Hi Chris, I have a lot of the parts you might need. Please feel free to contact me off list
Thanks, Paul On Tue, Oct 29, 2019 at 11:28 AM Chris Zach via cctalk < cctalk@classiccmp.org> wrote: > Hi all! > > Re-subscribing to this list after a 20+ year "vacation" while raising > kids. I was pretty active in the Dec pdp10, pdp11, and pdp8 communities > back in the 80's and managed to acquire a lot of "stuff". Now that I > have some time and space again I'm looking back into the pile of "high > mass hobbies" and wondering what still works. > > In terms of communities I see the pdp8-lovers list is still going but I > can't seem to find the pdp11 email list anymore. If anyone can add me > I'd appreciate. > > On to the technical issues: I currently am trying to bring back online a > PDT11/150 and my main Q-Bus pdp11/73. The 11/150 is trying to boot but > it looks like my old disk with RT11 5.1 and the PD: boot driver is no > longer working. Does anyone have a copy of RT11 5.1 source disks they > can loan me (I can't find my set). > > The 11/73 is a bit more interesting: It's an 11/73 quad height CPU, 4mb > of ram on a single DEC Q bus card, and for storage has an MTI ESDI > controller hooked up to a Fujitsu ESDI drive. After some workings I was > able to get the controller back online (hint: The password to get into > the controller to make changes is MTI) and while I can boot RT11 off one > of the two partitions my RSX11M 4.0 generated instance is flunking with > a boot error. Probably some disk rot. > > I also have a RLV12 controller in it and a pair of RL02's sitting in a > closet here that I can drag upstairs with RSX111M 4.1 on them. Better > than nothing and might allow me to boot up and possibly run a disk > repair/regenerate the boot code on the EDSI disk. But that's not the > real problem. > > The real problem is I'm trying to put an RQDX3 in there instead of the > ESDI controller so I can boot off RX50's. And I have no idea which way > all the various ribbon cables are supposed to go. Will any 50 pin cable > work between the RQDX3 and the BA23 distribution bulkhead? Anything > special about the 34ish pin cable that goes between the bulkhead and the > RX50? So far when I try to boot all devices DU0-3 give me not yet ready. > > Ultimately I would like to format one of my MFM Maxtor drives as a RD54, > then install MicroRSX and MicroRSTS from floppy. For the big ESDI drive > I'd be happy getting that upgraded to RSX11M+ if I can find install > media and running it as a serious system. > > I also have TK70's, and a couple of other oddball things here including > all the parts for BLT.AI.MIT.EDU (Sometimes called LSD), a RM80, an RX02 > with a RXV11 controller, and a bunch of other weird stuff. > > Anyway, will be interesting to see if I can get these going. If I can > get the 73 running the next step would be to get the 11/24 up and going, > then start working on the 2020... > > CZ > > On 10/29/2019 11:27 AM, Jon Elson via cctalk wrote: > > On 10/29/2019 09:45 AM, jos via cctalk wrote: > >> > >> > >> an IBM 4331 for 1000 Euro b.i.n. seems OK to me, if I was in that sort > >> of thing ! > >> > >> See https://www.ebay.de/itm/IBM-grosrechner/184010116585 and his > >> other offerings... > >> > > WOW, this is some amazing stuff he has! > > > > Jon >