hi something poiped up on a facebook synth group that may have some information burried in it to ur interest i havent dug into it yet but heres a pdf http://neutrinorecords.com/gear/Electronotes%20Newsletter%20-%20Free%20PDF%20Collection%202017.06.23.zip
and the website of the publiusher a 70 yr old guy that might have more tresures burried to ur interest in his stuff or know of someone out there still alive? http://electronotes.netfirms.com/ On Tue, Jun 13, 2017 at 1:22 PM, Alan Frisbie via cctalk < cctalk@classiccmp.org> wrote: > In the early 1980's, a company in Toronto, Hazelcom Industries, > produced a music synthesizer based on an LSI-11/23 running > RSX-11M v3.2. The music part of it was written by David McLey, > so the product was called the McLeyvier (pun intended). > > Several people in the industry have told me that this was the > best analog music synthesizer ever made. Sadly, it was > introduced just as digital synthesizers were hitting their stride. > > Now, a small group of enthusiasts have banded together to restore > the few remaining McLeyviers (only about eight were sold) to > operating condition. > > If you have any knowledge about the McLeyvier, and are not > already on our mailing list, PLEASE contact me. We are > particularly interested in the following subjects: > > 1. McLeyvier hardware or software documentation. > 2. DTC 520-1 disk controller and its DTC-11 Q-Bus host adapter. > 3. Peritek VRG-Q Q-Bus graphics controller. Especially the > RSX or RT-11 device drivers, or other software. > 4. The location or owners of McLeyviers. > > Our current project is to replace the ST-506 disks with > the David Gesswein MFM disk emulators. To do this, we > need to determine the CRC algorithm used by DTC, which we > cannot find any documentation for. > > Thank you, > Alan Frisbie >