test-drb December 2004

test-drb@ccmp.vtda.org

243 participants
530 discussions

Misc stuff (Canon TX50, Zenith, XEN-i) - South Croydon, UK

by julesrichardsonuk＠yahoo.co.uk

Chap has the following going spare for pickup in south Croydon if anyone wants: ________________________________________________________________________ * Canon TX 50 computer. 8088 or 8086 processor. Single 3.5 inch floppy disk drive. No hard disk. 15 cm screen. Designed as a point of sale terminal. Built in tally roll printer. LED on each key which can be switched under program control. Comes with MsDos 1.25 and a set of Bureau de Change software - even the currencies are now nostalgic. * Zenith 'Portable' computer - we called it a 'luggable'. ROM BIOS dated 07/14/1987. 8088 or 8086 processor. 20 M byte hard disk. In working order. Battery dead but mains adaptor OK. No modem or network adaptor. Floppy disk drive missing but Laplink installed and working. * 3 x Apricot XEN-i 386/45 computers - at least one of them would work if the hard disk drive was replaced. * Apricot-specific monitor for the above - with a female connector on its cable. * Communicate C-FAX-SRI Fax-only modem card for IBM PC He's got some other bits we're insterested in having for the museum, but these ones above are surplus to requirements! Shout if interested. cheers Jules

20 years

Build an Enigma machine out of paper

by jcwren＠jcwren.com

I think Enigma machines meet the 10 year rule... <URL: http://mckoss.com/Crypto/Enigma.htm >

20 years

Seeking pre-1996 Macvector and Omiga user manuals ($$$)

by vcf＠siconic.com

A new bounty. I'm looking for user manuals for pre-1996 versions of Macvector and Omiga. Has anyone ever heard of these products? -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

20 years

IBM Executive electric typewriter (Cambridge UK)

by julesrichardsonuk＠yahoo.co.uk

Spotted for free on a local group; forerunner of the golf ball machines apparently, sounds to be around 30-40 years old. Thought I'd mention it here on the offchance anyone wanted to come and grab it before it gets skipped (it's not really the sort of thing Bletchley want, but maybe someone on this list has a thing for such items) Give me a yell if you want me to put you in touch with the chap. cheers Jules -- "We've had a lot of loonies around this place, but you're the first one who thought the sunrise was made out of stale beer. Now are you going to pick up your flute and leave, or shall I part your hair with this crowbar?"

20 years

Retro blinkenlights panel available - UK

by shirker＠mooli.org.uk

Hi cctech'ers, I came across the following item which I have no need for, but it looks absolutely ideal for anyone who's building a recreated old computer or a new design from scratch, to use as status lights. See http://shirker.mooli.org.uk/pics/blinkenlights.jpg I think it's a panel from some experiment or other, way back when. The lampholders are all wired together, and yes, those are filament lamps. All of the lampholders are actually there - the couple which look like they aren't have just been pushed through the panel by something, but are there on the back. There is some type of concrete-like substance on the panel (I've cleaned most of it off the front, but it's still there on the back - cleans off OK with a mild solvent and a brush) which would need to be cleaned off it. Anyone who wants this, please contact me via private mail within 21 days or I'll have to scrap it. Please feel free to offer cash as I could really use it - however, if the best/only offer I get is "I'll pay postage/collect" then that's fine :) If not, then, best offer takes it. I also have a large number of books which came from the same place - I'll list these on here within a few days so stay tuned! Ed.

20 years

Retro blinkenlights panel available - UK

by dwight.elvey＠amd.com

>From: "John Lawson" <jpl15(a)panix.com> > > > >On Wed, 8 Dec 2004, Vintage Computer Festival wrote: > >> On Wed, 8 Dec 2004, Shirker wrote: >> >>> I came across the following item which I have no need for, but it looks >>> absolutely ideal for anyone who's building a recreated old computer or a >>> new design from scratch, to use as status lights. >>> >>> See http://shirker.mooli.org.uk/pics/blinkenlights.jpg >> >> It looks like part of a photographic developer of some sort. I reckon >> young Johnny Lawson could probably fill us in some more. > > > Well, it's a curved metal panel with an assembly of pretty much >bog-standard bayonet base miniature lamps on it.. one would have to go >to a bit of trouble to make a 'status display' out of it - after dealing >with the drivers, and (I am assuming) rewiring it for individual >addressing of each lamp. > > But as to what it's intended function was/is - I've certainly No Clue. > > Cheerz > >John Hi It looks like it might be used as part of a light curing system. You know, place the item on a rotating shaft and have 4 quadrants of these light. I once had a photo copies that had a bank of lamps like this but it was flat. An automatic machine might have a curved bank like this. Dwight

20 years

VAX 11/725

by msokolov＠ivan.Harhan.ORG

Fred N. van Kempen <waltje(a)pdp11.nl> wrote: > I actually wrote a driver that did IP-over-DDMCP on the VAX end, Such a driver has existed in standard BSD since 4.2, except that it's for the DMC-11/DMR-11/DMV-11 (which do all DDCMP processing on board and can't be made to talk any other protocol to my knowledge) rather than for the DMF32 that this thread is presumably about. The DMF32 sync port supports DDCMP too, but it leaves more work to the host and supports HDLC as well. > with a modified IOS running at the other end, on a Cisco 2501. If you needed to connect the DMF32 sync port to a Cisco router, why didn't you implement Cisco HDLC on the VAX side instead? (As I've done in 2000 in 4.3BSD-Quasijarus0b on a DSV11.) I'm sure you know the frame format: <flag> <addr> 00 <Ethertype> packet <FCS-16> <flag> addr is 0F for unicast or 8F for multicast/broadcast*. It's the simplest and IMO the best framing format for IP over a sync line, I've used it on T1s (well, fractional T1 since DSV11 is limited to 256 kbps), and it comes from Cisco. *The only thing that I never understood is what the hell did Cisco mean by multicast or broadcast on a point-to-point link. I guess it dates from the days before people realised that a point-to-point link is not a network (no ARP, etc.) and does not need to burn up a net/subnet number, and people would map a net number (hopefully a /30 subnet) to each point-to-point link. Then .1 and .2 addrs would be assigned to the ends and I guess the 8F addr byte was generated on packets addressed to .3... My driver always puts 0F in the address field of transmitted packets and treats 0F and 8F as equivalent on reception; and I always configure the net interface as unnumbered (for my end use the same address as assigned to one of my real Ethernets, for the other end put in whatever addr the ISP gave me for their router; my driver does not require them to be numerically related as they would be with a /30 subnet). The approach of using a /30 subnet for a point-to-point link now has to be used only when you are forced to use an Ethernet as a point-to-point link without PPPoE, which is stupid but unfortunately used by some DSL providers. > This is why I usually grab all the sync modems I can lay my hands on; USR Courier V.Everything (external of course) supports sync mode on its DB25 port. The problem is with the other end of the call... I'm using such modem for my PPP connection, and while I would love to run sync PPP, I doubt that the ISP's POP will support it. MS

20 years

Any former Philips/Magnavox VideoWriter users/owners/hackers?

by netsurfer_x1＠fastmailbox.net

Hi all! I was just wondering if we happen to have any former Philips/Magnavox VideoWriter users/owners/hackers in the house? David M. Vohs Digital Archaeologist & Computer Historian Computer Collection: "Triumph": Commodore 64, 1802, 1541, Indus GT, FDD-1, GeoRAM 512, MPS-801. "Leela": Original Apple Macintosh, Imagewriter II. "Delorean": TI-99/4A, TI Speech Synthesizer. "Spectrum": Tandy Color Computer III. "Monolith": Apple Macintosh Portable. "Boombox": Sharp PC-7000. "Butterfly": Tandy 200, PDD-2. "Shapeshifter": Epson QX-10, Comrex HDD, Titan graphics/MS-DOS board. "Scout": Otrona Attache. (prospective) "Pioneer": Apple LISA II (prospective) "Mercury": HP-85. (prospective) "Evolver": Commodore Amiga 2000 "TMA-1": Atari Portfolio, Memory Expander +

20 years

pdp-11 boot rom id's? & vtserver on an 11/44

by brad＠heeltoe.com

Two pdp-11/44 questions: Does anyone have a 'big list' of pdp-11 boot rom id's? (should probably be in the same place as a repository - is that being set up?) Also, has anyone tried to use vtserver on an 11/44? I don't think it can be done because the console 8085 catches "^P" and pops back into the console monitor. I suppose the right thing is to plug in a serial cable use the tu-58 emulator. But I don't think I have tu-58 proms. My one and only boot prom id's as 054021. And I have no idea what that is. I suppose I could hack server to use a second serial port. Blech. I guess I should just use the 9-track tape drive the way Ken Olsen intended and stop fooling around :-) -brad

20 years

IBM 5363 on eBay

by stanb＠dial.pipex.com

Hi, As above on UK eBay: http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=1247&item=57369629… Is this interesting enough to put a bid in? I know absolutely *nothing* about 'em... -- Cheers, Stan Barr stanb(a)dial.pipex.com The future was never like this!

20 years

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test-drb December 2004