test-drb January 2004

test-drb@ccmp.vtda.org

290 participants
643 discussions

by pete＠dunnington.u-net.com

On Jan 16, 10:00, Rob O'Donnell wrote: > > Somewhere out there in the world there is also at least one econet <--> > X.400 box, (coz I saw it on eBay) which was based on a BBC B with some > customer software/hardware - would be nice to get hold of the > specs/software on that too - could eventually link my emulated BBCs to the > Internet properly.. X.400 is a messaging (email etc) protocol; I think you've seen an Acorn X.25 Gateway. They weren't one of Acorn's success stories :-) I recall the Psychology Department at Edinburgh University had one, they intended it to link their Econet lab to the ERCC network and thence to JANET. It's a box with a BBC motherboard and some extra gubbins in it. You'd be better to run something like !Gateway on an Archimedes or RISC PC with an Econet and an Ethernet interface. -- Pete Peter Turnbull Network Manager University of York

20 years, 11 months

Appearance on HGTV tonight (Sunday)

by vcf＠siconic.com

Tonight on HGTV I appear on the show "Hey, Remember!" where I'll be talking about old computers. It appears locally at different times so check your local listings. http://www.hgtv.com/hgtv/shows_hhey/episode/0,1806,HGTV_11739_29444,00.html -- 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, 11 months

"Scrap" PDP-11 boards on Ebay

by wmaddox＠pacbell.net

The title says "20 Old Computer Boards/23lbs Scrap Gold", but if you read the rest of the listing, it describes all of the boards and claims they are pulls from a working system. Looks like lots of Q-Bus PDP-11 stuff, including a CPU and backplane. It's up to a measly $10.50 with two days to go. Item # 2588111758 http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2588111758&category=1504 It looks like there are a couple of DEC boards in this lot as well: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2217820473&category=3360 --Bill

20 years, 11 months

Emulation (Was: Emulators of Classic Computers)

by pete＠dunnington.u-net.com

On Jan 16, 4:43, der Mouse wrote: > >> What indeed... Now, Maplin do some nice 13mm LEDs, how big do you > >> think we could make a panel? How about the 3" LED clusters they use > >> as tail lights on buses round here? Make a PDP-8 6' across, like > >> the giant MS-20 that Korg made for demo tours in the 1970s? > > But then you'll need the MIG welder again :-) > > Details, details. :) > > Actually, I'm a bit interested in the other direction: how _small_ > do/can LEDs get? (And how much heat do they produce?) I've been > pondering something, but in order for it to be workable I need to be > able to cover fairly large areas with some kind of display technology > at a resolution no worse than about 75dpi. Since "large areas" means > dozens of square feet, too large for a CRT, all I've been able to think > of are LEDs. But I don't know how practical (or more likely how > drastically impractical) that is. Interesting... Smallest I've seen are surface mount, about 0.1" x 0.05". Not small enough for 75dpi, but perhaps you can get smaller arrays. However, even LCD displays for laptops are only about 75 dpi, and I suspect you'd get gaps between the arrays. Power? Well, rule of thumb is around 2V across an LED, at around 10mA, depending on the type and brightness you want. Suppose you used the surface mount types I've seen, that would be 10 x 20 = 200 in a square inch; at 10mA each that's 2A at 2V = 4W, or about 576W per square foot. I don't know offhand what the efficiency of an LED is, but a few of those would make a reasonable room heater :-) Of course, you could multiplex them and cut the power to maybe 10%-20% of that. -- Pete Peter Turnbull Network Manager University of York

20 years, 11 months

Apple 'Star Trek'?

by pete＠dunnington.u-net.com

On Jan 16, 1:14, Witchy wrote: > I'll just make do with my NeXT Station for now :) Sleek. Black. No burn on > the screen and NeXTSTEP 2.3 installed. If anyone's got spare NeXSTEP media > I'll be all ears :) I wonder if it'll compile Moz Firebird? I'm sure I have a later version somewhere. I could burn a copy, though it might take a while to find it. -- Pete Peter Turnbull Network Manager University of York

20 years, 11 months

Apple 'Star Trek'?

by witchy＠binarydinosaurs.co.uk

Hi folks, Googling around for more info on NeXT Computer to flesh out my new NeXT page on Binary Dinosaurs turned up something I'd really like to get my paws on but I'll bet was consigned to the bin straight away - the 'star trek' project started by Apple to port MacOS across to Intel hardware in the early 90s. So far I've found that a team of engineers succeeded in the port, but it was canned in 1993 when Apple was moving from 68K to PowerPC processors and it was found to be faster on a 486. The same tale reminds me that I'd really like a Be Box too :) Cheers, -- Adrian/Witchy www.binarydinosaurs.co.uk - possibly the UK's biggest online computer museum www.snakebiteandblack.co.uk - ex-monthly gothic shenanigans :o(

20 years, 11 months

Emulator search

by classiccmp.org＠irrelevant.fsnet.co.uk

All this talk of emulators has got me thinking. (See you knew you could smell burning dust.) Does anybody know of an emulator of the BBC Micro that supports: - Econet (networking, preferably mapped over tcp/ip so I can run multiple emulators and have them talk to each other) - Serial Port as Telnet (A couple will map to COM1 etc, but would be nice to have a telnet interface instead) - Tube/65C02 Second Processor This is so I could set up my BBS again on a PC and not have to find space for half a dozen micros and a hard disc unit the size of a 1KW UPS. (And almost as heavy) Somewhere out there in the world there is also at least one econet <--> X.400 box, (coz I saw it on eBay) which was based on a BBC B with some customer software/hardware - would be nice to get hold of the specs/software on that too - could eventually link my emulated BBCs to the Internet properly..

20 years, 11 months

Hmm...

by pete＠dunnington.u-net.com

On Jan 15, 20:00, Fred N. van Kempen wrote: > On Thu, 15 Jan 2004, Curt vendel wrote: > > > The Atari 822 Thermal printer was also an Apple ][ printer as well, I think > > it was an alp's I need to doublecheck, I saw the exact same printer in a > > very old Apple catalog long ago... the Atari 825 printer was a Centronics > > 737 > ... and wasnt that 737 also known as 'GLP' - Great Little Printer, > budnled with several Tandy and Commodore (via user port) 'puters > at the time? Similar but not the same. 737 is a 739 without the graphics ROM. -- Pete Peter Turnbull Network Manager University of York

20 years, 11 months

Fwd: imm. help with a classic comp (NEC V20) reqd.

by india_50＠yahoo.com

--- Subramanian Iyer <india_50(a)yahoo.com> wrote: > Date: Mon, 12 Jan 2004 19:47:59 +0000 (GMT) > From: Subramanian Iyer <india_50(a)yahoo.com> > Subject: help with a classic comp (NEC V20) > To: cctech(a)classiccmp.org > > i could lay my hands on an old NEC V20(8088 i guess) > comp (a Hitachi Motherboard i guess no. HIL8) > recently. it must be atleast 15-20yrs old. it does > hv > all its components and interfacing cards along with > its bios. > here lies the problem. i don't hv any idea if it > works > or not. the pwrsupply works for sure (i checked). > the > monochrme monitor that i got with it does not work. > where should i start checking if it is working, if > the > bios, processor and other chips ar in good > condition? > i hv no idea.... > kindly help. > contact in pvt. for helping me... > Subs > > ________________________________________________________________________ > Yahoo! Messenger - Communicate instantly..."Ping" > your friends today! Download Messenger Now > http://uk.messenger.yahoo.com/download/index.html > ________________________________________________________________________ Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now http://uk.messenger.yahoo.com/download/index.html

20 years, 11 months

Fwd: imm. help with a classic comp (NEC V20) reqd.

by india_50＠yahoo.com

--- Subramanian Iyer <india_50(a)yahoo.com> wrote: > Date: Mon, 12 Jan 2004 19:47:59 +0000 (GMT) > From: Subramanian Iyer <india_50(a)yahoo.com> > To: cctech(a)classiccmp.org > Subject: help with a classic comp (NEC V20) > > i could lay my hands on an old NEC V20(8088 i guess) > comp (a Hitachi Motherboard i guess no. HIL8) > recently. it must be atleast 15-20yrs old. it does > hv > all its components and interfacing cards along with > its bios. > here lies the problem. i don't hv any idea if it > works > or not. the pwrsupply works for sure (i checked). > the > monochrme monitor that i got with it does not work. > where should i start checking if it is working, if > the > bios, processor and other chips ar in good > condition? > i hv no idea.... > kindly help. > > Subs > > ________________________________________________________________________ > Yahoo! Messenger - Communicate instantly..."Ping" > your friends today! Download Messenger Now > http://uk.messenger.yahoo.com/download/index.html ________________________________________________________________________ Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now http://uk.messenger.yahoo.com/download/index.html

20 years, 11 months

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test-drb January 2004