test-drb January 2001

test-drb@ccmp.vtda.org

181 participants
415 discussions

by ard＠p850ug1.demon.co.uk

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23 years, 5 months

Sharp MZ-80K Available in UK

by pete＠dunnington.u-net.com

On Jan 9, 15:22, Kevan Heydon wrote: > > The guy in the mail below has a Sharp MZ-80K he wants to get rid > of. Please reply to him directly, I don't think he is going to be willing > to post so I think you will have to collect from Bristol. > ---------- Forwarded message ---------- > I don't really want it, but rather than throw it in a skip, I am trying to > find a good home to give it to. Do you want it (I note you already have > one) or do you know anyone who does? I have one too -- but I think I'm missing the BASIC tape. Could you do me a copy sometime? -- Pete Peter Turnbull Network Manager Dept. of Computer Science University of York

23 years, 5 months

cray el (uk) needs rescue

by pete＠dunnington.u-net.com

On Jan 9, 10:10, Stuart wrote: > Hi all, > I've been offered a Cray EL in the UK, that frankly, is too big for me to > handle. A good home is needed to offer removal and relocation, or else it > will be scrapped. The machine is non-operational. > Interetested parties should e-mail me. Stu, you could ask Jim Austin (whom I think you know (of)) -- I'm sure he has space since I just moved some of my stuff out of his storage. He already has a Y-MP and a few bigger things. -- Pete Peter Turnbull Network Manager Dept. of Computer Science University of York

23 years, 5 months

OT-ish : Centronics printer port timing

by pete＠dunnington.u-net.com

On Jan 8, 22:33, Tony Duell wrote: > That's what most of the printer manuals I've seen say as well -- get the > data stable for 0.5uS, bring stb/ low for 0.5us-1us (I saw the correction > you posted) and then keep the data stable for 0.5us after stb/ has risen > again. > Oh well... I'll try the falling edge (which is what the majority of > machines use) and moan about machines that violate the (non-existant?) > standard. The only genuine Centronics manuals I have are for the Centronics 737/739 printers, but for what it's worth, the technical section says the data must be valid for 1us before the leading edge of the negative-going strobe pulse, the pulse should last a minimum of 1us, and the data must remain stable for 1us after the trailing (rising) edge. Of course, this isn't necessarily a standard, just what one Centronics printer wants. In this particular series, the BUSY signal goes active (high) on the trailing edge of ~STROBE (within 50ns) and remains active until the leading edge of ~ACKNLG (within 50ns); ~ACKNLG goes low (active) 300-470us after the trailing edge of ~STROBE (or once the line is printed if the character received is a CR), and lasts for 5us. The only other handshake is ~DEMAND, which is the inverse of BUSY. I used to have some Epson manuals, and I'm sure they use the leading (negative-going) edge of ~STROBE as well. -- Pete Peter Turnbull Network Manager Dept. of Computer Science University of York

23 years, 5 months

Not a BA212, what is it? VAX Question

by cmcmanis＠mcmanis.com

Well, this is truly interesting. I cleaned up and checked out the VAX 4000/200 I got in what I thought was the BA212 cabinet. But it isn't. The tag on the side calls it a BA400 series (and the power supply certainly bears that out) but it is like the BA212 in that the card cage is _behind_ the drive bays. The drives are your standard BA440 type removable (who ever invented that guide/track system does NOT get any bonus points) and the front cover doesn't have a door, only a cover to prevent the drives from being removed when it is in place. Does anyone know what chassis type this is? The system was built in 1991 (see, its on topic now :-) but I've not got a later version of the MicroVAX Technical Handbook which might describe it (the version I have describes the BA440 with the VAX 4000/300) --Chuck

23 years, 5 months

Sharp MZ-80K Available in UK

by kevan＠heydon.org

The guy in the mail below has a Sharp MZ-80K he wants to get rid of. Please reply to him directly, I don't think he is going to be willing to post so I think you will have to collect from Bristol. -- Kevan Collector of old computers: http://www.heydon.org/kevan/collection/ ---------- Forwarded message ---------- Date: Sat, 6 Jan 2001 14:05:25 -0000 From: Nick Reynolds <nick.reynolds(a)icc.win-uk.net> Subject: Do you want (or know anyone who wants) a Sharp MZ-80K? Some years ago I took a Sharp MZ-80K computer (+ manuals + printer + software) off someone who would have otherwise have thrown it in a skip. I believe it works OK, although I've never actually powered it up myself. I don't really want it, but rather than throw it in a skip, I am trying to find a good home to give it to. Do you want it (I note you already have one) or do you know anyone who does? I live in Bristol (UK) and could deliver it to somewhere round here if the eventual recipient had a friend or relative near here who could ensure its eventual delivery. Nick Reynolds

23 years, 5 months

OT: Lightning vs Lightning Bug (Was: RE: Digital Ethernet Local N etwork Interconnect (DELNI)

by mcguire＠neurotica.com

On January 9, Douglas Quebbeman wrote: > > I recently came into possession of about half a dozen of the Digital > > Ethernet Local Network Interconnect (DELNI). This is about 4 more than I > > need. I am willing to trade them singularly for something anyone has that > > can peek my interest. I am particularly interested in items that is > ^^^^ > > associated DEC, HP and IBM workstation > > The sought-after word there was "pique". > > ;-) Last time I "piqued", I got slapped. -Dave McGuire

23 years, 5 months

Tektronix 4170 ????

by rigdonj＠intellistar.net

Is anyone on the list familar with this one? I found one yesterday. It's the size of a large tower case and has two 5 1/4" floppy drives mounted vertically in the top. There are also two "Write Protect" switches on the top of the front panel indicating that it may have internal hard drives. The thing that caught my attention was that it had two disks in the drives and one of them is marked CPM-86. I found a brief description in the 1985 Tektronix catalog. They call it a "Local Graphics Processing Unit" and is used with the 4105, 4106, 4107 and 4109 terminals. From the decription, I *think* it makes them into stand alone CAD systems. Does anyone have any docs for this thing? Joe

23 years, 5 months

cray el (uk) needs rescue

by stuart＠zen.co.uk

Hi all, I've been offered a Cray EL in the UK, that frankly, is too big for me to handle. A good home is needed to offer removal and relocation, or else it will be scrapped. The machine is non-operational. Interetested parties should e-mail me. cheers, stu

23 years, 5 months

OT - ActiveX Controls

by rcini＠optonline.net

Hello, all: I figure that I'd lob this out to the group considering that there are probably several programmer-types on the list. I'm looking for a decent, cheap (well, free, or close to it) ActiveX control for MSVC++ that implements a 7- or 14-segment LED display? I've spent most of the night searching for one, but most of what I come up with are VBX controls. Any thoughts would be appreciated. Rich Rich Cini ClubWin! Group 1 Collector of Classic Computers Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/ /*****************************************/

23 years, 5 months

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test-drb January 2001