ImageDisk - need info on Adaptec 1542CF
dave04a at dunfield.com
Tue Jul 26 05:27:25 CDT 2005
One of the guys trying my ImageDisk program is using an
Adaptec 1542CF controller - he can read disks fine, however
when he tries to write them, it gets an error during every
write sector command.
The status registers reported ar:
According to the NEC 765 datasheets:
41 means "Abnormal Termination of Command"
"Execution of command was started, but not successfully finished"
No other error indicators
04 means: "B3: Not used, this bit always low (0)", No other error indicators
00 means: No error indicators
Looks like the controller in the Adaptec is using B3 as an error indicator,
however I do not have any information on what this means ... Does anyone have
technical information on the Adaptec controller and can tell me what this
dave04a (at) Dave Dunfield
dunfield (dot) Firmware development services & tools: www.dunfield.com
com Collector of vintage computing equipment:
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