test-drb

test-drb@ccmp.vtda.org

101090 discussions

by jonas＠otter.se

On Sun, 10 Feb 2013 18:56:15 -0800, Chuck Guzis <cclist at sydex.com> wrote: > I discovered two reels of tape--I assume that they're just different > versions FORT045 and FORT046, as they have different dates (86 and 87) > printed on them. > > Glenn has the ZIP of the TAP files. I can send copies to whoever wants > them. > > Do let me know if either amounts to a hill of beans. > > --Chuck > Wouldn't that be VMS installation tapes for FORTRAN v. 4.5 and v.4.6? It sounds like what they would be labelled. /Jonas

13 years, 1 month

DDS/DLT compatibility levels [was RE: CompacTape/DLT Media]

by RichA＠vulcan.com

From: Paxton Hoag Sent: Monday, February 11, 2013 6:29 PM > If it is a DDS you can find auxillary drives that should read DDS DAT > tapes. Like DLT there are 1 through 4 versions (i.e. DDS or DDS1, > DDS2, etc.), usually backward compatible. >From personal experience: A DDS2 drive will read and write DDS1 or DDS2 tapes. A DDS3 drive will read and write DDS2 or DDS3 tapes, and read DDS1. A DDS4 drive will read and write DDS4 tapes, might read and write DDS3 tapes correctly, and might read DDS2 (maybe). Rich Alderson Vintage Computing Sr. Systems Engineer Vulcan, Inc. 505 5th Avenue S, Suite 900 Seattle, WA 98104 mailto:RichA at vulcan.com mailto:RichA at LivingComputerMuseum.org http://www.LivingComputerMuseum.org/

13 years, 1 month

Vintage era

by c.murray.mccullough＠gmail.com

I was reading ?The Fire in the Valley? ? the story of how the computer became a mass-consumer product - and the wrestling of control by experimenters & hobbyists of computing technology from elites - the computer cognoscenti. This beginning age(1970s-80s) saw the rise of the technocrat, the nerd, the geek who revolutionized technology but who today are the computing elite and control our technocratic society for good or ill. Vintage computers, the beginning era, has been subsumed by a technology so rapidly advancing it threatens to overwhelm us yet I still look back with fondness and I hope we can revive some of that era?s experimentation if only to validate a true hacker ethic. Murray--

13 years, 1 month

FS: Macs ready to find homes

by slandon110＠gmail.com

I got the following PowerMacs ready to go A PowerMac 8500 with 48MB RAM and a 1GB HDD- Running Rhapsody Dev Release 2 with throw in more ram $75 shipped a PowerMac 9500 with 160MB RAM 1GB HDD running MacOS 7.6 $125 shipped a Quadra 650 with 16MB RAM and a 1GB HDD running MacOS 7.6- Will throw in some 32MB SIMMS $50 shipped 50 PIN SCSI Hard Drives, Any Size $15 dollars shipped each, Let me know what size you need Keep watching the list as I go through and prep more machines for sale.

13 years, 1 month

FW: [N8VEM-S2I:96] Version 0.3 S2I Firmware Update

by LYNCHAJ＠YAHOO.COM

Hi Update on the SCSI to IDE/SD project S2I. A lot of recent progress. Still looking for testers. Thanks! Andrew Lynch Hi Folks, I have just uploaded developmental firmware version 0.3. Here is what I remember of the changes made: * Support for either IDE or SD Card interface * Support for Pseudo-DMA (you MUST mod your prototype card for this to work) * Support for on-chip target device selection * Substantially improved handling of status codes and sense bytes * Substantial refactoring of protocol phases -- much cleaner and more modular Still looking for testers!!! -Wayne -- You received this message because you are subscribed to the Google Groups "N8VEM-S2I" group. To unsubscribe from this group and stop receiving emails from it, send an email to n8vem-s2i+unsubscribe at googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.

13 years, 1 month

CompacTape/DLT Media

by merrony＠gmail.com

I'm trying to restore a Data General MV/2500 (c.1989) which contains what DG referred to as a '130MB CTD'. It's actually a Fujistu M2451A. My question is: what is the latest generation of DLTs that I can use in the drive? Will DLTtape III cartridges work or do I have to try to find CompacTape IIs from somewhere? Thanks, Steve Restoration website: http://stephen.homedns.org/dg/

13 years, 1 month

T-series machines, was Re: OpenSXCE, was Re: Vintage era

by barythrin＠gmail.com

I think it depends which country you're in. I believe the quad core galaxy phone and tablet became dual core state side for some reason.

13 years, 1 month

Itch before scratching tape

by cclist＠sydex.com

I discovered two reels of tape--I assume that they're just different versions FORT045 and FORT046, as they have different dates (86 and 87) printed on them. Glenn has the ZIP of the TAP files. I can send copies to whoever wants them. Do let me know if either amounts to a hill of beans. --Chuck

13 years, 1 month

Using two RL02 drives on OS/8?

by charlesmorris800＠centurytel.net

The connections from the drive select outputs on the RL8A checked perfectly to the line receiver inputs on the RL logic board. While I appreciate Rick's taking the time to make me a selectable version of the RL02 oscillating seek.... he included a bug at no charge too ;) Specifically, the constant at 0230 (0100) selects the appropriate drive and resets it all right (0101 in AC). But - later on down the program, the SEEK (03) command is issued with another RLCB... however, the AC is forced to 0003 by the microprogrammed 7325. (As is probably apparent by now, the AC must have 0103 in it to select Drive 1). I edited the program to use a TAD 0231 and put the constant at 0231. So instead of the CLA CLL CML IAC RAL (load AC with 03 the hard way, an old-time DEC programmer's way to save one word when memory was a precious commodity) :) the AC now loads with 0103 and lo and behold, Drive 1 seeks merrily away! Restore the two constants to Drive 0 and THAT drive seeks. OK. However, all was not lost... during the couple of hours of chasing my tail wondering where the LSB of the drive select was going, I found that I had inserted the header into the RL logic board crookedly and bent two pins, one in the wrong hole and one shoved aside! :( Not only that, the line driver chip which provides the drive select signals had come from the factory with NO solder at all on its Vcc pin 16! =:^O Fixed that too. I think the OS/8 packs have been wiped out by now... various FAULT lights coming on, especially on the 2nd drive in the chain... going to build another system pack with VTserver which takes a good half-hour or more at 19200 baud. Hope the servo tracks are ok, otherwise I'll need to buy a couple of good packs! -Charles

13 years, 1 month

11/35 questions

by jack.rubin＠ameritech.net

I'm just getting to know my "new" 11/35 and have some questions about the current configuration. 1) Was the M981 (unibus jumper/terminator) unique to the 11/35(40)? It's not in the field guide but is mentioned in the Unibus Troubleshooting Manual. I'm assuming it provides near-end termination for the bus but it's curious that the termination portion is on the far side fo the jumper. The only other examples of the M981 that I've seen are in other 11/35 systems. 2) The system has 32KW of core - 8K in the chassis in an MM-11S system unit and 24K in a separate CMI Expandacore box. The MM-11L unit is a little strange in that it is composed of the expected G110 control module and G231 drive module but the core stack is an H215 (parity) rather than H214 (non-parity) unit. Does this matter? If it does, how would it affect operation? 3) This is a "vanilla" system with none of the available CPU options. It does, however, have an M7840 EAE board (KE11-B) which supports hardware multiply and divide. Does this make sense? 4) The system is in a BA11-DB(?) case - 10 1/2" high with H750 power supply on the right side (from the front of the chassis). As received, there are no covers for top, bottom or power supply. Anyone have any spares, or if not, pictures and/or measurements of the original parts? Shouldn't be too hard to fabricate but it would be nice to be as original as possible. OK - that's all for now! Thanks, Jack

13 years, 1 month

Itch before scratching tape

by cclist＠sydex.com

I was cleaning the head on one of my 9-track drives and used a tape that I've had around for while to check my work. It's labeled VAX-11 FORTRAN FORT046.A and seems to be backup tape for VAX FORTRAN 4.0. Total length is only about 750KB. Anyone interested in the contents before I scratch the tape? --Chuck

13 years, 1 month

SelectaDock I

by BHuntsman＠mail2.cu-portland.edu

Hi! I know they're not quite classic as some of the other systems discussed on this list, but anyone have a SelectaDock I in decent condition they'd like to part with? Thanks in advance! -Ben

13 years, 1 month

PDP-11/20 and KE11 (was Re: 11/35 questions)

by ethan.dicks＠gmail.com

On Fri, Feb 8, 2013 at 1:41 PM, Dave McGuire <mcguire at neurotica.com> wrote: > Ahh, if the KE11-B will run in an 11/20, then I'll be hanging onto one > of them, as I'm working on getting an 11/20. It will work in pretty much everything, AFAIK, since it's a peripheral not a "CPU extension". The KE11-A is functionally identical but built on the backplane peripheral model of the 11/20 and rare enough that I never figured on running across one I could get. I know that there's an occasional KE11-B running around since it's a single card. > I'd love to see v1 UNIX running on real iron. Me too. It's no big shake to run it on a real PDP-11 - as long as you have a KE11 of some kind in there _and_ you have matching peripherals for the 1972-era code. I haven't tried it, but I would be surprised to learn that you couldn't get v1 UNIX working on an 11/04 (peripheral issues aside). What I really want to do (and it sounds like you do too) is to run v1 UNIX not just on real iron, but the on the closest approximate I can manage of what was used in 1972. Step one is to get the 11/20 doing *anything*. Step two is to get the 11/20 running with RK05s. Then I can start to consider how I would either provide a register-compatible swap device or how much coding changes I'd have to tackle to get v1 code to use some _other_ swap device. Once I have a plan for how to provide swap, _then_ it's worth looking in all seriousness for a KE-11. Many steps to go before I have anything to purchase. Lots to fix and play with. -ethan

13 years, 1 month

Using two RL02 drives on OS/8?

by charlesmorris800＠centurytel.net

At 01:27 AM 2/9/2013, Charles wrote: >I tried this program tonight, after making up a new ribbon cable that >had some mechanical damage which I was *hoping* would fix things :P > >A very interesting result - when I hit run, BOTH drives started >seeking and eventually Drive 1 faults. If I unload one of the drives, >the other one seeks when the test program is run. Doesn't matter if >unit 0 or 1 is the active drive! > >Time to start chasing a hardware (drive select) problem I guess... >sigh. Nothing like 30-40 year old hardware... That's what I was worried about. You're lucky that it hasn't scrambled the OS on your drives. :) >-Charles > >ps I think your "assembly listing" has a bug, at 0221 shouldn't that >read JMP 0204? Yup. The original for this (from the RL01/02 pocket service guide) didn't have anything to do a drive select so I added it in. That shifted everything, leading to all the offsets shifting. I missed fixing the comment there, but jmp to 0204 is correct. -Rick I'm pulling my hair out... I disconnected the 2nd drive and now just have one RL02 attached to my RL8A, with a terminator. A bit of background - I could not find a cable that goes from the 40 pin header on the controller card to the first drive, so I made one out of ribbon cable and IDC headers, removing the first external connector and just using headers as it does inside the drive. Now I'm beginning to wonder if the original cable has a "twist" somewhere in the drive selects like the old PC floppy cables, because... Although I can set and reset the two drive select bits on the RL8A, and the 75113 line drivers also change state appropriately, those signals are not reaching the correct place on the logic board inside the RL02! At the 75107 line receivers (E57), those two bits are always logic 00, i.e. drive 0. So the drive won't select at all unless I put the Unit 0 plug in, at which point it effectively ignores the drive select bits and always selects regardless of the state of those two bits at the controller. Confirming that the drive select lines are dead. The only thing between the line drivers and receivers is 6' of ribbon cable. It leaves the RL8A on J1 header pins TT, SS, RR, PP and is supposed to enter the RL02 logic board on J12 header pins C, D, E, F which accounts for the cable being reversed. Just in case I even tried flipping the header connector around and of course the drive won't load or work at all and the Fault light stays on, so I know I have it facing the right way. Unless it's possible to make a cable upside down and backwards, or some such? This setup DID previously run OS/8, ADVENT, FOCAL, whatever was on the pack, but only using one of the RL02's (I don't think I was ever able to access the other drive). I can't think of anything that could "lose" the drive select lines except a defective cable (will continuity-check tomorrow, even though I made a new one by copying the old one that used to work) or else the correct cable (BC80J-20) is not a straight-through pin for pin connection, in which case I have to have one. Just to further confuse things, I have the identical two-drive setup with homemade controller-to-drive cable on my 11/23+ and RLV11 card, and it works perfectly. So now I'm just going in circles... that's enough for tonight!

13 years, 1 month

networking via SCSI?

by cctech＠beyondthepale.ie

> Not to mention that CI doesn't support a bus > topology, only a star. And a CI network is limited to a 90m radius, > while Ethernet was designed for a maximum station separation of 2.5Km. > So please remind me again just exactly what is so similar between CI and > Ethernet? I thought a CI coupler was mostly a transformer. If so, would a CI network not behave much like a bus, even if it didn't look like one? A lot more like a bus I would have thought than modern ethernet which neither looks nor behaves like a bus. (Not that I'm worried about whether CI is like Ethernet or not...) Regards, Peter Coghlan.

13 years, 1 month

Last of Don Maslin's collection available

by aek＠bitsavers.org

Another curator and I went to San Diego on Thursday and finished sorting the collection for Deborah. There are several S-100 systems, terminals, a metal case Commodore PET, Tek 4012, and many, many S-100 boards that were out of CHM's collecting scope that are available. We ended up taking about 6 pallets of stuff, most of the documentation and software and a few systems that we didn't already have in the colleciton. If you forward your email adr to me I will forward it on to her. We suggested eBaying them, but there may be too many of them to deal with that way. She probably will be reluctant to ship anything large.

13 years, 1 month

Surplus HD's

by curt＠atarimuseum.com

Hi, Looking for HD's for a friend of mine who does repair work on vintage systems and his supply of HD's has dried up so I'm working out a trade with him. Looking for: 3.5" SCSI HD's in small sizes (40, 80, 120MB sizes) 2.5" IDE HD's in small sizes (40, 80, 120MB sizes) Looking for around 20 of each type, must be working/tested condition... Would either buy them for $5 ea or work out a trade, email me off-list if you have some or can point me to someone who may have them, thanks. Curt

13 years, 1 month

Using two RL02 drives on OS/8?

by charlesmorris800＠centurytel.net

13 years, 1 month

Vintage era

by rampaginggreenhulk＠yahoo.com

Just one last thing before I utterly let this go (I should think I'm entitled after that lying diatribe) - when o God when will he quit with those goofy cartoons! ------------------------------ On Sat, Feb 9, 2013 9:28 AM PST Liam Proven wrote: >On 9 February 2013 16:44, Doc <doc at vaxen.net> wrote: >> On 2/8/13 8:36 PM, Liam Proven wrote: >> >> >> He doesn't believe in her. The world was made in 6 days by a magic >> sky-pixie. He thinks all those nasty fossil things were laid down in >> the great flood and humans haven't evolved, they were made by the same >> invisible big-old-fairy-with-a-white-beard, just as they are today. >> >> You're wasting your time with this chap; he is both stupid and very >> ignorant, a terrible combination. I mean, come on, he's too dim to >> learn how to quote in an email! >> >> >> >> Why, really, do you believe your vitriol is any less offensive than his? > >I don't. > >But see, it's a bit like this cartoon: >http://www.atheistmemebase.com/2012/03/30/quit-persecuting-us/ > >(For the WWW impaired: a single figure says "god probably doesn't >exist". 50 identical figures shout "stop persecuting us!") > >There are many billions of religious people in the world. *All* of >their beliefs are based on superstition and myth; that is the nature >of religion. None of it can be demonstrated; if it could be, it would >not require faith and it would no longer be religion. > >The religious run most countries; their houses of worship line the >streets of every city. You cannot be a Girl Guide or a Boy Scout >without making obeisance to their invisible friends. In many >countries, mine included, you cannot sing the national anthem without >invoking some religion's mythical deity. > >But the minority of us who are free of this kind of mental infection >and who actually base our worldview on facts and reason just >occasionally open our mouths and point out that the claims of the >religious are ridiculous, that when held up to the light of day, they >are self-evident nonsense, *we* are the ones who get attacked for >oppression. > >No. I am not oppressing anyone. > >The christians, muslims, jews and so on oppress billions. Don't accuse >me. If they still had the power they once had, they would torture me >to death. All I do is point out that their belief is a >self-inconsistent travesty. They killed millions in the name of their >illusory magic sky-pixie. People are still killed daily over it. > >This man believes in a series of ridiculous fairy-stories that no >unbrainwashed person would believe. He has personally attacked me on >this mailing-list for not sharing his delusions. He has personally >emailed me to mock my reasoned, evidence-based, factual, materialistic >outlook and to try to infect me with his sick twisted death-cult. His >death-cult which involves images of pain and death as its leitmotif; >adherents of which adorn themselves with little effigied of a dying >man, or with pictures of an instrument of torture. > >It is sick, horrible, and wrong. It distorts minds, destroys lives, >robs people of their freedom to express their sexuality, it denies gay >people the same rights as straights, it denies women reproductive >freedom. Related sects routinely mutilate the genitals of infants. > >They are all abhorrent, disgusting cults and the sooner the world is >rid of them the better. > >And no, I will not shut up about it, and no, I am not ashamed of it, >and if I my stating these blatant and self-evident truths offends >people, well, *good.* I am offended by their superstition and what it >makes them do. It made me think. Perhaps being offended will make them >think, too. > >Being offended never hurt or injured anyone. Being offended is good >for you. It challenges you, makes you question things. > >> I'm not Christian (my faith is neither up for discussion not relevant here >> AT ALL), but your hatred and your condescension toward people of a certain >> faith just reek of the same narrow-mindedness of which you accuse them. > >I hate all faiths, pretty much equally. Some are more evil than >others, such as scientology or the jehovah's witnesses or the >christ-scientists - religions which routinely kill children by denying >them medical treatment. > >But they are all mental infections, viral memes that destroy minds and lives. > >It's just that some come up more often than others. I don't pick 'em >out. They self-select. > >-- >Liam Proven ? Profile: http://lproven.livejournal.com/profile >Email: lproven at cix.co.uk ? GMail/G+/Twitter/Flickr/Facebook: lproven >MSN: lproven at hotmail.com ? Skype/AIM/Yahoo/LinkedIn: liamproven >Tel: +44 20-8685-0498 ? Cell: +44 7939-087884 >

13 years, 1 month

Sunstruck/Wanda T-shirt

by cclist＠sydex.com

THe lack of response on this undoubtedly means that its best place is in the rag bag, I suppose. It's good cotton and will make a fine rag with which to wax my car. Oh well, I tried. Must have been an unmemorable release. --Chuck

13 years, 1 month

Vintage era

by rampaginggreenhulk＠yahoo.com

------------------------------ On Fri, Feb 8, 2013 11:42 AM PST Bill Sudbrink wrote: >Fred Cisin wrote: >> >> I blame NIXON >> > >I shouldn't really do this but it's too good to pass... > >It's really Taft's fault. Look do your research. The problem can readily be traced back to Henry VIII. But Tutankahmen really REALLY started it all. And thanks for the diversion Bill. I was all geared up to jump on Freddy's response. But of course he's right in that dead presidents are far more to blame then any living ones.

13 years, 1 month

Using two RL02 drives on OS/8?

by charlesmorris800＠centurytel.net

I tried this program tonight, after making up a new ribbon cable that had some mechanical damage which I was *hoping* would fix things :P A very interesting result - when I hit run, BOTH drives started seeking and eventually Drive 1 faults. If I unload one of the drives, the other one seeks when the test program is run. Doesn't matter if unit 0 or 1 is the active drive! Time to start chasing a hardware (drive select) problem I guess... sigh. Nothing like 30-40 year old hardware... -Charles ps I think your "assembly listing" has a bug, at 0221 shouldn't that read JMP 0204? On Feb 6, 2013, at 5:21 AM, Rick Murphy wrote: > Here's something you can try to verify that your disks are properly > hooked up. It's the oscillating seek toggle-in for the PDP-8 > modified to allow the unit to be selected. You can toggle it in via > ODT and let it fly - it'll seek the drive back and forth. If this > works on drive 1, then you've got an OS/8 driver that isn't sending > out the select properly. > > 0200 7201 CAF (Reset) > 0201 1230 TAD 0230 - Get drive select > 0202 6604 Load command register b - select drive > 0203 1231 Loop: TAD 0231 - get number of cylinders to seek > 0204 4222 JMS 0222 - Wait for ready > 0205 3226 DCA 0226 - Store cylinder number > 0206 1226 ISZ 0226 - Increment it > 0207 6603 Load command register A - seek > 0210 7325 Seek command (0003) > 0211 6604 Load command register B > 0212 4222 JMS 0222 - Wait for ready > 0213 7307 Read header command (0004) > 0214 6604 > 0215 1226 TAD 0226 - Get seek value > 0216 1227 Change direction > 0217 7500 SZA CLA > 0220 5203 JMP 0203 - Back to start > 0221 5204 JMP 0205 - Loop > > 0222 0000 Wait subroutine > 0223 6601 RLSD - skip if done > 0224 5223 JMP .-1 > 0225 5622 JMP I 0221 > > 0226 0000 Temp > 0227 4000 Constant > 0230 0100 Drive one > 0231 0200 Number of cylinders to seek >

13 years, 1 month

Available S-100 PCBs

by LYNCHAJ＠YAHOO.COM

Hi There are three (3) S-100 Regular Prototyping board PCBs and eight (8) S-100 LAVA PCBs still available aka "Basic S-100 Prototype Board" (scroll down to the second board description). These are going fast so please act soon if you would like one or more. Approximately 90% of the boards have already gone to their builders. http://s100computers.com/Cards%20For%20Sale.htm http://n8vem-sbc.pbworks.com/w/browse/#view=ViewFolder&param=S-100%20regular %20prototyping%20board S-100 LAVA PCB is for a VGA monitor compatible display. Uses Mylium LAVA-10 chip module (based Spartan-3 FPGA) http://www.mylium.es/pages/en/lava_10.html http://s100computers.com/My%20System%20Pages/Lava-10%20Board/LAVA-10%20Board .htm The S-100 LAVA works fine and does what it was designed to do quite well. However, in my personal opinion the S-100 LAVA capability has been barely even touched since the current software uses the board as a VGA monitor compatible text terminal replacement. I believe it is capable of quite a bit more text and graphics capability with further developed software. The S-100 LAVA is capable of 800x600 @ 16 bit display (65536 colors -- RGB565) with 32MB of SDRAM and 8 MB of Flash it should be easily capable of being an X-Window server and who knows what else. It makes a logical pairing with upcoming S-100 80386 CPU and S-100 68K CPU board PCBs currently in development. These PCBs are $20 each plus $3 shipping in the US and $6 elsewhere. Please send a PayPal to LYNCHAJ at YAHOO.COM and I will send your boards right away! Thanks and have a nice day! Andrew Lynch

13 years, 1 month

Lots of goodies for sale

by slandon110＠gmail.com

Got the following for sale DayStar Turbo040 Card with Mac IISI Adapter, works in Mac IIci, SE/30 and IIsi $150 shipped Apple IIGS Monitors $50 shipped each PowerMacs of all sorts $50 each shipped- got at least 50 Tell me what model you want I probably have it 68k Macs of all sorts $50 each shipped- Tell me what model you want and I probably got it G4 Upgrade Card for PowerMac 7300-9600 Makes it a G4 450mhz $35 shipped RAM Lots of 30 pin 4MB SIMMS $20 bucks shipped for a small flat rate box full of it 50 pin SCSI Hard Drives- All sizes from 20MB up to 4GB $20 Each shipped IBM Type 7204 Model 409 9.1GB External SCSI Hard Drive for AS/400 $30 shipped LaCie 9GB External SCSI Hard Drive $30 shipped Sun Optical Mice- $10 each shipped eBay feedback upon request, PayPal only Thanks Steve

13 years, 1 month

networking via SCSI?

by jeffj＠panix.com

Long ago when SCSI was young and just an 8 bit parallel bus, Ampro littleboards advocated using the SCSI bus for peer to peer communications, not just master/slave. Did anyone else do that? A fellow contacted me with this problem: I have a couple of Kurzweil synthesizers (/samplers/sequencers): K2000RS and K2600X . They have integrated floppy and SCSI HDDs for storing configuration, composition and audio sample data. They're actually 68000 CPUs with a Kurzweil OS, managing IO among peripherals (keys, SCSI, display LCD, MIDI, etc) and several proprietary DSPs. But there's no serial/network/etc IO. I'm interested in trying to use their SCSI to interface them with a (Linux) PC somehow. Any ideas? Like maybe some webpages describing projects that have networked older (preferably 68xxx) CPUs over their shared SCSI bus. My understanding is that a Kurzweil and a Mac were sometimes configured each as a SCSI device on the same SCSI bus as the HDD, and either host could alternate accessing the HDD once the other host was no longer issuing potentially conflicting SCSI commands to the HDD. I don't see how just read commands could conflict, but perhaps the HDD wasn't able to multiplex commands targeting different hosts in any overlap. But evidently people were transferring samples between Kurzweil and Mac this way. [I replied privately about the problem of multiple machines sharing a drive even if one is read-only] any clues or hints? thanks -- jeff jonas

13 years, 1 month

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test-drb