
ASUS COMPUTER INTERNATIONAL

ISA-386U3Q

Processor         AM386DX/80386DX/CX486DLC
Processor Speed   33/40MHz
Chip Set          UMC
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        234mm x 221mm
I/O Options       None
NPU Options       80387DX/CX487DLC

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Turbo LED                   CN1       Turbo switch               CN4

  Power LED & keylock         CN2       Reset switch               CN5

  Speaker                     CN3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     NPU disabled                            JP1           pins 1 & 2
                                                              closed

      NPU enabled                             JP1           pins 2 & 3
                                                              closed

     Monitor type select monochrome          JP2           pins 2 & 3
                                                              closed

      Monitor type select color               JP2           pins 1 & 2
                                                              closed

     PQFP CPU disabled                      JP101            Closed

      PQFP CPU enabled                       JP101             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

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

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      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         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size               CJ1                CJ2                CJ3

      64KB            pins 2 & 3         pins 2 & 3            Open
                       closed              closed

      128KB           pins 1 & 2            Open              Closed
                       closed

      256KB           pins 1 & 2         pins 1 & 2            Open
                       closed              closed

