test-drb October 2013

test-drb@ccmp.vtda.org

178 participants
205 discussions

by rescue＠hawkmountain.net

As folks may have read about my recent VT103 rescue.... Well, regarding the disks I want to end up imaging.... the 4 disk set of RT is on Wabash diskettes ! (All the other 8" diskettes are almost all Digital brand, but those 4 are Wabash). The oxide looks ok, but a scuff near the hub area with my fingernail was able to remove a tiny amount of material... I think when I get to imaging those 4 I'm only going to have a shot or two each. Any suggestion (besides toss the 4 diskettes right after imaging them) ? Also, anyone know if the 8" drives in the RX02 itself use a standard interface at all that could be connected to something like a Kryoflux ? -- Curt

11 years, 2 months

A new Mark8 is born...

by cube1＠charter.net

FYI, a new Mark 8 now exists - mine. I built it using wire wrap on 0.10 inch perf-board, with point to point wiring for power. I used 0.10 Molex sockets with standard header pins for a motherboard (they are not as long and sturdy as one might like, but, oh well). Works fine. In the process, I captured the schematics with KiCAD, and then routed some PCB boards. Some of the PCB boards have been manufactured, and are awaiting construction. The others have been ordered. Also, in the process, I am testing a concept of replacing the Signetics 8263 and 8267 chips with programmed GALs (I had enough real ones to build my prototype and build out my PCBs). You might be able to see them in my Facebook album, I think, though my Facebook page is generally not publicly viewable. Try these links: Mark 8 (my wire wrap "prototype"): https://www.facebook.com/media/set/?set=a.562945557100074.1073741829.100001… PCBs: https://www.facebook.com/media/set/?set=a.562952890432674.1073741830.100001… BTW, is there any interest out there in: 1) Sets of PCBS? (They would be around $500 per set, I guess - I would not WANT to make and sell them in any quantity!). 2) GALs on little boards to substitute for the 8263/8267? JRJ

11 years, 2 months

VMS Administration as a modern career (was Re: free VAX 4000 VLC)

by jgessling＠yahoo.com

Jeez you guys.? I was just stating my own personal experience.? Not wanting to startup a whole folderall about how VMS has been treated by the various parties involved.? If I wanted that I could just go and look at comp.os.vms, where you can review the whole history of DEC/Compaq/HP and VMS.? Let's not replay it all again.? Please.

11 years, 2 months

FREE: computer data cassettes. Also Macintosh floppy disks&In-Reply-To=<C7EA10A7-20A9-42F2-9588-F8488A81E9E0@yahoo.com>

by deacon_frost_tx＠yahoo.com

I'm sure they are long gone, but if the Macintosh floppy disks are still available, I am very interested. ? Thanks! Gary

11 years, 2 months

Wanted: 8" double density floppy drive

by rescue＠hawkmountain.net

Anyone have an extra one of these ? Best would be one with simple power requirements (like the later half height versions), but I'm just looking for something I'll be able to hook up to a Kryoflux or some FDC that can handle FM and MFM for imaging 8" diskettes for archival. I'm in the states (Sharon, MA). If it is a late half height unit, I suppose international shipping would be work if I can't locate something stateside. If you have one of these, let me know what you want for it. -- Curt

11 years, 2 months

free VAX 4000 VLC

by BHuntsman＠mail2.cu-portland.edu

Hi there! I picked up a VAX 4000 VLC a while back that was listed "as-is". Unfortunately, while it does power up, I could never get a console to come up on it, and I don't have multimeter/scope skills. It suffered a bit of damage on the way to me, and there's a bit of broken plastic, and the keyboard connector on the video board is broken. Otherwise, it's in decent shape. Rather than toss it though, I figured I'd offer it up here in case anyone had the time, patience, and interest to try to fix it. Free for the taking... I only ask for shipping cost. Thanks! -Ben

11 years, 2 months

Cardinal Technologies ASCII KB675

by go4retro＠go4retro.com

I have an individual with a Cardinal KB675 ASCII KB on an industrial tool that has went bad. He's inquiring whether one of the projects I have (a PS/2 to ASCII converter) will work, and I can't imagine it would not, but I hesitate to say so or promise anything without any knowledge of this KB. Anyone have any information on it, or can speak to its interface? I saw this as well: http://www.galco.com/repair/Cardinal-Technologies/KB675 and will forward it onto them... > > Message > Dear Sirs. I have an > industrial machine with a damaged Cardinal parallel > keyboard. Could I solve the problem with your PS/2 encoder > and use a standard PC keyboard? Thanks for your atention. >

11 years, 2 months

DEC LA400s available NOW, UK

by binarydinosaurs＠gmail.com

Folks, We're clearing out our old printer stock and have 3 fully working LA400s ready to go. Collection preferred from near Cambridge but we'll ship if you pay for it, I guess only UK though. Cheers -- adrian/witchy Owner of Binary Dinosaurs, the UK's biggest home computer collection? www.binarydinosaurs.co.uk

11 years, 2 months

Teleray 10E

by rescue＠hawkmountain.net

I mentioned in one of my posts about a Teleray terminal I have. I've pulled it out of storage, and it is not a TE-10 as I misremembered, but a Model 10E. No docs on this unit on bitsavers. Anyone have anything on this terminal. I know it worked in the 90s the last time I powered it on. It is in great shape. Nice little terminal (nice 70s "sci fi" kind of look). -- Curt

11 years, 2 months

One S-100 80286 CPU board left!

by LYNCHAJ＠YAHOO.COM

Hi! There is one (1) S-100 80286 CPU board left in case anyone would like it.? Please let me know! John has S-100 80286 CPU board build and test instructions at S100Computers.com http://www.s100computers.com/My%20System%20Pages/80286%20Board/80286%20CPU%2 0Board.htm Thanks and have a nice day! Andrew Lynch

11 years, 2 months

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test-drb October 2013