
                                       interface

  Serial port 1              J3        Fan power connector        J25
                                       (+12 VDC)

  Serial port 2              J4        Multi-function             J29
                                       connector

  PS/2 mouse connector       J5        Keylock                    J30

  PS/2 keyboard              J6        Speaker                    J31
  connector

  External battery           J7        Riser card                 S1

  Proprietary fax/modem      J17
  daughterboard

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

  »   Modem enabled                          J11              Closed

      Modem disabled                         J11               Open

  »   PS/2 mouse enabled                     J12              Closed

      PS/2 mouse disabled                    J12               Open

  »   IDE interface address select           J20             pins 1 & 2
      primary                                                 closed

      IDE interface address select           J20             pins 2 & 3
      secondary                                               closed

  »   Floppy drive interface                 J22             pins 1 & 2
      address select primary                                  closed

      Floppy drive interface                 J22             pins 2 & 3
      address select secondary                                closed

  »   Onboard speaker enabled                J26             pins 1 & 2
                                                              closed

      Onboard speaker disabled               J26             pins 2 & 3
                                                              closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 1M x 9     (4) 256K x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                            VIDEO CONFIGURATION

    Onboard VGA        Monitor Type            J13              J19

      Enabled           Interlaced          pins 1 & 2         Closed
                                             closed

      Enabled         Non-interlaced        pins 1 & 2          Open
                                             closed

     Disabled               N/A             pins 2 & 3          N/A
                                             closed

                         SERIAL PORT CONFIGURATION

  Port 1 (J3)     Port 2    Modem (J17)      J11         J14       J15
                  (J4)

     COM1         COM2       Disabled        Open       pins 1   pins 1 &
                                                         & 2        2

     COM1         COM4       Disabled        Open       pins 1   pins 2 &
                                                         & 2        3

     COM3         COM2       Disabled        Open       pins 2   pins 1 &
                                                         & 3        2

     COM3         COM4       Disabled        Open       pins 2   pins 2 &
                                                         & 3        3

   Disabled       COM2         COM1         Closed       N/A     pins 1 &
                                                                    2

   Disabled       COM4         COM1         Closed       N/A     pins 2 &
                                                                    3

  Note:Pins designated should be in the closed position.

                        PARALLEL PORT CONFIGURATION

         LPT               IRQ              J16                J18

  »       LPT1            IRQ7           pins 1 & 2         pins 1 & 2
                                           closed             closed

          LPT1            IRQ5           pins 1 & 2         pins 2 & 3
                                           closed             closed

          LPT2            IRQ7           pins 2 & 3         pins 1 & 2
                                           closed             closed

          LPT2            IRQ5           pins 2 & 3         pins 2 & 3
                                           closed             closed

          CPU TYPE CONFIGURATION

    CPU       J27A       J27B      J27C

  80486SX     Open      Closed     Open

  80487SX     Open       Open     Closed

  80486DX    Closed      Open      Open

                            CACHE CONFIGURATION

      Size           Cache Socket           J28A               J28B
                        (U44)

      None               None               Open              Closed

      64KB           Intel 485MA           Closed              Open

      128KB          Intel 485MB           Closed              Open

      128KB            PB Cache            Closed              Open