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TMC-870, TMC-871

FUTURE DOMAIN CORPORATION

TMC-870, TMC-871

Data bus: 8-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Up to six SCSI devices

Floppy drives supported: Four 320KB or 1.2MB drives

CONNECTIONS

Function

Location

DB25 SCSI connector-external

CN1

50-pin SCSI connector-internal

CN2

34-pin control cable connector-floppy drives 0 and 1

CN3

34-pin control cable connector-floppy drives 2 and 3

CN4

4-pin connector-DC power

CN5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive port address is 3F0-3F7h

JP1

open

 

Floppy drive port address is 370-377h

JP1

closed

Zero Wait State enabled

JP4

closed

 

Zero Wait State disabled

JP4

open

Floppy drive 0 is 360KB

SW1/switch 1*

off

 

Floppy drive 0 is 1.2MB

SW1/switch 1*

on

Floppy drive 1 is 360KB

SW1/switch 2*

off

 

Floppy drive 1 is 1.2MB

SW1/switch 2*

on

Floppy drives 2 and 3 are 360KB

SW1/switch 3*

off

 

Floppy drives 2 and 3 are 1.2MB

SW1/switch 3*

on

Hard drive enabled

SW1/switch 4*

on

 

Hard drive disabled

SW1/switch 4*

off

Note:*Applies to BIOS Rev. 4.1E only; for Rev. 6.0x, SW1/switches 1-7 should be "on."

BIOS ADDRESS

Address

Jumper JP2

Jumper JP3

CA00h

open

open

 

C800h

open

closed

 

CE00h

closed

open

 

DE00h

closed

closed

FLOPPY DRIVE SUPPORT

Select

SW1/switch 5

SW1/switch 6

SW1/switch 7

System BIOS controls floppies

on

on

on

One floppy supported

off

on

on

Two floppies supported

on

off

on

Three floppies supported

off

off

on

Four floppies supported

on

on

off

Note:*Applies to Rev. 4.1E only: for Rev 6.0x, SW1/switches 1-7 should be "on".