JC INFORMATION SYSTEMS CORPORATION

HIGH PERFORMANCE 386 CACHE

Processor                80386DX
Processor Speed          20/25MHz
Chip Set                 OPTI
Max. Onboard DRAM        None (Up to 32MB on 32-bit external memory card)
Cache                    16/32KB
BIOS                     Phoenix
Dimensions               330mm x 218mm
I/O Options              32-bit external memory card slot (2)
NPU Options              80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Speaker                    J1        Turbo LED                  J4

  Reset switch               J2        External battery           J9

  Power LED & keylock        J3        32-bit external          S1 & S2
                                       memory cards

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper          Position

  »   Monitor type select color               JP1            Closed

      Monitor type select monochrome          JP1             Open

  »   NPU disabled                            JP2             Open

      NPU enabled                             JP2       pins 1 & 2, 3 & 4
                                                             closed

  »   Factory configured - do not alter       JP4             Open
      (pipeline mode)

                         CACHE CONFIGURATION

     Size        Bank 0        Bank 1       TAG (U1)      TAG (U2)

     16KB      (8) 4K x 4       NONE       (1) 4K x 4       NONE

     32KB      (8) 4K x 4    (8) 4K x 4    (1) 4K x 4    (1) 4K x 4