UNIDENTIFIED

C1-XT TURBO MODEL 615

Processor         8088
Processor Speed   4/10MHz
Chip Set          VLSI
Max. Onboard DRAM 1MB
Cache             None
BIOS              Unidentified
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       8087

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Speaker                     JP1       Reset switch               JP3

  Power LED & keylock         JP2

                        USER CONFIGURABLE SETTINGS

                Function                    Switch           Position

  »   Parity disabled                        SW/1               On

      Paity enabled                          SW/1              Off

  »   NPU disabled                           SW/2               On

      NPU enabled                            SW/2              Off

  »   Turbo enabled                          SW1/1              On

      Turbo disabled                         SW1/1             Off

  »   RAM wait state select 1 wait           SW1/2              On
      state

      RAM wait state select 0 wait           SW1/2             Off
      states

  »   ROM wait state select 1 wait           SW1/3              On
      state

      ROM wait state select 0 wait           SW1/3             Off
      states

  »   Memory size select 640KB               SW1/4              On

      Memory size select 1MB                 SW1/4             Off

                            DRAM CONFIGURATION

    Size       Bank 0      Bank 1      Bank 2       Bank 3       Bank 4

   512KB      (8) 4164      NONE      (4) 44256      NONE         NONE

   640KB      (8) 4164    (8) 4164    (4) 44256      NONE         NONE

   768KB      (8) 4164    (8) 4164    (4) 44256    (2) 44256      NONE

    1MB       (8) 4164    (8) 4164    (4) 44256    (2) 44256    (2) 44256

                         DRAM PARITY CONFIGURATION

    Size      Parity 0    Parity 1     Parity 2    Parity 3     Parity 4

   512KB      (1) 4164      NONE       (2) 41256     NONE         NONE

   640KB      (1) 4164    (1) 4164     (2) 41256     NONE         NONE

   768KB      (1) 4164    (1) 4164     (2) 41256   (1) 41256      NONE

    1MB       (1) 4164    (1) 4164     (2) 41256   (1) 41256    (1) 41256

  DRAM SWITCH CONFIGURATION

   Size      SW/3     SW/4

  512KB      Off       On

  640KB       On       Off

  768KB      Off       Off

   1MB       Off       Off

           VIDEO CONFIGURATION

     Size         SW/5          SW/6

  Monochrome       Off          Off

     CGA           On           Off

     EGA           On            On

                FLOPPY DRIVE CONFIGURATION

  Drives installed         SW/7                SW/8

         1                  On                  On

         2                  Off                 On