REPLY CORPORATION

POWERBOARD 25-286, PS/2 MODEL 25

Processor       CX486DX2/80486DX2/80486DX4
Processor Speed 50(internal)/66(internal)/100(internal)MHz
Chip Set        Unidentified
Max. Onboard    32MB
DRAM
Cache           None
BIOS            Reply
Dimensions      330mm x 218mm
I/O Options     PS/2 mouse port, parallel port, serial port, floppy drive
                interface, IDE interface, VGA interface, riser slot
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  VGA interface               J4       PS/2 mouse port             J21

  Drive power connector       J5       Headphone connector         J23

  External battery            J6       Parallel port               J24

  IDE interface               J13      Serial port                 J25

  Floppy drive interface      J15      Riser Card                  SL1

  ST-506/412 interface        J19

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

  »   VGA IRQ enabled                         J3            pins 1 & 2
                                                              closed

      VGA IRQ disabled                        J3            pins 2 & 3
                                                              closed

  »   Floppy drive cable select type A        J12           pins 2 & 3
                                                              closed

      Floppy drive cable select type B        J12           pins 1 & 2
                                                              closed

  »   IRQ5 enabled                            J17           pins 1 & 2
                                                              closed

      IRQ5 disabled                           J17           pins 2 & 3
                                                              closed

  »   CMOS memory normal operation            J18           pins 1 & 2
                                                              closed

      CMOS memory clear                       J18           pins 2 & 3
                                                              closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       1MB        (1) 256K x 36         NONE

       2MB        (1) 256K x 36    (1) 256K x 36

       4MB         (1) 1M x 36          NONE

       5MB         (1) 1M x 36     (1) 256K x 36

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

      16MB         (1) 4M x 36          NONE

      17MB        (1) 256K x 36     (1) 4M x 36

      17MB         (1) 4M x 36     (1) 256K x 36

      20MB         (1) 1M x 36      (1) 4M x 36

      20MB         (1) 4M x 36      (1) 1M x 36

      32MB         (1) 4M x 36      (1) 4M x 36

      CPU TYPE CONFIGURATION

    Type        J1          J2

  CX486DX2    Closed       Open

  80486DX2     Open       Closed

  80486DX4     Open       Closed

          CPU SPEED CONFIGURATION

   Speed     SW1/1      SW1/2      SW1/3

  50iMHz      Off        Off        On

  66iMHz       On         On        Off

  100iMHz      On         On        Off