Future Domain TMC-850M, 850MER, 850MEX SCSI Host Adapters
Note: The TMC-850MER is a TMC850M without a BIOS, while the TMC-850MEX is a TMC-850M with neither BIOS nor Socket.
Default settings are in Bold or are selected by a 
(W1,W2,W3): Memory Address
| W1 |
W2 |
W3 |
Address |
| On |
Off |
1/2 |
3/4 |
C800-C9FF |
| Off |
Off |
1/2 |
3/4 |
CA00-CBFF |
| Off |
On |
1/2 |
3/4 |
CE00-CFFF |
| On |
On |
1/2 |
3/4 |
DE00-DFFF |
| Off |
Off |
1/3 |
2/4 |
E800-E9FF |
| Off |
On |
1/3 |
2/4 |
EC00-EDFF |
(Default is CA00.)
(W5): Zero Wait State
(W6/W7): Interrupt
| W6 |
W7 |
IRQ Level |
| Off |
On |
IRQ#5 |
| On |
Off |
IRQ#3 |
(Default is IRQ#5.)
The TMC-850M Series Host Adapters require a software Low Level Formatter program. Future Domain shipped it's "Disk Maestro" SCSI Utilities with these Host Adapters. The TMC-850 "M" series features an external 25-pin SCSI connector with an Apple compatible pinout.
| TMC-850M | TMC-850MER | TMC-850MEX |
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