Re: DB11-A Bus Repeater Engineering Drawings

2017-06-25 Thread Paul Anderson via cctalk
Well, at least it was DEC who messed up and not me (this time). Noel, thanks for scanning. Al, thanks for figuring it out. Paul On Sat, Jun 24, 2017 at 11:50 AM, Al Kossow via cctalk < cctalk@classiccmp.org> wrote: > They screwed up when they made the maint prints, it's missing from ours as >

Re: DB11-A Bus Repeater Engineering Drawings

2017-06-25 Thread Noel Chiappa via cctalk
> From: Al Kossow Hey, thanks for all the effort to help... > which has the schematic > they have been there for over three years $@#&($^@(*$&^! That's what I get for trusting Google; I tried searching for '"DB11-A" prints' and '"DB11-A" drawings' and got nothing ... except for a

Re: DB11-A Bus Repeater Engineering Drawings

2017-06-24 Thread Al Kossow via cctalk
On 6/24/17 9:14 AM, Noel Chiappa via cctalk wrote: > So, Paul A lent me a set of these (thanks Paul!) so I could scan them in (they > are not currently available online). sigh.. http://bitsavers.org/pdf/dec/unibus/DB11-A_RevS_Engineering_Drawings_Jan76.pdf which has the schematic they have be

Re: DB11-A Bus Repeater Engineering Drawings

2017-06-24 Thread Al Kossow via cctalk
They screwed up when they made the maint prints, it's missing from ours as well I will see if it showed up in the individual module schematic collections, though that will be much more difficult to go through. I scanned binders full of them, but they aren't sorted. On 6/24/17 9:21 AM, Al Kosso

Re: DB11-A Bus Repeater Engineering Drawings

2017-06-24 Thread Al Kossow via cctalk
On 6/24/17 9:14 AM, Noel Chiappa via cctalk wrote: > Does anyone else have a set of these prints? http://www.computerhistory.org/collections/catalog/102753063 i'll try to get to it today

DB11-A Bus Repeater Engineering Drawings

2017-06-24 Thread Noel Chiappa via cctalk
So, Paul A lent me a set of these (thanks Paul!) so I could scan them in (they are not currently available online). Howwever, there's a problem. The last page in the set contains the circuit diagram for the M7248 BBSY Repeater card (the heart of the whole device, since the DB11-A uses BBSY to deci