33C93 SCSI woes

Tony Duell ard at p850ug1.demon.co.uk
Sun Jan 21 14:19:38 CST 2007


> new SCSI cable tried, terminator known working, drive visible from a 
> different machine (Linux PC). The devices pop up at the proper SCSI 
> IDs, but all are misidentified as Type 191 (I suppose this is a decimal 

Two thoughts... SCSI IDs are send by a 1-of-N code on the data lines, so 
the fact that devices show up at the correct IDs means that the host can 
assert data lines.

But 191 is 10111111 (hex BF) IIRC. Now that seems to be a significant bit 
pattern, particularly as bit 6 is the '0' -- your host adapater wouldn't 
happen to be device 6 on the SCIS bus, would it? (it's a common address 
for the host adapter). Do you have any idea what the 'Type' should be?

> representation of the hex SCSI identifier numbers.) Is this likely a 
> dead 33C93A or is there somewhere else to look?

I weould think it's certainly a strong possibility. But maybe not. (No 
help, I know...)

-tony


More information about the cctalk mailing list