I'll look in my stash - for sure no VAXBI SCSI boards :-) I may have some spare DSSI boards, though, as well as a T1010. It's just a matter of finding them....
On Wed, Sep 21, 2016 at 1:03 PM, Ethan Dicks <ethan.di...@gmail.com> wrote: > On Wed, Sep 21, 2016 at 3:48 PM, Josh Dersch <dersc...@gmail.com> wrote: > > Hi all -- > > > > I have a VAX 8250 I'm bringing up and I'd like to track down an Ethernet > > adapter, this would be the T1034 (DEBNT). There are a few on eBay, but > > none include the cabling and bulkhead, which would be nice to have. > > I think I came upon one of those many years ago and never managed to > get the cabling working (the module shows up). I'd love to hear about > any resolution on this. > > > I'm also looking for a T1010 (BI to Unibus adapter), as the one in my > > system is shot (and given the lack of documentation, I doubt I'm going to > > be able to fix it). > > I have a couple of broken T1010 boards - the damage was obvious - > something messed up with the cabling caused some sort of high-current > fault that cracked a specific DEC IC and fried the trace going to the > part. If you have one that "doesn't work", it depends on what's > really going on as to how "fixable" it is. I now have a good set of > cables, a good T1010 module, a good DD11-DK, and three bad M9313 UET > boards. I know they are bad because I can follow what docs _are_ out > there, bang on some BI registers and see that it's failing self-test > in a specific way that means "I can't talk to the UET". If you can > talk to the BI chip on your T1010 board (the state of the yellow LED > is not indicative of that), then you might be able to learn something > about what's failing. If you can't talk to the BIIC, they are > socketed and you could try swapping it with one from another board. > There are a couple of revs of the BIIC. I've never known that it > makes much practical difference, but just be aware there are stamped > revision letters on the chip. > > As mentioned, besides the T1010, you'll need 4x 30-pin cables, and a > paddle card to the front of a DD11, and the DD11 itself - mine is in a > BA11-K next to the cabinet with the 8250 BA32, but I know that there > were also some BA32 with one BI cage and one DD11-DK. I do not know > how those are powered or wired in. You'll also need a working M9313. > That's the specific reason I'm trying to get a Unibus PDP-11 working > right now - to test my M9313 cards and verify any repairs. > > > Also -- any suggestions for mass storage? I have a KDB50 (T1002, T1003 > > set), but SDI drives are getting harder to find. > > I still owe you a list and/or picture from my external SDI<->ESDI box, > but, yeah, SDI drives aren't getting more abundant. > > > I assume VAXBI SCSI > > adapters are even more scarce than their Unibus counterparts.... > > ISTR back in the day, new, a VAXBI SCSI board was $10,000. I have > never seen one in person. > > -ethan > -- Ian S. King, MSIS, MSCS, Ph.D. Candidate The Information School <http://ischool.uw.edu> Dissertation: "Why the Conversation Mattered: Constructing a Sociotechnical Narrative Through a Design Lens Archivist, Voices From the Rwanda Tribunal <http://tribunalvoices.org> Value Sensitive Design Research Lab <http://vsdesign.org> University of Washington There is an old Vulcan saying: "Only Nixon could go to China."
