Re: options for replacing failed small ROMs in PDP-11

On Fri, 24 Jun 2016, Fritz Mueller wrote: In bringing up and debugging my PDP 11/45, I found that one of my GRA (M8101) spares has a failed ALU subsidiary ROM. It's a pretty standard little 32x8 ROM in a 16-pin DIP, and the truth table is in the 11/45 print set. Some years ago I had to replac

Re: ACARD ARS-2000SUP versus SCSI2SD - round 1

On Fri, Jun 24, 2016 at 8:52 PM, Swift Griggs wrote: > > Once I'm done I'll hook both of these up to a FreeBSD box, dd off full > backups, then start over again and try with ZFS under FreeBSD via a PCI > SCSI controller. Then again under IRIX if I still have the energy. > I'd love to see results

Re: ACARD ARS-2000SUP versus SCSI2SD - round 1

On 25/06/2016 12:15, Ben Sinclair wrote: On Fri, Jun 24, 2016 at 8:52 PM, Swift Griggs wrote: Once I'm done I'll hook both of these up to a FreeBSD box, dd off full backups, then start over again and try with ZFS under FreeBSD via a PCI SCSI controller. Then again under IRIX if I still have th

Re: CDC 6600 - Why so awesome?

On 23/06/2016 10:54 PM, Toby Thain wrote: On 2016-06-23 3:20 AM, Lionel Johnson wrote: ... I joined CDC in Melbourne, Aust in 1972, worked mostly on 3200 machines - Didn't like the Cybers, but admired the horsepower. I could fix a 3200, every time, that was the best training I ever had, alone wi

Re: options for replacing failed small ROMs in PDP-11

> From: Glen Slick > the part is listed as DM8598-AD, where a DM8598 is a 256-bit (32x8) > tri-state bipolar mask ROM. > Some substitute T.S. PROMs include the Signetics 82S123 On my M8101, it's an 82S123, which is a tri-state programmable PROM (the 82S23 is the open-collector ver

Re: Wanted: Ann Arbor Ambassador terminal

> From: Richard Loken > I have an Ann Arbor Ambassador here with the original owner's manual. If anyone else has _another_ AAA, I'd like one too! (I'm assuming Ian's going to be getting this one! :-) They were wonderful terminals, in their day - the largest screen of any terminal easily

VR241 Stray Wire

I took apart my VR241 recently to see if I could find the reason why the screen doesn't go completely black. I took lots of pictures while doing so, to make sure I could put it back together again correctly. However, now that I am putting it back together, there is one wire which looks like it wasn

RE: VR241 Stray Wire

> You can see the wire in question at the bottom of the picture below, it is > the green wire with a single-pin connector on it, and the size link > connector is the two-pronged connector just below it in the photo: > > https://1drv.ms/i/s!AlQc3lJwQx7bgbAJQx-HsvGY8Gcqsg > > Anyone know where this

Re: Current source for RX50 media?

On Sat, 25 Jun 2016, Warner Losh wrote: I was looking at the wrong row in my tables. The RX-50 uses the 300K transfer rate, while the 1.2MB IBM-AT floppy uses 500k. The rotation rate is different, but I'm having trouble locating that. Sorry for the possibly bad info. I added support for RX-50 to

RE: VR241 Stray Wire

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of tony duell > Sent: 25 June 2016 16:49 > To: r...@jarratt.me.uk; General Discussion: On-Topic and Off-Topic Posts > > Subject: RE: VR241 Stray Wire > > > You can see the wire in question at the bottom

RE: VR241 Stray Wire

> Yes I have your schematic and I had looked to see if I could see the wire > but I had failed to spot it. Thanks for pointing it out. My worry was simply > that I had not noted where it connected, but it seems it wasn't connected in > the first place. To prevent it shorting, stick it onto the pin

Re: Current source for RX50 media?

On 06/24/2016 09:13 PM, Fred Cisin wrote: > There are a couple of potential complications to using a 1.2M drive, > that can be gotten around in software. (96tpi track spacing, same > write current, rotational speed and data transfer rate as for 360K) IBM-style PCs with 1.2M drives use a 300Kbit/

Re: ACARD ARS-2000SUP versus SCSI2SD - round 1

On Sat, 25 Jun 2016, pete wrote: > > I'd love to see results under IRIX, as I was thinking of trying one or both > > of those myself! > Seconded, though it looks like it'll be considerably slower than a real SCSI2 > hard drive. I'm not sure about that. I've got another ACARD unit (the faster SCA

S/360 Model 30 (?) FS in NC

http://www.vcfed.org/forum/showthread.php?53014-IBM-360-with-additional-era-equipment --Chuck - "The first thing we do, let's kill all the spammers."

S/360 Model 30 (?) FS in NC

Oooh, if I didn't have an _extremely_ strict rule about 'only PDP-11's' (to prevent my house filling to the gills, and my wife divorcing me :-), I'd be all over that. Someone definitely needs to grab this up! Noel

Re: S/360 Model 30 (?) FS in NC

Maybe a 2841 disk controller, but the 360/30 panel has been pulled. Hard to say what is really there. LCM may be interested in parts for their 360/30, and Will Donzelli has been looking for a 2841 On 6/25/16 10:06 AM, Chuck Guzis wrote: > http://www.vcfed.org/forum/showthread.php?53014-IBM-360-

Re: options for replacing failed small ROMs in PDP-11

Here is an ebay link to a pretty good (IMHO) guide to the data I/O programmers. http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5574933636&toolid=10001&campid=5336728181&customid=&mpre=http%3A%2F%2Fwww%2Eebay%2Ecom%2Fgds%2FData-I-O-Device-Programmers-A-Condensed-Reference-%2F1

Re: S/360 Model 30 (?) FS in NC

I still have the aluminum bar that says 360 30 that was on the top of the system here in phx. I bought early on in my computer business life segment. Aside from being part of a memento for me and sort of interesting sitting in a glass case... it may need to find its way ba

Re: S/360 Model 30 (?) FS in NC

This reminds me: I wonder if anybody picked up that System/32 that was up for sale at a recycler near me several months ago? I hope it didn't take another spin around the aluminum cycle. -- Mark J. Blair, NF6X http://www.nf6x.net/

Re: Y Combinator is restoring one of Alan Kay's Xerox Alto machines

New video from yesterday’s work. https://youtu.be/MDKxOmVDapQ Ken will probably post a much more detailed article later. Marc From: cctalk on behalf of "a...@bitsavers.org" Reply-To: "cctalk@classiccmp.org" Date: Monday, June 20, 2016 at 8:51 AM To: "cctalk@classiccmp.org" Subject: Re:

Pictures from the GA warehouse, take 2...

Ok gang - here's the 100+ pics from the warehouse: https://www.flickr.com/gp/16985@N04/b76872 I included pics with model numbers where I could find them >From what I could see: ** NO PDP or SGI anything (not even a coffee mug) ** Commodore 64 with peripherals, pretty much new in box Sun E3

RE: Pictures from the GA warehouse, take 2...

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Todd > Killingsworth > Sent: 25 June 2016 22:33 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Pictures from the GA warehouse, take 2... > > Ok gang - here's the 100+ pics from t

Re: Pictures from the GA warehouse, take 2...

On Sat, Jun 25, 2016 at 2:32 PM, Todd Killingsworth wrote: > Ok gang - here's the 100+ pics from the warehouse: > > https://www.flickr.com/gp/16985@N04/b76872 > For DEC gear some of what I see are at least one or multiple of: AlphaServer 800 AlphaServer 1000A DECstation 3100 DECstation 5000/

Re: S/360 Model 30 (?) FS in NC

What?! Where did you see this? On Jun 26, 2016 5:32 AM, "Noel Chiappa" wrote: > Oooh, if I didn't have an _extremely_ strict rule about 'only PDP-11's' (to > prevent my house filling to the gills, and my wife divorcing me :-), I'd be > all over that. Someone definitely needs to grab this up! > >

Re: Pictures from the GA warehouse, take 2...

I think i saw a VR241 in there. On Sat, Jun 25, 2016 at 4:57 PM, Glen Slick wrote: > On Sat, Jun 25, 2016 at 2:32 PM, Todd Killingsworth > wrote: > > Ok gang - here's the 100+ pics from the warehouse: > > > > https://www.flickr.com/gp/16985@N04/b76872 > > > > For DEC gear some of what I see

Re: Pictures from the GA warehouse, take 2...

On Sun, Jun 26, 2016 at 9:32 AM, Todd Killingsworth wrote: > Ok gang - here's the 100+ pics from the warehouse: > > https://www.flickr.com/gp/16985@N04/b76872 > > I included pics with model numbers where I could find them > > From what I could see: > > ** NO PDP or SGI anything (not even a cof

Re: S/360 Model 30 (?) FS in NC

Fall in line, Mike, fall in line... -- Will On Jun 25, 2016 6:00 PM, "Mike Ross" wrote: > What?! Where did you see this? > On Jun 26, 2016 5:32 AM, "Noel Chiappa" wrote: > > > Oooh, if I didn't have an _extremely_ strict rule about 'only PDP-11's' > (to > > prevent my house filling to the gills

Re: Pictures from the GA warehouse, take 2...

This is a chuckle: https://www.flickr.com/photos/16985@N04/27810356761/in/album-72157670110346756/ A tub full of blue capacitors but also known as "caps", the tub is labelled "VAULT MONEY", a reference to the game Fallout and the monetised Bottle Caps?

Re: Pictures from the GA warehouse, take 2...

On Sun, Jun 26, 2016 at 7:32 AM, Todd Killingsworth wrote: > Terminals: DEC, IBM, Qume, AT&T, others A shout-out to the "others" category as there appears to be a mountain of Unisys T0300 terminals there, quite a nice alternative to the mainstream with several built-in emulations: http://www.eb

RE: Pictures from the GA warehouse, take 2...

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul > Anderson > Sent: 25 June 2016 23:08 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: Pictures from the GA warehouse, take 2... > > I think i saw a VR241 in there. > I

Re: Pictures from the GA warehouse, take 2...

HA! I missed that, and I took the picture! Sent from my iPad > On Jun 25, 2016, at 6:51 PM, Rob Jarratt wrote: > > > >> -Original Message- >> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul >> Anderson >> Sent: 25 June 2016 23:08 >> To: General Discussion: On-Top

Re: Pictures from the GA warehouse, take 2...

pic 4938...la210? 7973 vr241 or vt220s? 4991lk201s? 4997...face down, upper left, vr241? On Sat, Jun 25, 2016 at 5:51 PM, Rob Jarratt wrote: > > > > -Original Message- > > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul > > Anderson > > Sent: 25 Ju

Re: Pictures from the GA warehouse, take 2...

On 25/06/2016 22:32, "Todd Killingsworth" wrote: > Ok gang - here's the 100+ pics from the warehouse: > > https://www.flickr.com/gp/16985@N04/b76872 > Wish I was a bit closer to pick up that ProFile drive... -- Adrian/Witchy Binary Dinosaurs creator/curator Www.binarydinosaurs.co.uk - th

Re: Pictures from the GA warehouse, take 2...

Glen Slick wrote: On Sat, Jun 25, 2016 at 2:32 PM, Todd Killingsworth wrote: Ok gang - here's the 100+ pics from the warehouse: https://www.flickr.com/gp/16985@N04/b76872 For DEC gear some of what I see are at least one or multiple of: AlphaServer 800 AlphaServer 1000A DECstation 3100

Re: Y Combinator is restoring one of Alan Kay's Xerox Alto machines

There are only two entries right now: http://www.righto.com/2016/06/y-combinators-xerox-alto-restoring.html http://www.righto.com/2016/06/restoring-y-combinators-xerox-alto-day.html Marc On 24 June 2016 at 10:05, wrote: And here is Ken's new post in the series http://www.righto.com/2016/

Power cable identification

So I know for certain that this topic has come up before, but I cannot for the life of me find the thread(s) it appeared in, so I'm asking again (apologies in advance). What is the name of the rounded, 3-pin power connector often seen on early test equipment (I've seen it on older HP and Fluke

Re: Power cable identification

On Sat, Jun 25, 2016 at 8:09 PM, Josh Dersch wrote: > So I know for certain that this topic has come up before, but I cannot for > the life of me find the thread(s) it appeared in, so I'm asking again > (apologies in advance). > > What is the name of the rounded, 3-pin power connector often seen o

Re: Power cable identification

> What is the name of the rounded, 3-pin power connector often seen on early > test equipment (I've seen it on older HP and Fluke stuff)? I have an S-100 > chassis that inexplicably uses one, despite dating from 1982 or so. I need > to track one of these cables down but I have no idea what it is

Re: Power cable identification

On Sat, Jun 25, 2016 at 8:12 PM, Glen Slick wrote: > On Sat, Jun 25, 2016 at 8:09 PM, Josh Dersch wrote: > > So I know for certain that this topic has come up before, but I cannot > for > > the life of me find the thread(s) it appeared in, so I'm asking again > > (apologies in advance). > > > >

Re: Power cable identification

Oval "HP" cords. Used on my older HP equipment and my Friden SWT 10 calculator. "New" ones show up on occasion on ebay for pretty cheap, this guy claims to have them in stock (all the way at the bottom) http://www.apexjr.com/wire.html#Power Marc > On Jun 25, 2016, at 8:09 PM, Josh Dersch wrot

Re: Power cable identification

> On Jun 25, 2016, at 20:12, William Donzelli wrote: > >> What is the name of the rounded, 3-pin power connector often seen on early >> test equipment (I've seen it on older HP and Fluke stuff)? I have an S-100 >> chassis that inexplicably uses one, despite dating from 1982 or so. I need >> to

Re: Power cable identification

Yes, there where two different type each with different hot and neutral. Luckily, most equipment with these have transformers. With a GFI socket there should be no issue. >From some recent reports, no major wire maker is still making these. It seems there may be a small market for an adapter.

Re: Power cable identification

On Jun 26, 2016 3:12 PM, "Glen Slick" wrote: > > On Sat, Jun 25, 2016 at 8:09 PM, Josh Dersch wrote: > > So I know for certain that this topic has come up before, but I cannot for > > the life of me find the thread(s) it appeared in, so I'm asking again > > (apologies in advance). > > > > What is

Re: Power cable identification

You might try these guys. http://www.sphere.bc.ca/test/hp1.html HP Used Electronic Test Equipment - Sphere www.sphere.bc.ca Great deals in HP Used Electronic Test Equipment and Parts: Welcome To Sphere Research's Canadian Test Equipment & Parts Site! This

Re: Power cable identification

Might also try http://www.alliedelec.com/alpha-wire-543-bk078/70125977/?utm_source=octopart&utm_medium=part_sourcing&utm_campaign=octopart [http://www.alliedelec.com/images/products/Small/70125977.jpg]

wanted: TI Silent 700 Model 763 & 765 Maintenance Manual

Does anyone have that? The manual for Model 743 & 745 is on Bitsavers, but I'm specifically looking for model 763 & 765.

Re: old friend is slimming down the warehouse

On Sat, Jun 25, 2016 at 01:26:12AM +0100, Adrian Graham wrote: > On 25/06/2016 01:15, "Mark J. Blair" wrote: > > > > >> On Jun 24, 2016, at 17:07 , Adrian Graham > >> wrote: > >> Still up for grabs if you bring enough people to Newmarket, UK, formerly of > >> Europe. > > > > Maybe after I fit

Re: old friend is slimming down the warehouse

> On Jun 25, 2016, at 23:35, Pontus Pihlgren wrote: > > > We should arrange for a container to go yearly between the states and EU.. > alternatively when it is full. Let's have it travel by truck and/or rail across the continents at each end, bouncing between the US west coast and easternish