AMERICAN RESEARCH CORPORATION

MB-386Vsx

Processor               80386SX
Processor Speed         16/20MHz
Chip Set                Faraday
Max. Onboard DRAM       8MB
SRAM Cache              None
BIOS                    Phoenix
Dimensions              330mm x 218mm
I/O Options             16-bit expansion card slot, 8514/A feature
                        connector, bus mouse port, floppy drive interface,
                        IDE interface, parallel port, serial port (2),
                        VGA/video port
NPU Options             80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Bus mouse port              J4       VGA port                    J12

  Reset switch                J6       IDE drive interface         J14

  Floppy drive interface      J7       IDE active LED &            J15
                                       keylock

  Serial port (COM2)          J8       Speaker                     J17

  Serial port (COM1)          J9       16-bit expansion card       S1

  Parallel port               J10      IDE interface LED           W11

  8514/A feature              J11

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

      Bus mouse enabled                        W4             closed

      Bus mouse disabled                       W4              open

  »   Monitor type select color                W5            pins 2 & 3
                                                              closed

      Monitor type select monochrome           W5            pins 1 & 2
                                                              closed

  »   VGA display enabled                      W7            pins 2 & 3
                                                              closed

      VGA display disabled                     W7            pins 1 & 2
                                                              closed

      IDE access LED enabled                   W11           pins 2 & 3
                                                              closed

      IDE access LED disabled                  W11           pins 1 & 2
                                                              closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (2) 256K x 9   (2) 256K x 9      NONE           NONE

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

     3MB        (2) 1M x 9     (2) 256K x 9   (2) 256K x 9      NONE

     4MB        (2) 1M x 9     (2) 1M x 9        NONE           NONE

     5MB        (2) 1M x 9     (2) 1M x 9     (2) 256K x 9  (2) 256K x 9

     6MB        (2) 1M x 9     (2) 1M x 9     (2) 1M x 9        NONE

     8MB        (2) 1M x 9     (2) 1M x 9     (2) 1M x 9     (2) 1M x 9