UNIDENTIFIED

YL-A05

Processor         80386DX
Processor Speed   20/25MHz
Chip Set          ACC
Max. Onboard DRAM 8MB
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       80387

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           JP2       Turbo LED                  JP16

  Turbo switch              JP13       Speaker                    JP17

  Power LED & keylock       JP14       32-bit external             S1
                                       memory card

  Reset switch              JP15

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

  »   Battery select internal                  JP1           pins 1 & 2
                                                              closed

      Battery select external                  JP1           pins 2 & 3
                                                              closed

  »   Monitor type select color                JP3           pins 2 & 3
                                                              closed

      Monitor type select monochrome           JP3           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter        JP4              N/A

  »   Pipeline mode enabled                    JP5           pins 1 & 2
                                                              closed

      Pipeline mode disabled                   JP5           pins 2 & 3
                                                              closed

  »   NPU mode select synchronous              JP6           pins 1 & 2
                                                              closed

      NPU mode select asynchronous             JP6           pins 2 & 3
                                                              closed

  »   NPU disabled                             JP12            Open

      NPU enabled                              JP12           Closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9      NONE           NONE           NONE

     1MB           NONE           NONE       (4) 256K x 9       NONE

     2MB        (4) 256K x 9  (4) 256K x 9       NONE           NONE

     2MB           NONE           NONE       (4) 256K x 9   (4) 256K x 9

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

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

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

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     8MB           NONE           NONE        (4) 1M x 9     (4) 1M x 9

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

  Notes:Banks 2 & 3 are used when an external proprietary memory card is
  installed.

                 DRAM JUMPER CONFIGURATION

   Size       JP7       JP8       JP9       JP10      JP11

   1MB       1 & 2     1 & 2     1 & 2     1 & 2     1 & 2

   1MB       1 & 2     2 & 3     2 & 3     2 & 3     2 & 3

   2MB       1 & 2     1 & 2     1 & 2     1 & 2     1 & 2

   2MB       1 & 2     2 & 3     2 & 3     2 & 3     2 & 3

   4MB       1 & 2     2 & 3     2 & 3     2 & 3     2 & 3

   4MB       2 & 3     1 & 2     1 & 2     1 & 2     1 & 2

   4MB       2 & 3     2 & 3     2 & 3     2 & 3     2 & 3

   8MB       2 & 3     1 & 2     1 & 2     1 & 2     1 & 2

   8MB       2 & 3     2 & 3     2 & 3     2 & 3     2 & 3

   16MB      2 & 3     2 & 3     2 & 3     2 & 3     2 & 3

  Notes:Pins designated should be in the closed position.