HwMuseum | Index

FUTURE DOMAIN CORPORATION

TMC-850M, TMC-850MER, TMC-850MEX, TMC-850RL

Data bus:

8-bit, ISA

Size:

Half-length, full-height card

Hard drives supported:

Up to seven SCSI devices

Floppy drives supported:

None

CONNECTIONS

Function

Location

25-pin SCSI connector-external

J1

50-pin SCSI connector-internal

J2

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Termination power enabled

W4

closed

 

Termination power disabled

W4

open

»

Zero wait state disabled

W5

open

 

Zero wait state enabled

W5

closed

»

Interrupt Request is IRQ5

W7

closed (pins 2 & 3)

 

Interrupt Request is IRQ3

W6

closed (pins 1 & 2)

BIOS ADDRESS SELECTION

Address

W1

W2

W3

»

CA00h

open

open

pins 1 & 2, 3 & 4 closed

»

C800h

closed

open

pins 1 & 2, 3 & 4 closed

»

CE00h

open

closed

pins 1 & 2, 3 & 4 closed

»

DE00h

closed

closed

pins 1 & 2, 3 & 4 closed

»

E800h

open

open

pins 1 & 3, 2 & 4 closed

»

EC00h

open

closed

pins 1 & 3, 2 & 4 closed

MISCELLENAUS TECHNICAL NOTES

In some version there is an extra terminating resistor and jumper W4 does not exist.