PACKARD BELL

PB55 SERIES/F820 SERIES SX

(LEGEND 520SX)

Processor               80386SX
Processor Speed         20MHz
Chip Set                TI
Max. Onboard DRAM       16MB
Cache                   16/32KB
BIOS                    Phoenix
Dimensions              330mm x 218mm
I/O Options             Parallel port, serial ports (2), ps/2 mouse port,
                        vga interface, floppy drive interface, IDE
                        interface
NPU Options             80387SX

[Image]

                             CONNECTIONS

  Purpose              Location     Purpose              Location

  Keyboard                J1        Speaker                JP16

  PS/2 mouse port         J2        Reset switch        JP50 pin 1

  Serial port 2           J3        Turbo switch        JP50 pin 2

  Serial port 1           J4        Power ready         JP50 pin 3

  Parallel port           J5        IDE LED             JP50 pin 4

  VGA interface           J6        Turbo LED           JP50 pin 5

  Floppy interface        J10       Ground              JP50 pin 6

  IDE interface           J11       Keylock                JP51

  External battery        JP1       Riser card              S1

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper        Position

  »   Factory configured - do not alter         JP2             N/A

  »   Monitor type select color                 JP3           Closed

      Monitor type select monochrome            JP3            Open

  »   Factory configured - do not alter         JP4             N/A

  »   PS/2 mouse enabled                        JP5           Closed

      PS/2 mouse disabled                       JP5            Open

  »   800 x 600 display frequency select        JP7           Closed
      60Hz V/37.8KHz H

      800 x 600 display frequency select        JP7            Open
      56Hz V/35.2KHz H

  »   Monitor timing select multi-sync          JP8           Closed
      one

      Monitor timing select PS/2 and            JP8            Open
      others

  »   Video BIOS select PS/2 VGA mode           JP9           Closed

      Video BIOS select AT VGA mode             JP9            Open

  »   Factory configured - do not alter         JP10            N/A

  »   Factory configured - do not alter         JP11            N/A

  »   VGA interface enabled                     JP12          Closed

      VGA interface disabled                    JP12           Open

  »   CMOS memory normal operation              JP14           Open

      CMOS memory clear                         JP14          Closed

  »   Speaker select internal                   JP15         pins 1 & 2
                                                              closed

      Speaker select external                   JP15         pins 2 & 3
                                                              closed

  »   Factory configured - do not alter         JP18            N/A

  »   Printer port type select Centronics       JP30          Closed

      Printer port type select PS/2             JP30           Open
      (bi-directional)

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         NONE

     2.5MB        (2) 256K x 9    (2) 1M x 9

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         NONE

     8.5MB        (2) 256K x 9    (2) 4M x 9

      10MB        (2) 1M x 9      (2) 4M x 9

      16MB        (2) 4M x 9      (2) 4M x 9

                      CACHE CONFIGURATION

        Size                Bank 0               Bank 1

        16KB              (2) 8K x 8              NONE

        32KB              (2) 8K x 8           (2) 8K x 8

  Note: Bank 0 is factory installed and is not configurable.