
RECTRON ELECTRONIC ENTERPRISES, INC.

REM 433WB

Processor         80486DX
Processor Speed   33/50MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             64/256KB
BIOS              AMI
Dimensions        331mm x 219mm
I/O Options       32-bit external memory card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  External battery           J10       32-bit external memory      S1
                                       card

  Power LED & keylock        J23       Reset switch                SW1

  Speaker                    J24       Turbo switch                SW2

  Turbo LED                  JP12

                        USER CONFIGURABLE SETTINGS

              Function                    Jumper           Position

     Battery select internal              JP1              Closed

      Battery select external              JP1               Open

     CMOS memory normal operation         JP2         pins 1 & 2 closed

      CMOS memory clear                    JP2         pins 2 & 3 closed

     Bus speed select ATCLK/4             JP3              Closed

      Bus speed select ATCLK/6             JP3               Open

     CPU speed select iOSC                JP4         pins 1 & 2 closed

      CPU speed select iOSC/2              JP4         pins 2 & 3 closed

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

     4MB        (4) 1M x 9      NONE

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

     16MB       (4) 4M x 9      NONE

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

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

     CACHE CONFIGURATION

     Size          Bank 0

     64KB        (8) 8K x 8

     256KB      (8) 32K x 8

           CACHE JUMPER CONFIGURATION

   Size      JP8       JP9      JP10      JP11

   64KB     Open      Open      Open      Open

  256KB    Closed    Closed     Open     Closed

                         CPU TYPE CONFIGURATION

   Type             JP5                 JP6                  JP7

  80486SX          Open           pins 2 & 3 closed          Open

  80487SX    pins 1 & 2 closed    pins 1 & 2 closed         Closed

  80486DX    pins 2 & 3 closed    pins 1 & 2 closed         Closed

