test-drb August 2003

test-drb@ccmp.vtda.org

280 participants
469 discussions

by teoz＠neo.rr.com

I purchased a while ago some 500 new bulk packed green 5.25 DD disks for my c64/IIgs systems that didnt come with any sleeves. Anybody know of a place that sells just the tyvek sleeves for 5.25" disks?

20 years, 9 months

HP 9111A Graphics Tablet -- Anyone has the software for it?

by vp＠mcs.drexel.edu

I bought an HP 9111A digitizing tablet on eBay for my HP-85 and I was wondering if anyone has the software needed to drive it. Alternatively, if anybody has info on the communications protocol used by the 9111A to talk to the HP-85 over the HP-IB bus, please let me know. Thanks **vp

20 years, 9 months

Items from Storage in MN

by jrkeys＠concentric.net

Went back up to MN to empty one of the storages left up there and found the followings items: 10 various pdp8/e engineering drawings books (11x17 in size) from 11/70. hp 1727A Storage Oscilloscope (275 MHz) with manual, does not power up but for $10 no complaints. IBM mag system (typewriter and reader). Sun Diagnostic Exec 1.2 for 68020 & 68030 1/2" tape and manual. LOGICAL QUV-T8 UV EPROM Eraser Mattel Electronics FootBall II from 1978. A great looking book called The Universal History of Computing by Georges Ifrah. Feedback Automatic Washing Machine MIC915 module for microcomputers with manual. Feedback Temperature Control MAT855 & MIC955 module for microcomputers with manual. DMS tele-sports mini handheld gaming system. SHOOTER EE/EPROM programmer by Logical devices. Unloaded a ton of stuff in storage here and will update list as I find more good stuff for the museum.

20 years, 9 months

8 inch floppy drives available

by r_beaudry＠hotmail.com

Hello all, I have the following 8" floppy drives available for $5.00 + shipping. The $5.00 covers the cost of a brand-new box, shipping materials, and my time to pack/ship. These drives are working pulls, but have not been tested in a few years. I may have manuals for the Shugarts, so ask if you need one (no extra cost). In order to be fair to digest and international users, I'll take emails from interested people until Tuesday, August 5th at midnight. Then I'll randomly choose people to ship the drives to. Please email OFF-LIST, and include a ZIP code or country so I can quote shipping. Shipping will be by USPS, from ZIP 01473. Shipping weight is approximately 25 lbs. per drive. I will weigh them and give an exact shipping quote when I determine who gets them. I CANNOT combine more than one into a box because of size/weight constraints (i.e., too big and heavy for me to carry!). You can go to www.usps.com and get a shipping estimate. Here's the list: - Qty. 1 Shugart 851 - Qty. 3 Shugart 801 - Qty. 2 Shugart 800-2 - Qty. 1 Qumetrak 842 - Qty. 1 Qume DT/8 (this looks like the 842, but I have no manual to tell the difference). Thanks! Rich B.

20 years, 9 months

Backing up ST506 disks

by aek＠spies.com

Put an ST506 controller into a PC. ST506/412 was the defacto standard on PCs until IDE. although most PC people erroneously refer to the cabling and interface as "MFM". The controllers used by IBM in the XT were made by Xebec. Once you have a controller and drive in your PC, you can write the code to read and write sectors to be able to copy a drive. -- It would be easier to use basic SCSI commands to talk to the S1410 controller directly. I have the documentation on line, and as long as no other peripheral is on the SCSI chain, it should work fine (SCSI is a superset of SASI) When you write the copy program, remember to have some fallback strategy WHEN you read a bad sector (filling with ascii "BAD SECT" for example) since you may not get any data back. You'll also need to figure out the disc geometry, sector length, etc. since you have to set these parameters into the S1410 before you can do anything. This may require some experimentation, but it isn't likely that they would have used anything other than 128,256, or 512 bytes/sector. the S1410 manual can be found at www.spies.com/aek/pdf/xebec/S1410Man.pdf

20 years, 9 months

Backing up ST506 disks

by dwightk.elvey＠amd.com

>From: "Jules Richardson" <julesrichardsonuk(a)yahoo.co.uk> > >Hi all, > >I'm just wondering how to back up the hard drive (a 20MB MFM) in my Research >Machines fileserver. The system runs CP/M, has a couple of floppy drives, and >the hard disk is hooked up to a Xebec controller with a SASI bus linking it to >the host controller in the fileserver. > >There are actually two problems: > > 1) Getting the data off the hard drive somehow (possibly via floppy) and >being able to read it on another system (ideally a PC I suppose) Write a serial dump program and move it to the PC. > > 2) Being able to rebuild the system if/when the hard drive fails. Learn enough about the system to extract the code needed to do a bootstrap. It will be worth your investment in time. The amount you'll learn will be more valuable than the boot strap code. The simples bootstrap is with some serial input to drive. You should get a second drive to fiddle with, that can later be used as a backup. Dwight > >Thoughts on both are welcome! I don't have any kind of OS source media for the >system, and it wouldn't surprise me if it isn't the only survivor :-( Maybe >there are utilities on the system itself to recreate bootable OS media, but my >knowledge of CP/M is a little lacking! > >For my old SCSI systems I tend to hold a raw block-by-block backup image of the >drive by putting the hard disk in a PC with Linux and dragging data off that >way. If the drive fails and I can't get an identical replacement, a slightly >larger drive still works with a little bit of wastage. Due to the relationship >between the controller and drive using ST506 I gather things are probably a >little more complex though... > >cheers > >Jules > > >===== >Backward conditioning: putting saliva in a dog's mouth in an attempt to make a bell ring. > >________________________________________________________________________ >Want to chat instantly with your online friends? Get the FREE Yahoo! >Messenger http://uk.messenger.yahoo.com/

20 years, 9 months

3.5 inch DSDD diskettes - NOS - any interest?

by acme＠ao.net

I hope this isn't too commercial for the list, but I have a couple of machines which use these so I figured some of you might need some, too. "720K" 3.5" DSDD diskettes, 10 per box, new old stock $1 per box of ten, minimum 10-box order, shipped UPS through my commercial UPS account, buyer pays shipping I'll run them through my store so I can take VISA, MasterCard, Amex or Discover Sorry for all the conditions, but I'll have to buy a *mountain* of these and need to know that I can move a few before I commit to the purchase Later -- Glen Goodwin Orlando FL USA

20 years, 9 months

OT: SCA Drives in StorageWorks SSB's

by healyzh＠aracnet.com

This is a bit modern for the list, but I'm hoping someone here has some experience. I've just been given a pair of BA356 enclosures, and the one has 6 empty DS-RZ1CB-VW SSB's. The shelf itself is a BA356-KD with BA35X-MD 2X fans, and a BA35X-MH 16-bit I/O Personality Module. My question is, while the DS-RZ1CB-VW SSB's are intended for 4.3GB 7200RPM *SCA* drives, can they handle 9 or 18GB 10,000RPM SCA drives? If nothing else, I can always fill the shelf with RZ29-VW drives, but would prefer some 18GB drives if possible (I suppose I can always get some 7200RPM ones off of eBay). Zane -- -- | Zane H. Healy | UNIX Systems Administrator | | healyzh(a)aracnet.com (primary) | OpenVMS Enthusiast | | | Classic Computer Collector | +----------------------------------+----------------------------+ | Empire of the Petal Throne and Traveller Role Playing, | | PDP-10 Emulation and Zane's Computer Museum. | | http://www.aracnet.com/~healyzh/ |

20 years, 9 months

Microchannel Ethernet

by nedry＠mail.bedlambells.com

Don't need that... but, anyone got any microchannel ethernet cards? I have an IBM PS2/95 server, with only token ring. It's that or I have to build my own token ring segment. Kind of a drag... Thanks, Mark ---------- Original Message ---------------------------------- From: Bill Richman <bill(a)timeguy.com> Reply-To: cctalk(a)classiccmp.org Date: Tue, 22 Jul 2003 09:19:02 -0500 (CDT) >We've got a bunch of it at work, too. Probably 200 cards (mixed ISA & >PCI), several Madge "Smart" CAUs, LAMs, and RAMs, and a boatload of patch..

20 years, 9 months

Eli Heffrons on Hampshire Street, Cambridge,MA, USA

by classiccmp＠crash.com

Bob Shannon wrote: . > I've owned two, and serviced a great many back in the Eli Heffron days. Yow! I drive by the site every now and again and shed a tear for what was once a wonderful place to lose an afternoon. Back around '89-91 I worked at MIT and Eli's was a prime source of parts for labs with tight hardware budgets to repair/upgrade their ailing MicroVAX II's and such. I remember wandering the shelves and seeing RX0n drive cabinets, whole pdp-11/44's, and other goodies that I didn't do anything about. What I did do was buy an SGI Iris 3130 with monitor -- nobody seemed to know what it was, but I got it to boot. I believe I paid $2k for that thing with 20" color monitor, and hauled it home in a friend's car. Fooled around with that for a couple months but something in the monitor went, probably a flyback. I decided by that time that I needed a Sun for a project I wanted to do when I returned to college (anybody remember UCB's Sprite?), so I sold the thing with a dead monitor for the same price. Who knows, maybe I could have gotten more, the thing was loaded with bitplane and Geometry Engine boards. But the weird System III derivative OS really put me off at the time. Manys the time I've wished I could go back in time and raid those shelves, or browse through the tables of electronics parts... --Steve.

20 years, 9 months

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test-drb August 2003