Ardent Tool of Capitalism

The go-to place for all PS/2 and Micro Channel addicts. MAD Edition!
Reference
Material		 Software
& Drivers		 IBM
Systems		 Non-IBM
Systems		 MCA
Adapters		 Parts &
Technology		 Setup &
Config

TMC-850IBM

TMC-850M Support Page
DOS Drivers for Future Domain ISA cards
Future Domain's SCSI Device Analyzer

TMC-850

J1 DB25 SCSI
J2 Internal SCSI
RP1,2 Termpak
U1 BIOS
U3 TMC-950		 W1,2 ROM Adr
W4 Termpwr
W5 Wait State
W6,7 IRQ
VR1 LT1086CT

Termpaks are KD101 10 pin SIPPs

Date on BIOS is '92.

TMC-850 may operate with no IRQ, no DMA, just as PIO. There is no ISA slot bracket as the TMC-950 is secured with a bracket from the left upper corner and a post on the upper right.

May be unreliable at bus speeds above 6MHz (unconfirmed)

Jumper Options Function
W4
1
Term Pwr Enabled
0
Disabled
W5
1
Zero WS Enabled
0
Disabled
W6 (1-2)
1
IRQ 3
W7 (2-3)
1
IRQ5
"1" is shorted, "0" is open
Zero Wait State default is Disabled

W1 W2 Memory Range
0
0
CA00-CBFF
1
0
C800-C9FF
0
1
CE00-CFFF
1
1
DE00-DFFF

Content created and/or collected by:
Louis Ohland, Peter Wendt, David Beem, William Walsh, Tatsuo Sunagawa, Jim Shorney, Tim Clarke, Kevin Bowling, Tomáš Slavotínek, and many others.

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 28 May 2023 - Changelog | Legal Info & Contact