Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

> One of my Fall projects is to figure out why my Data I/O 29A isn't > working. It's been sitting for years and when I got it out last year, > it didn't pass self-test. I need to spend some time looking over the > posts in that group to see if my symptoms are common. The diagnostics are pretty

Re: Toad1 XKL version of TOPS20 v7

> Date: Tue, 21 Sep 2021 15:26:43 -0400 > From: Bob Smith via cctalk > I have noted that the Computer History Museum has a number of donations from > XKL re Toad1. Look again. That system, the documentation, and the backup tapes, were donated by HEWLETT-PACKARD CORPORATION, not by XKL. Tim

Re: R.I.P. Clive Sinclair

I have a version of a full size 8" floppy drive footprint (or hard drive) which is wafer scale storage. thanks Jim On 9/21/2021 3:00 PM, Jecel Assumpcao Jr via cctalk wrote: An interesting project that Sir Clive was involved in was the wafer scale integration effort by Ivor Catt.

Re: R.I.P. Clive Sinclair

Fred Cisin wrote on Sat, 18 Sep 2021 13:45:04 -0700 (PDT) > On Sat, 18 Sep 2021, dwight via cctalk wrote: > > Of course, Busicom was the first programed microprocessor driven > > calculator, it wasn't the first calculator using calculator ICs. That is > > what Busicom was trying to compete with,

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

On Tue, Sep 21, 2021 at 4:37 PM Jonathan Chapman via cctalk wrote: > > The DEC-badged Data-IO " on eBay is tempting, but expensive, and I don't > > know where to find software. > > If it is just a regular Data I/O underneath, head over to the groups.io page: > > https://groups.io/g/DataioEPROM/

Re: PDP-11/73 boot issues

Pete Turnbull via cctalk writes: > On 21/09/2021 20:34, Chris Zach via cctalk wrote: >> Can an MXV11 be used in a 22 bit system? I thought it was an 18 bit >> device? > > MXV11-B is 22-bit. MXV11-A is 18-bit but supposedly can be used in a > 22-bit system if the RAM is disabled. Yeah this is

Re: PDP-11/73 boot issues

On 21/09/2021 20:34, Chris Zach via cctalk wrote: Can an MXV11 be used in a 22 bit system? I thought it was an 18 bit device? MXV11-B is 22-bit. MXV11-A is 18-bit but supposedly can be used in a 22-bit system if the RAM is disabled. -- Pete Pete Turnbull

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

On Tuesday, September 21, 2021, 01:37:28 PM PDT, Jonathan Chapman wrote: >> The DEC-badged Data-IO " on eBay is tempting, but expensive, and I don't >> know where to find software. >If it is just a regular Data I/O underneath, head over to the groups.io page: >

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

> The DEC-badged Data-IO " on eBay is tempting, but expensive, and I don't know > where to find software. If it is just a regular Data I/O underneath, head over to the groups.io page: https://groups.io/g/DataioEPROM/ Thanks, Jonathan

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

On Tuesday, September 21, 2021, 05:39:23 AM PDT, Holm Tiffe via cctalk wrote: >I've tried this almost 2 years before..and it worked "somewhat". >An VS2000 booted up in the first stage but the NetBSD Kernel couldn't >mount root since nothing in the loader expected a disk at the NCR SCSI

Re: PDP-11/73 boot issues

Can an MXV11 be used in a 22 bit system? I thought it was an 18 bit device? That could cause all sorts of hilarity. C On 9/21/2021 3:21 PM, Aaron Jackson via cctalk wrote: This is an interesting amount of physical memory to report (1152K). What memory board(s) do you have installed? Other

Re: Toad1 XKL version of TOPS20 v7

On 9/21/21 12:31 PM, Al Kossow via cctalk wrote: On 9/21/21 12:26 PM, Bob Smith via cctalk wrote: I have noted that the Computer History Museum has a number of donations from XKL re Toad1. Rich Alderson might be the resident expert for this set of questions. Why would you think that? CHM !=

Re: Toad1 XKL version of TOPS20 v7

On 9/21/21 12:26 PM, Bob Smith via cctalk wrote: I have noted that the Computer History Museum has a number of donations from XKL re Toad1. Rich Alderson might be the resident expert for this set of questions. Why would you think that? CHM != LCM+L

Toad1 XKL version of TOPS20 v7

I have noted that the Computer History Museum has a number of donations from XKL re Toad1. Rich Alderson might be the resident expert for this set of questions. two questions are thus prompted, and a third teased. 1. Does that XKL version run on the KLH10 emulator? 2. Is the tape CHM has been

Re: PDP-11/73 boot issues

> > This is an interesting amount of physical memory to report (1152K). What > memory board(s) do you have installed? > > Other than that, this output looks sane to me. I'd suggest booting XXDP > and running CPU, memory diagnostics from there. > > - Josh Thanks, I forgot about XXDP. I have ran

Re: PDP-11/73 boot issues

On Tue, Sep 21, 2021 at 12:05 PM Aaron Jackson via cctalk < cctalk@classiccmp.org> wrote: > Hi all, > > My PDP-11/73 has started misbehaving after several years of being very > stable. It is showing symptoms similar to when I've forgotten to enable > the LTC in the past, except this time, it is

PDP-11/73 boot issues

Hi all, My PDP-11/73 has started misbehaving after several years of being very stable. It is showing symptoms similar to when I've forgotten to enable the LTC in the past, except this time, it is enable. Power supply seems good - +5V, +12V, all seems there and appears to be stable. I've probed

Re: VAXstation 100 ROM image

On Tue, Sep 21, 2021 at 2:04 PM Josh Dersch via cctalk wrote: > (DEC did make a Unibus to Qbus adapter, the DW11-B, but it was unrelated to > the VS100) Yes. I have one. It came in a PDP-11/34 so they could install an IBV11 on a Unibus machine for a Physics Department. Much older than the

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

On Tuesday, September 21, 2021, 11:02:38 AM PDT, Antonio Carlini via cctalk wrote: > My recollection is that the MicroVAX 2000 SCSI isn't complete and was > only intended for the tape unit. Whether its performance beats an RD54 > will be interesting to see. The ROM/VMB support certainly

Re: VAXstation 100 ROM image

On Tuesday, September 21, 2021, 11:04:22 AM PDT, Josh Dersch wrote: [...] >No, there's no QBus involved here.  The M7452 "UNIBUS Window Module" connects >the VS100 to the VAX via a fiber-optic link. thanks for the correction. I wonder what I was mis-remembering. maybe a QBus-to-Unibus?  

Re: VAXstation 100 ROM image

On Tue, Sep 21, 2021 at 10:43 AM Jonathan Stone via cctalk < cctalk@classiccmp.org> wrote: > > > On Tuesday, September 21, 2021, 10:17:33 AM PDT, Chris Zach via cctech < > cct...@classiccmp.org> wrote: > > > > How the hell did I miss *that*? Cool beans device, I've never heard of a > > VS100. Was

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

On 21/09/2021 18:38, Jonathan Stone via cctalk wrote: (At least for Qbus. At eBay prices, even RQDX3 plus distribution panel plus emulator, is cheaper than bootable SCSI controller plus SCSI emulator). SCSI performance will still be better. My recollection is that the MicroVAX 2000

First SCSI HDD - Priam 806 8-inch?

It turns out the Priam 806 8-inch SCSI HDD circa 1984 is likely the first HDD to have a native SCSI interface. It shipped a few months before the Xebec Owl which is likely second. AFAIK all earlier units had a bridge controller to a more conventional interface. If anyone has any different

Re: VAXstation 100 ROM image

On Tuesday, September 21, 2021, 10:17:33 AM PDT, Chris Zach via cctech wrote: > How the hell did I miss *that*? Cool beans device, I've never heard of a > VS100. Was it in a Rainbow sized box or a Pro/350 box? If old memories serve, you'd also need the Unibus-to-Qbus converter. I recall a

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

On Tuesday, September 21, 2021, 09:15:20 AM PDT, Paul Koning via cctalk wrote: >> On Sep 21, 2021, at 12:00 PM, Jonathan Stone via cctalk >> wrote: >> >> The RD53s in both Microvax 2000s are dead. I'm reluctant to buy more 30+ >> year old rotating media. >> If I'm going to buy a disk

Re: Data General Terminal Question

On Tue, 21 Sept 2021 at 19:06, Mike Nealey via cctalk wrote: > > Hi! > > Sorry for the slow reply. I have attached some pictures of the terminal. > Thanks for your help!! It looks like you may be new to mailing lists. You should bottom-post -- i.e. your reply goes _underneath_ the trimmed text

Re: VAXstation 100 ROM image

On 9/21/21 9:58 AM, Chris Zach via cctalk wrote: How the hell did I miss *that*? Cool beans device, I've never heard of a VS100. Was it in a Rainbow sized box or a Pro/350 box? Smaller. I have access to one to take pictures and dump the firmware

Re: VAXstation 100 ROM image

On Sep 21, 2021, at 10:10 AM, Josh Dersch wrote: > > On Tue, Sep 21, 2021 at 10:04 AM Zane Healy via cctalk > wrote: > I’m rather wondering how I missed that Auction. That’s the first time I’ve > ever seen any photos of a VS100. I believe it required a UNIBUS

Re: VAXstation 100 ROM image

On Tue, Sep 21, 2021 at 10:04 AM Zane Healy via cctalk < cctalk@classiccmp.org> wrote: > I’m rather wondering how I missed that Auction. That’s the first time > I’ve ever seen any photos of a VS100. I believe it required a UNIBUS card > to connect it to the VAX. > Yes, with a fiber optic link;

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

On Tue, Sep 21, 2021 at 9:00 AM Jonathan Stone via cctalk wrote: > > One of the reasons I got the 2000s is to format MFM drives for an RQDX3 (I > don't have any PDP-11 CPUs). I have a CMD CQD-420 Qbus SCSi controller, and > an MTI almost-equivalent. I've seen Glen Slick's reverse engineering

Classic sale/give-away Jefferson, WI USA

Re: cctech Digest, Vol 84, Issue 14

Per https://www.tuhs.org/cgi-bin/utree.pl?file=2.9BSD/usr/doc/2.9_kernel.ms 2.9BSD had a driver for it. On 9/20/21, cctech-requ...@classiccmp.org wrote: > Send cctech mailing list submissions to > cct...@classiccmp.org > > To subscribe or unsubscribe via the World Wide Web, visit >

Re: DEC ML11

Oh *NEAT* I've heard about that, it was a Massbus device and I always wondered: Did it just go into the Massbus slots or does it have the big bulkhead and all connecting it to the 70? And of course: Can it do 18 bit mode for a KS10? Any pics and such would be good. C On 9/20/2021 10:47 AM,

DEC ML11

I've been working on a newly donated PDP 11/70 at the LSSM. I just discovered it has a ML11 --- an early Solid State Disk. Does anyone know of any schematics, user guides, etc? Thanks!

Re: Data General Terminal Question

Hi! Sorry for the slow reply. I have attached some pictures of the terminal. Thanks for your help!! > On Sep 10, 2021, at 5:06 PM, Bruce Ray via cctech > wrote: > > I am not aware of any 'standard' Data General CRT terminal with a model > number greater than 1400 - but I recall the 52xx

Re: HP 5061-3476: Which boards go where

Ah ok. So that first transistor on Q6 serves as a chopper to double the DC voltage up to 360v when using 120. When you reconfigure the jumpers for 240 you basically bypass that thing. I have 240 in my shed so I'll start by seeing if there is 360v on the input rail. If not then I'll re-jumper

HP-UX on HP 9000/217

Hey all, According to http://bitsavers.trailing-edge.com/pdf/hp/9000_200/9000-200_periphSupp_Dec89.pdf (see PDF page 2), it seems as if HP-UX 5.1 should work on the 9000/217. http://hparchive.com/Catalogs/HP-Catalog-1986.pdf also seems to confirm this (PDF page 71 under Series 200 Bundled

Re: Wanted: Sun Sparcstation Classic/LX PS Fan

Hi Malte, Thanks. Yes, I saw the datasheet. Unfortunately it's an obsolete fan and Nidec doesn't seem to have a replacement in their newer lines. However the 4 wire version model E34386 with speed sensing has similar characteristics and there are several on eBay. Looking at the fan curves however,

Re: HP 5061-3476: Which boards go where

On Saturday, September 11, 2021 at 21:31, Chris Zach via cctech wrote: > Ok, thanks! You're welcome. > I just tried mine again, it's a dud so I am going to have to figure it > out. First step was to see if the rectifier had any voltage so I > disconnected the + side and checked it with a

Re: VAXstation 100 ROM image

I’m rather wondering how I missed that Auction. That’s the first time I’ve ever seen any photos of a VS100. I believe it required a UNIBUS card to connect it to the VAX. Zane > On Sep 21, 2021, at 9:58 AM, Chris Zach via cctalk > wrote: > > How the hell did I miss *that*? Cool beans

Re: VAXstation 100 ROM image

How the hell did I miss *that*? Cool beans device, I've never heard of a VS100. Was it in a Rainbow sized box or a Pro/350 box? C On 9/21/2021 12:35 PM, Glen Slick via cctalk wrote: On Tue, Sep 21, 2021 at 9:10 AM Lars Brinkhoff via cctalk wrote: Hello, Does anyone have a (set of) ROM

Re: VAXstation 100 ROM image

On Tue, Sep 21, 2021 at 9:10 AM Lars Brinkhoff via cctalk wrote: > > Hello, > > Does anyone have a (set of) ROM image(s) for the VAXstation 100? > It might be interesting to attempt an emulator. Did someone on the list buy this one? That was the only one that I have noticed for sale on eBay

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

On 9/21/2021 12:00 PM, Jonathan Stone wrote: The RD53s in both Microvax 2000s are dead. I'm reluctant to buy more 30+ year old rotating media. If I'm going to buy a disk emulator, I'd much prefer SCSI to MFM, for the obvious performance reasons. Been thinking about that: I'm tempted to open

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

> On Sep 21, 2021, at 12:00 PM, Jonathan Stone via cctalk > wrote: > > The RD53s in both Microvax 2000s are dead. I'm reluctant to buy more 30+ year > old rotating media. > If I'm going to buy a disk emulator, I'd much prefer SCSI to MFM, for the > obvious performance reasons. Emulators

VAXstation 100 ROM image

Hello, Does anyone have a (set of) ROM image(s) for the VAXstation 100? It might be interesting to attempt an emulator.

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

The RD53s in both Microvax 2000s are dead. I'm reluctant to buy more 30+ year old rotating media. If I'm going to buy a disk emulator, I'd much prefer SCSI to MFM, for the obvious performance reasons. Reseller price for a Maxtor XT-2190 (RD54) is just over US $1000. Disk Emulators are

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

He could also just fix the RD53 and boot off that, then transfer to the much faster SCSI. I still keep the RX02's around on my pdp11 because I can boot BRU64k for tape backups. It works. :-) On 9/21/2021 10:39 AM, Peter Coghlan via cctalk wrote: If you want to try other options, maybe you

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

Jonathan Stone wrote: > > I recently rescued two Microvax-2000s but both have dead RD53s.  Does > anyone have a ROMable image of the Microvax 2000/Vaxstation 2000 boot-PROM > patches from Wolfgang Moeller at http://ftp.gwdg.de/pub/vms/pk2k/ ?  � > I'm looking to install NetBSD, not VMS and I

Re: Classic sale/give-away Jefferson, WI USA

On Sep 21, 2021, at 5:35 AM, Bill Gunshannon via cctalk wrote: >> Sadly don't know of much in the OVMS sphere, the openvmshobbyist forum >> is basically dead now. > > Still have comp.os.vms > > bill Oddly enough, Facebook is also a good place for DEC and OpenVMS. Though I definitely prefer

Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

Jonathan Stone via cctalk wrote: > I recently rescued two Microvax-2000s but both have dead RD53s.  Does anyone > have a ROMable image of the Microvax 2000/Vaxstation 2000 boot-PROM patches > from Wolfgang Moeller at http://ftp.gwdg.de/pub/vms/pk2k/ ?   I'm looking to > install NetBSD, not VMS

Re: Classic sale/give-away Jefferson, WI USA

On 9/21/21 8:16 AM, Scott Quinn via cctalk wrote: Other places to post this: Sun Help Rescue list - mostly Sun but there is interest in other stuff too. http://www.sunhelp.org/mailman/listinfo/rescue http://www.irixnet.org/ , forum not mailing list but seems to have taken over from Nekochan

Re: Classic sale/give-away Jefferson, WI USA

Other places to post this: Sun Help Rescue list - mostly Sun but there is interest in other stuff too. http://www.sunhelp.org/mailman/listinfo/rescue http://www.irixnet.org/ , forum not mailing list but seems to have taken over from Nekochan for SGI stuff. Sadly don't know of much in the OVMS

Re: Micropolis 1525 stuck heads

I have about a dozen or so 1325,1335, and 1355 drives here, also some earlier ones (some have the DEC label) RD50, 51,52, and even a few 54s. If anyone is interested, please contact me off list. Thanks, Paul On Mon, Sep 20, 2021 at 1:14 AM Chris Zach via cctalk wrote: > That is

RE: Burnable, patched Microvax-2000 SCSI-boot EPROM images?

> -Original Message- > From: Ethan Dicks > Sent: 21 September 2021 06:39 > To: Dave Wade ; General Discussion: On-Topic > and Off-Topic Posts > Cc: Jonathan Stone > Subject: Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images? > > On Mon, Sep 20, 2021 at 5:24 PM Dave Wade G4UGM