test-drb March 2015

test-drb@ccmp.vtda.org

167 participants
224 discussions

by paulkoning＠comcast.net

> On Mar 30, 2015, at 1:23 PM, John Foust <jfoust at threedee.com> wrote: > > At 11:47 AM 3/27/2015, Liam Proven wrote: >> On 27 March 2015 at 17:36, Bob Brown <bbrown at harpercollege.edu> wrote: >>> Does anyone know if a usb --> scsi adapter might allow me to connect an hp 9-track tape drive (7980s) to a computer running windows-7? > > Hasn't someone somewhere created an iSCSI stack that would let > an old PC run Linux and use an old SCSI card (of appropriate > interface) to talk to old hardware, but speak to the > new PC and new software over the network? I think iSCSI target support is now a standard Linux iSCSI feature. If not standard, at least reasonably mainstream. I haven?t tried it, but I see plenty of references to it on the Linux iSCSI mailing list. paul

9 years, 1 month

Sperry MainFrame Liquid cooled memory card 1986 vintage

by ehogan＠unimetrix.com

Looking for offers on the subject item. Best regards, Ed Hogan Unimetrix Corporation 20371 Lake Forest Drive Suite A-7 Lake Forest, CA 92630 Phone: 949-215-2475 x101 Toll Free: 800-633-9955 x101 FAX: 949-215-2472 Email: ehogan at unimetrix.com Web: www.unimetrix.com <http://www.unimetrix.com/> THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers.

9 years, 1 month

Identifying a magnetic recording head

by kylevowen＠gmail.com

Any idea what this came out of? I was thinking some fixed head hard drive, but I'm not sure. It looks new. The coil resistance is about 4 ohms and >from measuring it, seems to be center-tapped. http://imgur.com/a/mHZS4 Thanks, Kyle

9 years, 1 month

Wanted: PDP-11 Unibus Ethernet interface from Xerox, c. 1981

by jnc＠mercury.lcs.mit.edu

> From: Al Kossow > I have several of them. Wow. I'm totally stunned! Do you have any 3-Mbit transceivers to go with them? If you (or anyone) need, I can provide old code for an IP/PUP router to connect a 3-Mbit Ethernet to a 10-Mbit (if you want to put, say, an Alto on the Internet - not sure if they ever did a 10-Mbit card for the Altos). It would need either a UNIBUS 11, or a QBUS 11 and a QBUS->UNIBUS converter. (The DEC one is UNIBUS->QBUS, so would not help us.) > Anyone still have Unibus Chaosnet cards? Another rara avis! (I don't remember if they ever made any QBUS ones.) Noel

9 years, 1 month

Wanted: PDP-11 Unibus Ethernet interface from Xerox, c. 1981

by jnc＠mercury.lcs.mit.edu

> From: Rich Alderson > SAIL .. did not use the MEIS (Massbus-Ethernet Interface Subsystem) for > Ethernet connectivity, but rather a Unibus card from Xerox (apparently > used to hook -11s to D-machines) which went into the front end 11/40 on > the KL-10. If this is the card I'm thinking of (we got two as part of the Xerox donation of Altos, a Dover, etc to MIT, BITD), it's to a 3-MBit Experimental Ethernet, not to a 10-MBit Ethernet, and so won't be much use unless you have something else with a 3-MBit Ethernet (and of course you'd also need 3-MBit transceivers, etc, etc). And of courset those cards were made in very, very limited numbers; if any survive to this day, I will be absolutely astonished. If you have a pointer to the PDP-11 code, I can take a look at it and confirm if it's a 3-MBit card. (The hardware packet header format is completely different from that for a 10-MBit.) Noel

9 years, 1 month

Old ALR, Unisys, Burroughs equip

by sales＠elecplus.com

I just got off the phone with a gent who has a 7,000 sq foot warehouse in NJ. He has old ALR, Unisys, and Burroughs servers, terminals, keyboards, and storage (9GB drives). If you are interested, send him an email at ehogan at unimetrix.com. His name is Ed Hogan. Cindy Croxton

9 years, 1 month

Wanted: PDP-11 Unibus Ethernet interface from Xerox, c. 1981

by jnc＠mercury.lcs.mit.edu

> From: Al Kossow > There was a 10mb card Xerox made [later] > There never was a 10mb card. ?? > I would be interested in the code for an 11. Alas, the CGW code online at MIT: http://web.mit.edu/afs/net/project/cgw/ doesn't contain the PDP-11 version (or the Experimental Ethernet drivers, etc). I have the hardcopy of the PDP-11 version, and somewhere on the MIT V6+ Unix tapes that I'm currently trying to excavate, there will be machine-readable, but I've been trying to get to those for some months now... too much else to do! :-( If you get to a point where you need it, let me know, and if I don't already have it done, I'll move it up the priority list. Noel

9 years, 1 month

HP 9100B upgrade and case mod

by tshoppa＠wmata.com

At first I thought this was an April Fools prank pulled a day early, then I went and checked and found out that because 2015 is a leap year, March only had 29 days instead of the usual 31. Tim.

9 years, 1 month

Wanted: PDP-11 Unibus Ethernet interface from Xerox, c. 1981

by RichA＠LivingComputerMuseum.org

Long story short: It turns out that SAIL, the DEC-1080 running WAITS at the Stanford Artificial Intelligence Laboratory, did not use the MEIS (Massbus-Ethernet Interface Subsystem) for Ethernet connectivity, but rather a Unibus card from Xerox (apparently used to hook -11s to D-machines) which went into the front end 11/40 on the KL-10. So: Does anyone on the list have such a device, and are you willing to part with it? Or to loan it for reverse engineering? Or do you know someone who has one who does not read ClassicCmp? Please contact me off-list. I've directed Outlook to set the Reply-to: field, but who knows if it listens, or if the list software will leave it in place. Thanks, Rich Rich Alderson Sr. Systems Engineer Living Computer Museum 2245 1st Ave S Seattle, WA 98134 http://www.LivingComputerMuseum.org/

9 years, 1 month

OT: 32-bit OS called MMYRTL

by rich.cini＠verizon.net

All ? After a long time, I?m playing with this 1995-vintage DIY 32-bit OS called MMYRTL by Rich Burgess. Does anyone have any experience with running and building it? If so, could you ping me off-list. I have a quick question on it. Thanks! Rich -- Rich Cini Collector of Classic Computers Build Master and lead engineer, Altair32 Emulator http://www.classiccmp.org/cini http://www.classiccmp.org/altair32

9 years, 1 month

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test-drb March 2015