Tape reading question
Al Kossow
aek at bitsavers.org
Mon Mar 11 12:32:15 CDT 2019
If you open it up, it should have a DEI tape drive in it, which predates QIC
The data coming off the tape is NRZ instead of GCR
I just double-checked and the drive pinouts match the DEI CMTD-3400 manual
I know, it isn't obvious at all from the maint manual..
This is a problem for a bunch of systems built in the early 80's (Zilog, Onyx, etc)
I have a stack of tapes in the queue (incl an 816 tubodos tape) for me to get fixed-head 4 track reading working
On 3/11/19 10:19 AM, Patrick Finnegan wrote:
> Really? They're DC300 cartridges.
>
> On Mon, Mar 11, 2019 at 1:16 PM Al Kossow via cctalk <cctalk at classiccmp.org <mailto:cctalk at classiccmp.org>> wrote:
>
>
>
> On 3/10/19 7:48 PM, Patrick Finnegan via cctalk wrote:
>
> > One has the TurboDOS backup/install media for a Televideo TS-816 that I got
> > from Don Maslin back in the day. I think the other one is related too, but
> > it was unmarked.
> >
>
> TS-816 tapes aren't QIC
>
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