TMC RESEARCH CORPORATION

PCI58PV (VER. 2.0)

Processor             80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed       20/25/33/50(internal)/50/66(internal)MHz
Chip Set              SIS
Max. Onboard DRAM     32MB
SRAM Cache            64/128/256KB
BIOS                  AMI
Dimensions            254mm x 2184mm
I/O Options           None
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose              Location      Purpose                  Location

  Speaker            J1/pins 1-4     IDE interface LED      J1/pins 10 &
                                     (output)                    20

  Turbo switch      J1 pins 7 & 17   Power LED & keylock    J1/pins 11 -
                                                                 15

  Turbo LED         J1/pins 8 & 18   IDE interface LED           J2
                                     (input)

  Reset switch      J1/pins 9 & 19   External battery            J6

  Note: Connect the chassis HD LED to J1/pins 10 & 20 then connect the
  hard drive LED jumper on the drive controller to J2.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation            JP10           pins 1 & 2
      (internal battery)                                      closed

      CMOS memory normal operation            JP10             open
      (external battery)

      CMOS memory clear                       JP10           pins 2 & 3
                                                              closed

      CPU speed select < 50MHz                JP11           pins 1 & 2
                                                              closed

      CPU speed select 50MHz                  JP11           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter       JP12             open

  »   Monitor type select color               JP13            closed

      Monitor type select monochrome          JP13             open

  »   Factory configured - do not alter       JP17           pins 1 & 2
                                                              closed

  Note: CPU speed select refers to the external speed of the CPU. (i.e. A
  DX2/66 would be < 50

  because the external speed is 33MHz.)

              DRAM CONFIGURATION

     Size          Bank 0          Bank 1

      1MB        (4) 256K x 9       NONE

      2MB        (4) 256K x 9   (4) 256K x 9

      4MB        (4) 1M x 9         NONE

      8MB        (4) 1M x 9      (4) 1M x 9

     16MB        (4) 4M x 9         NONE

     20MB        (4) 1M x 9      (4) 4M x 9

     32MB        (4) 4M x 9      (4) 4M x 9

                    SRAM CONFIGURATION

     Size          Cache         Location      TAG (U39)

     64KB        (8) 8K x 8    Banks 0 & 1    (1) 8K x 8

     128KB      (4) 32K x 8       Bank 0      (1) 8K x 8

     256KB      (8) 32K x 8    Banks 0 & 1    (1) 32K x 8

  SRAM RESISTOR NETWORK CONFIGURATION

   Size      RN64     RN128     RN256

   64KB     closed     open      open

  128KB      open     closed     open

  256KB      open      open     closed

           CPU JUMPER CONFIGURATION

    CPU         RNA         RNB        RNC

  80486SX      open        open       closed

  80487SX      open        open       closed

  80486DX     closed       open        open

  ODP486SX     open       closed       open

  80486DX2    closed       open        open