
UNIDENTIFIED

80386 P9

Processor              AM386SX/80386SX
Processor Speed        16/20/25/33MHz
Chip Set               VLSI
Video Chip Set         None
Maximum Onboard Memory 16MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI
Dimensions             254mm x 218mm
I/O Options            None
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            JP1      Turbo LED                   JP7

  Reset switch                JP5      Speaker                     JP8

  Turbo switch                JP6      Power LED & keylock         JP9

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Monitor type select color             JP2          Unidentified

      Monitor type select monochrome        JP2          Unidentified

     Factory configured - do not           JP3          Unidentified
      alter

     Factory configured - do not           JP4          Unidentified
      alter

      NPU synchronous with CPU              JP11       Pins 2 & 3 closed

      NPU asynchronous with CPU             JP11       Pins 1 & 2 closed

                            DRAM CONFIGURATION

   Size     Bank 0       P 0      Bank 1       P 1      Bank 2    Bank 3

   512KB      (4)        (2)       None       None       None      None
   (A)       44256      41256

   512KB     None       None       None       None        (2)      None
   (B)                                                  256K x
                                                          9

   512KB      (4)        (2)       None       None       None      None
   (C)       44256      41256

  1MB (A)     (4)        (2)        (4)        (2)       None      None
             44256      41256      44256      41256

  1MB (B)    None       None       None       None        (2)       (2)
                                                        256K x     256K x
                                                          9          9

  1MB (C)     (4)        (2)        (4)        (2)       None      None
             44256      41256      44256      41256

  1.5MB       (4)        (2)        (4)        (2)        (2)      None
             44256      41256      44256      41256     256K x
                                                          9

  2MB (A)    None       None       None       None      (2) 1M     None
                                                         x 9

  2MB (B)     (4)        (2)        (4)        (2)        (2)       (2)
             44256      41256      44256      41256     256K x     256K x
                                                          9          9

   3MB        (4)        (2)        (4)        (2)      (2) 1M     None
             44256      41256      44256      41256      x 9

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

   5MB        (4)        (2)        (4)        (2)      (2) 1M     (2) 1M
             44256      41256      44256      41256      x 9        x 9

   8MB       None       None       None       None      (2) 4M     None
                                                         x 9

   16MB      None       None       None       None      (2) 4M     (2) 4M
                                                         x 9        x 9

                  DRAM JUMPER CONFIGURATION

        Size                 JP12                 JP13

      512KB (A)        Pins 1 & 2 closed   Pins 1 & 2 closed

      512KB (B)        Pins 1 & 2 closed   Pins 1 & 2 closed

      512KB (C)        Pins 2 & 3 closed   Pins 2 & 3 closed

       1MB (A)         Pins 1 & 2 closed   Pins 1 & 2 closed

       1MB (B)         Pins 1 & 2 closed   Pins 1 & 2 closed

       1MB (C)         Pins 2 & 3 closed   Pins 2 & 3 closed

        1.5MB          Pins 2 & 3 closed   Pins 2 & 3 closed

       2MB (A)         Pins 1 & 2 closed   Pins 1 & 2 closed

       2MB (B)         Pins 2 & 3 closed   Pins 2 & 3 closed

         3MB           Pins 2 & 3 closed   Pins 2 & 3 closed

         4MB           Pins 1 & 2 closed   Pins 1 & 2 closed

         5MB           Pins 2 & 3 closed   Pins 2 & 3 closed

         8MB           Pins 1 & 2 closed   Pins 1 & 2 closed

        16MB           Pins 1 & 2 closed   Pins 1 & 2 closed

