Subject: Re: Looking for CMD CQD-220A/TM QBUS SCSI info
To: John Wilson <>
From: Johnny Billquist <>
List: port-vax
Date: 12/22/2006 01:50:33
It's the same deal for both the CQD and CDU.


John Wilson skrev:
> From: Dave McGuire <>
>>   I think (but am not 100% positive) that the only difference is in  
>> the firmware on the EPROM, which can be copied with relative ease.
> I don't know about the CQDs, but I have a less-hazy-than-usual (but still
> possibly false) memory that on the CDU-720 (Unibus equiv) there was an
> address decoding PAL that needed to be changed over too.  Too bad because
> my firmware did seem to be in the mood for tapes.  I think I did ask and
> CMD wasn't interested in selling upgrade PALs.  Maybe the CQDs are more
> flexible though...
> John Wilson
> D Bit