test-drb June 2004

test-drb@ccmp.vtda.org

281 participants
616 discussions

MicroVAX 3100-30s available in Cambridge, UK

by pete＠dunnington.u-net.com

On Jun 10, 10:12, Witchy wrote: > > > Given the recent discussions, you could > > contribute a decent set of ROM images now :-) > > Heh; time to see if the ROM reader/burner we've got upstairs works! It > looks like a parallel port job for a PC so I hope we've still got the > software for it too...... :-) Be careful; ones I've seen that look like parallel port connecitons need a special card with the voltage regulators on them (I've got an ALL-02 like that). -- Pete Peter Turnbull Network Manager University of York

21 years, 3 months

Atari Mandala VR System

by wayne.smith＠charter.net

Good catch - I did mean Amiga. I've seen about everything the web has too offer on this and am hoping to get my hands on some actual hardware. Thanks. -W > Date: Sun, 6 Jun 2004 12:19:52 -0500 (CDT) > From: Martin Scott Goldberg <wgungfu(a)csd.uwm.edu> > Subject: Re: Atari Mandala VR System > To: cctech(a)classiccmp.org > Message-ID: <200406061719.i56HJqdK017402(a)alpha2.csd.uwm.edu> > Content-Type: text/plain; charset=us-ascii > > >I'm looking to buy (or at least get a chance to look at) an original > >Mandala virtual reality system for the Atari - the one that > was sold by > >Vivid beginning in around late 1989 or so. Basically works like the > >Playstation Eye Toy. > > > >Anybody have one or know who does? > > > >-W > > > > Actually that was an Amiga driven system, not Atari. You can > read the specs about it here: > > http://www.siggraph.org/~fujii/etech/1991_14.html > >

21 years, 3 months

HP Boards available

by CCTalk＠catcorner.org

I hope these are on topic. They all seem to be about 20 years old. I can't find any copyright. I have the following HP manufactured boards. 93799A (HS BUF INT) (I have 5 of these) 69731B (Digital Output Board) (I have 2 of these) 13037 (INTF) 12979(I/O) buffer Anybody need and/or want any of these? Make an offer (I'm a realist, I just don't want to see these go for scrap). Shipping would be from 07848 (New Jersey USA). Kelly

21 years, 3 months

Teletype 33-TU in Kansas City at surplus exchange

by sales＠billottiautosales.com

I have one of these and was wondering how much you sold it for. I would appreciate this information. Thanks, Bill B

21 years, 3 months

decstation cache in boston

by mbg＠TheWorld.com

>I live less than an hour from boston, I talked with Fred last night and >unless somebody beats me to it, I will pick up everything from Fred. Great... I had talked with him about it, but was not sure I would be able to do it in a timely fashion, what with moving my other condo contents... I'm glad someone could commit to it... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL,ST| email: mbg at world.std.com | | Member of Technical Staff | megan at savaje.com | | SavaJe Technologies, Inc. | (s/ at /@/) | | 100 Apollo Drive | URL: http://world.std.com/~mbg/ | | Chelmsford, MA 01824 | "pdp-11 programmer - some assembler | | (978) 256 6521 (DEC '77-'98) | required." - mbg KB1FCA | +--------------------------------+-------------------------------------+

21 years, 3 months

Fw: Macs: Billions and Billions sold

by jkeys＠houstoncomputermuseum.org

----- Original Message ----- From: "jkeyshcm" <jkeys(a)houstoncomputermuseum.org> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk(a)classiccmp.org>; <sml49(a)comcast.net> Sent: Friday, June 11, 2004 11:49 AM Subject: Re: Macs: Billions and Billions sold That sounds like a great idea and I would love to do it for a display at the museum and shows that we do. Can share the software and tips? Thanks > ----- Original Message ----- > From: "Seth Lewin" <sml49(a)comcast.net> > To: <cctalk(a)classiccmp.org> > Sent: Thursday, June 10, 2004 7:09 PM > Subject: Re: Macs: Billions and Billions sold > > > > On June 9 John Allain wrote: > > > > > > > > > > But anybody have any creative ideas on what to do > > > with two or three Mac Classics that I keep finding. > > > I can't throw them out, on conscience. > > > > At one MacWorld I attended one vendor had taken dozens of Pluses, SE's, > > SE30's and Classics and built what can only be called a throne out of > them, > > with a Lisa for an ottoman - and ran the Pyro! screensaver on them all, > then > > photographed show-goers sitting on it and handed out the Polaroids. That > > took dozens of mini-Macs but perhaps you could use the few you have to do > > something equally silly - run the Energizer Bunny, network version. Hook > 'em > > together with PhoneNet, install the init on them all and the "Start > Wabbit" > > application on one, and let it rip. Bunny marches across one screen, then > > the next, then the next and around and around. I have the software if you > > want it. Sort of a deranged kinetic art form... > > > > Seth Lewin > > > > >

21 years, 3 months

Any MacIvory boards from Symbolics? Was: Macs: Billions and Billions sold.

by cb＠mythtech.net

>Good question -- does the Mac Classic have any NuBus slots? I'd like to >snag one of the Symbolics MacIvory lisp machine cards to run on a Mac. The Classic does not have any expansion slots at all. I think the smallest Mac you can get that supports NuBus would be the IIsi (with a PDS to NuBus adaptor). But that doesn't have a built in screen. None of the All In One macs supported NuBus (at least not directly, I believe I read somewhere that the SE/30 could use the IIsi adaptor card, but even if it could, you woudn't be able to close the case with it installed). Did the MacIvory card come in another other format? LC PDS maybe? A number of AIO macs have LC PDS slots. -chris <http://www.mythtech.net>

21 years, 3 months

VME 6U Powered Chassis

by RMeenaks＠OLF.COM

Hi, Does anyone have a small (3-slots to 7-slots) VME powered-chassis? I am looking for a 6U-based chassis to complement my Ultra-2 Sun workstation. Thanks... Ram (c) 2004 OpenLink Financial Copyright in this message and any attachments remains with us. It is confidential and may be legally privileged. If this message is not intended for you it must not be read, copied or used by you or disclosed to anyone else. Please advise the sender immediately if you have received this message in error. Although this message and any attachments are believed to be free of any virus or other defect that might affect any computer system into which it is received and opened, it is the responsibility of the recipient to ensure that it is virus free and no responsibility is accepted by Open Link Financial, Inc. for any loss or damage in any way arising from its use.

21 years, 3 months

floppy low level format question

by dwight.elvey＠amd.com

Hi Jules The formats for MFM and FM are mostly well defined but they are not the only formats out there. There was a problem with one of the early controller chips ( I think it was the 1791 ) that had problems with all 0 gaps or something. In general, FM is FM and MFM is MFM. The clock rates are different for 8 inch and 5-1/4, single, double and quad. There are at least two other common soft sectored formats that I know of. There is the Aplle II format and there is M2FM that Intel used. Hard sectored formats used all kinds of encoding. Most use a simple return to zero type clocking. Sector headers had any number of different combinations. Anyway, going directly into the port is always going to be tough for a PC. PC's are busy with a number of things and don't make particularly good "real time" processors. I'd been thinking of the same things you've been thinking of. There is another way. A while back there was some modem boards called "softmodems". These were made by Cardinal and DSI ( later bought by that sound board company? ). These have DSP chips that run quite fast enough to bit-bang the data from a floppy. One can load code into these boards and run fast enough to monitor the data stream of a floppy. I've hacked the ones used by Cardinal and DSI to use for some DSP projects. I've been considering doing the same to capture images of disk. I'd though it would be easiest to use the disk controller in the PC to deal with select, track stepping and head loads while using this board to read the data. Once the timing data is captured, one can store or decode at ones leisure. Dwight >From: "Jules Richardson" <julesrichardsonuk(a)yahoo.co.uk> > > >Hmm, my pondering about reading raw data from floppies got me thinking. >I have some data on low level floppy format, which gives the following >information: > >Each track has an index gap, followed by a gap 1, followed by a number >of sectors, followed by a termination gap. > >Each sector is made up of an ID field, seperator gap, data field, and >then a trailing gap on all except the last sector on a track. > >This is given as the same for both MFM and FM recording. > >The information I have gives the makeup of each of the gap types in >terms of bit patterns, counts, what clock transitions are missing for >MFM formats etc. > >Question is, is this a standard? I mean, for any disk using MFM or FM >recording are these bit patterns going to be the same? Or is it >dependant on the controller chip being used? > >cheers > >Jules > > > >

21 years, 3 months

Macs: Billions and Billions sold

by cb＠mythtech.net

>perhaps you could use the few you have to do >something equally silly - run the Energizer Bunny, network version. Hook 'em >together with PhoneNet, install the init on them all and the "Start Wabbit" >application on one, and let it rip. Bunny marches across one screen, then >the next, then the next and around and around. I have the software if you >want it. Sort of a deranged kinetic art form... Hehe, that's the greatest thing! I should write something similar for myself. I currently have 3 Mac screens (two different Macs), and a Windows screen all facing me... I should write a little cross platform app to do something similar so I can have it run across each of my 4 screens. hehe... now I know what to do on my next down day :-) -chris <http://www.mythtech.net>

21 years, 3 months

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test-drb June 2004