
SINGA

286G

Processor         80286
Processor Speed   12MHz
Chip Set          GC
Max. Onboard DRAM 8MB
Cache             None
BIOS              Quadtel
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Reset switch               JP4

  Speaker                      J2       Turbo LED                 JP12

  Power LED & keylock          J8       Turbo switch              JP14

                        USER CONFIGURABLE SETTINGS

              Function                   Jumper/Switch        Position

     Factory configured - do not             JP1               N/A
      alter

     I/O wait state select one               JP5               Open

      I/O wait states select zero             JP5              Closed

     NPU clock select synchronous            JP9            pins 1 & 2
      with CPU                                                 closed

      NPU clock select synchronous            JP9            pins 2 & 3
      with OSC1                                                closed

     Monitor type select color              JP13              Closed

      Monitor type select                    JP13               Open
      monochrome

     Parity check enabled                   JP19            pins 1 & 2
                                                               closed

      Parity check disabled                  JP19            pins 2 & 3
                                                               closed

     Communications port select             JP20              Closed
      COM1/COM2

      Communications port select             JP20               Open
      COM3/COM4

     Enable IRQ5 for parallel port          SW1/1               On

      Enable IRQ7 for parallel port          SW1/2               On

     Enable IRQ3 for serial port 2          SW1/3               On

     Enable IRQ4 for serial port 1          SW1/4               On

     Port select LPT1                       SW1/5               On

      Port select LPT2                       SW1/5              Off

     Printer port 1 enabled                 SW1/6               On

      Printer port 1 disabled                SW1/6              Off

     Serial port S1 enabled                 SW1/7               On

      Serial port S1 disabled                SW1/7              Off

     Serial port S2 enabled                 SW1/8               On

      Serial port S2 disabled                SW1/8              Off

     Factory configured - do not            SW2/1              N/A
      alter

     Memory between 640 and 1024KB          SW2/2               On
      available

      Memory between 640 and 1024KB          SW2/2              Off
      not available

     SIMM type at Bank 0select              SW2/3               On
      256K x 9

      SIMM type at Bank 0select 1M           SW2/3              Off
      x 9

     I/O speed select slow                  SW2/6               On

      I/O speed select fast                  SW2/6              Off

  Note:The location of I/O ports is unidentified.

                            DRAM CONFIGURATION

     Size          Bank 0          Bank 1         Bank 2        Bank 3

    512KB        (18) 41256         NONE           NONE          NONE

    512KB           NONE            NONE        (2) 256K x       NONE
                                                    9

     1MB         (18) 41256      (18) 41256        NONE          NONE

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

    1.5MB        (18) 41256      (18) 41256     (2) 256K x       NONE
                                                    9

    1.5MB        (18) 41256         NONE        (2) 256K x     (2) 256K x
                                                    9              9

     2MB        (18) 411000         NONE           NONE          NONE

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

     3MB        (18) 411000         NONE        (2) 256K x     (2) 256K x
                                                    9              9

     4MB        (18) 411000     (18) 411000     (2) 1M x 9       NONE

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

     5MB        (18) 411000     (18) 411000     (2) 256K x     (2) 256K x
                                                    9              9

     5MB         (18) 41256      (18) 41256     (2) 1M x 9    (2) 1M x 9

     6MB        (18) 411000     (18) 411000     (2) 1M x 9       NONE

     8MB        (18) 411000     (18) 411000     (2) 1M x 9    (2) 1M x 9

                            DRAM CONFIGURATION

    Size          JP15            JP16           JP17           JP18

    512KB       pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

    512KB       pins 2 & 3     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

     1MB        pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

     1MB        pins 2 & 3     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

    1.5MB       pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

    1.5MB       pins 2 & 3     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

     2MB        pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

     2MB        pins 2 & 3     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

     3MB        pins 2 & 3     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

     4MB        pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

     4MB        pins 2 & 3     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

     5MB        pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

     5MB        pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

     6MB        pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

     8MB        pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 2 & 3
                 closed          closed         closed         closed

                      BIOS CONFIGURATION

        Size                 JP3                  JP21

        27128          pins 1 & 2 closed   pins 1 & 2 closed

        27256          pins 2 & 3 closed   pins 2 & 3 closed

        27512          pins 2 & 3 closed   pins 2 & 3 closed

