PACKARD BELL

PBVX588

Processor           NEC V40 (Integrated 8088-compatible CPU and system
                    controller)
Processor Speed     8MHz
Chip Set            NEC
Max. Onboard DRAM   640KB
SRAM Cache          None
BIOS                Award
Dimensions          355mm x 305mm
I/O Options         Parallel port, serial port, video port
NPU Options         8087

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Parallel port                 P7      Speaker                    P12

  Serial port                   P8      Reset                      P13

  Video port                    P9      Keylock & power LED        P14

  Floppy drive interface       P11

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Monitor type select color              TOG                Left

      Monitor type select                    TOG               Right
      monochrome

  »   Factory test mode disabled            SW1/1               Off

      Factory test mode enabled             SW1/1                On

  »   NPU disabled                          SW1/2                On

      NPU enabled                           SW1/2               Off

  »   System speed select fast              SW1/8                On
      (8MHz)

      System speed select slow              SW1/8               Off
      (5.5 MHz)

  »   Serial port enabled                  SW1/10                On

      Serial port disabled                 SW1/10               Off

  »   Parallel port enabled                SW1/11                On

      Parallel port disabled               SW1/11               Off

                   FLOPPY DRIVE INTERFACE CONFIGURATION

         Mode           Drives Installed       SW1/7           SW1/12

  »       Enabled              A:                On              On

          Enabled            A: & B:            Off              On

         Disabled              N/A              N/A             Off

                        ONBOARD VIDEO CONFIGURATION

           Mode                SW1/5           SW1/6           SW1/9

          Monochrome            Off             Off              On

           40x25 CGA            Off              On              On

  »        80x25 CGA             On             Off              On

       External EGA card         On              On             Off

                            DRAM CONFIGURATION

   Size      Bank 0     Bank 1     Bank 2    Bank 3     SW1/3     SW1/4

  256KB        (8)       NONE       NONE      NONE       On         On
             41256

  512KB        (8)        (8)       NONE      NONE       Off        On
             41256      41256

  576KB        (8)        (8)        (2)      NONE       On        Off
             41256      41256       4464

  640KB        (8)        (8)        (2)       (2)       Off       Off
             41256      41256       4464      4464

            Note:Parity sockets P1, P2, P3, and P4 are not used and
            should be left open. DRAM banks are soldered to the board,
            and should not be altered.