FUTURE DOMAIN CORPORATION
TMC-875, TMC-885
|
Data bus: 8-bit, ISA (extension card-edge may be present, but is not active)
Size: Full-length, full-height card
Hard drives supported: Up to seven SCSI devices
Floppy drives supported: Four 360KB, 720KB, 1.2MB, or 1.44MB drives
Sector interleave: 1:1
CONNECTIONS | |
Function |
Location |
25-pin SCSI connector-external |
J1 |
50-pin SCSI connector-internal |
J2 |
34-pin control cable connector-floppy drives 1 and 2 |
J3 |
34-pin data cable connector-floppy drives 3 and 4 |
J4 |
4-pin connector-drive active LED |
J5 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
Floppy drive port address 3F2-3F7h, IRQ6 |
F1 |
open | |
Floppy drive port address 372-377h, IRQ5* |
F1 |
closed | |
Hard Drive port address emulation enabled |
F2 |
open | |
Hard drive port address emulation disabled (This is used if another hard drive controller is present) |
F2 |
closed | |
Zero Wait State disabled |
W5 |
open | |
Zero Wait State enabled |
W5 |
closed | |
Note:* If this setting is used the Hard Drive IRQ must be changed |
BIOS ADDRESS | |||
Address |
W1 |
W2 | |
CA00h |
open |
open | |
C800h |
open |
closed | |
CE00h |
closed |
open | |
DE00h |
closed |
closed |
HARD DRIVE IRQ | |||||||||
IRQ |
W4/1 |
W4/2 |
W4/3 |
W4/4 |
W4/5 |
W4/6 |
W4/7 |
W4/8 | |
IRQ3 |
closed |
open |
open |
open |
open |
open |
open |
open | |
IRQ4 |
open |
closed |
open |
open |
open |
open |
open |
open | |
IRQ5 |
open |
open |
closed |
open |
open |
open |
open |
open | |
IRQ10 |
open |
open |
open |
closed |
open |
open |
open |
open | |
IRQ11 |
open |
open |
open |
open |
closed |
open |
open |
open | |
IRQ12 |
open |
open |
open |
open |
open |
closed |
open |
open | |
IRQ14 |
open |
open |
open |
open |
open |
open |
closed |
open | |
IRQ15 |
open |
open |
open |
open |
open |
open |
open |
closed |