UNIDENTIFIED

AL-6408

Processor              8088
Processor Speed        4/8/10MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 640KB
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            8087

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Turbo switch                JP2       Speaker                    P4

  Power LED & keylock         JP5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      CPU speed select through keyboard       JP1           Pins 1 & 2
      (CTRL, ALT, -)                                          closed

      CPU speed select through hardware       JP1           Pins 2 & 3
                                                              closed

      Turbo enabled                           JP2             Closed

      Turbo disabled                          JP2              Open

      Keyboard locked                         JP4              Open

      Keyboard unlocked                       JP4             Closed

  »   Factory configured - do not alter      SW1/1             Off

      NPU not installed                      SW1/2              On

      NPU installed                          SW1/2             Off

                       DRAM CONFIGURATION

    Size        Bank 0       Bank 1      Bank 2       Bank 3

    256KB      (9) 4164     (9) 4164    (9) 4164     (9) 4164

    256KB     (9) 41256       None        None         None

    512KB     (9) 41256    (9) 41256      None         None

    640KB     (9) 41256    (9) 41256    (9) 4164     (9) 4164

  DRAM JUMPER CONFIGURATION

     Size            JP3

     256KB          Open

     256KB         Closed

     512KB         Closed

     640KB         Closed

  DRAM SWITCH CONFIGURATION

   Size     SW1/3     SW1/4

  128KB      Off       On

  192KB       On       Off

  256KB      Off       Off

                MONITOR SELECTION

     Setting          SW1/5            SW1/6

      None              On               On

   Monochrome          Off              Off

  Color 40 x 25        Off               On

  Color 80 x 25         On              Off

                  FLOPPY DRIVE SELECTION

  Drives installed         SW1/7               SW1/8

         1                  On                  On

         2                  Off                 On

         3                  On                  Off

         4                  Off                 Off