Diloq SQ703 to SQ706 conversion

Nigel Johnson nw.johnson at ieee.org
Sun Aug 16 14:19:24 CDT 2020

Chris, if I had that ESDI drive I could at least get a system onto the
machine to explore further!

Where are you? Could you mail it to me in Toronto, Canada?

How much moolah do you need to do this?


Nigel Johnson, MSc., MIEEE, VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
Skype:  TILBURY2591 nw.johnson at ieee.org

On 16/08/2020 15:16, Chris Zach via cctalk wrote:
> Don't know much about the Dilogs (other than there were tape and disk
> versions) but ESDI disks can still be found on Ebay, I have a spare
> 150mb drive if you need it. They are quite quick all things
> considered, and some of the ESDI controllers had pretty good hardware
> acceleration features in addition to block and burst mode DMA.
> C
> (running 327mb ESDI disks on my 11 and am very happy with performance)
> On 8/16/2020 11:24 AM, Nigel Johnson via cctalk wrote:
>> I'm getting back to trying to restore my MicroVax II.  Existing
>> controllers are ESDI and MFM, disks hard to find.
>> So I would like to convert a brand-new DQ703 I have to SQ706 so I can
>> mount SCSI disks.
>> I understand it is just  a prom change.
>> Does anybody have any info, or perhaps a PROM image?
>> cheers,
>> Nigel

More information about the cctech mailing list