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

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.