Re: more vintage computer stuff

2016-07-26 Thread Pete Lancashire
Hello I would like to see a copy Thanks -pete On Tue, Jul 26, 2016 at 4:18 PM, Electronics Plus wrote: > Another fellow is slimming his warehouse. There are 4 pallets, and I have a > spreadsheet. Every item has been tested, and there are comments, from "Works > OK" to "loud noise and smells bu

VT2xx simulation with SIMH

2016-07-26 Thread Al Kossow
Related to the RT-11 discussion, there is currently work going on to have a simulated VT240 in MAME working with RT-11 running in SIMH. http://forums.bannister.org/ubbthreads.php?ubb=showflat&Number=106655#Post106655

Re: [SPAM key] - Re: memory map for RT-11 v 5

2016-07-26 Thread Don North
On 7/26/2016 7:17 PM, Jerome H. Fine wrote: On Sunday, July 24th, 2016 at 14::29:59 -0700, Don North wrote: >On 7/24/2016 8:06 AM, william degnan wrote: >On Jul 24, 2016 8:58 AM, "Jerome H. Fine" wrote: >On Wednesday, July 20th, 2016 at 18:02:44 - 0400, william degnan wrote: Is there a mi

Re: memory map for RT-11 v 5

2016-07-26 Thread Jerome H. Fine
I forgot to remove the "Spam Key" notice that my ISP puts into most of my e-mail when I replied the first time - I apologize!!! >On Sunday, July 24th, 2016 at 14::29:59 -0700, Don North wrote: >On 7/24/2016 8:06 AM, william degnan wrote: >On Jul 24, 2016 8:58 AM, "Jerome H. Fine" wrote: On

Re: [SPAM key] - Re: memory map for RT-11 v 5

2016-07-26 Thread Jerome H. Fine
On Sunday, July 24th, 2016 at 14::29:59 -0700, Don North wrote: >On 7/24/2016 8:06 AM, william degnan wrote: >On Jul 24, 2016 8:58 AM, "Jerome H. Fine" wrote: >On Wednesday, July 20th, 2016 at 18:02:44 - 0400, william degnan wrote: Is there a minimum memory requirement for RT-11 v5? I wa

Re: Intel 432 floppy flux images for decoding

2016-07-26 Thread Eric Smith
On Tue, Jul 26, 2016 at 8:53 AM, Dennis Boone wrote: > A collection of intel floppies containing software related to the 432 > processor was identified and purchased by Nigel Williams. I made flux > images of the diskettes some time ago, but have failed to assemble the > attention span to decode

Looking for a particular 5.25" floppy drive - Epson SD521

2016-07-26 Thread Adrian Graham
Hi folks, This a long shot but worth an ask. Has anyone got a pair of Epson SD521 5.25" drives going spare? I have two in a Memotech FDX disk subsystem that appear to have gone south on me, and while I can swap out for any other DS/DD drive it'd be nice restore it using original spares. The SD521

more vintage computer stuff

2016-07-26 Thread Electronics Plus
Another fellow is slimming his warehouse. There are 4 pallets, and I have a spreadsheet. Every item has been tested, and there are comments, from "Works OK" to "loud noise and smells burnt". Primarily old Apple gear, but there are also 2 NIB Tandon TM848-E 8" floppy drives. If you want to see the

Re: memory map for RT-11 v 5

2016-07-26 Thread Alex Dumitru
> From: "william degnan" > Subject: Re: memory map for RT-11 v 5 > > Is there a place where one can get RT11 disks for RL02? I only have rt-11 > 5.3 and even with 64K I can't get my system to boot. Everything so far > checks out, I am at a loss to determine the cause of the problem. In simh

Re: IBM 3511

2016-07-26 Thread Louis Ohland
That is a SCSI enclosure built on a 95 frame. https://www.youtube.com/watch?v=az7Sg0EHr5E This made sense with small capacity drives, but when you could stuff 1GB or bigger drives into a 95, it wasn't so appealing. IBM came out with OBI SCSI enclosures that cost less to make. 3517? If you lo

Re: Anyone have a spare PDP-11/84 serial console panel they could part with?

2016-07-26 Thread Glen Slick
This manual shows two ways that the 11/84 console SLU panel can be mounted: http://www.bitsavers.org/pdf/dec/pdp11/1184/EK-1184A-TM-PR2_May85.pdf Page 5-40 (page 245 of the PDF) shows the 11/84 cabinet style console SLU panel where it is mounted on a separate rack width panel across the rear of t

Intel 432 floppy flux images for decoding

2016-07-26 Thread Dennis Boone
A collection of intel floppies containing software related to the 432 processor was identified and purchased by Nigel Williams. I made flux images of the diskettes some time ago, but have failed to assemble the attention span to decode most of them. Technical details: These are 8" diskettes, wri

Re: Anyone have a spare PDP-11/84 serial console panel they could part with?

2016-07-26 Thread Jerome H. Fine
>On Tuesday, July 26th, 2016 at 0:05:48 -0500, Glen Slick wrote: I just acquired a PDP-11/84 that didn't come with a console panel. That should have a 25-pin D-shell connector for the console serial port, a baud rate selection switch, and a forced dialog switch, with a single 20-pin connector fo

Re: Anyone have a spare PDP-11/84 serial console panel they could part with?

2016-07-26 Thread Glen Slick
On Jul 26, 2016 6:11 AM, "Noel Chiappa" wrote: > > >> a baud rate selection switch > > > That turns out to be purely off-board (using a clock on the card, and > > the 'external clock' option on the CPU (same as the 11/23+). > > Ooops, my mistake - I _thought_ it was the same as the -11

Re: Anyone have a spare PDP-11/84 serial console panel they could part with?

2016-07-26 Thread Noel Chiappa
>> a baud rate selection switch > That turns out to be purely off-board (using a clock on the card, and > the 'external clock' option on the CPU (same as the 11/23+). Ooops, my mistake - I _thought_ it was the same as the -11/23+, but now that I look, it brings the baud rate selection

Re: Anyone have a spare PDP-11/84 serial console panel they could part with?

2016-07-26 Thread Noel Chiappa
> From: Glen Slick glen.slick at gmail.com > a PDP-11/84 that didn't come with a console panel. You should be able to get it running without the DEC panel (I have certainly run M8190 cards in an 11/23 chassis, without the front panel); the serial connection is the same as the DLV11-J, e

Re: memory map for RT-11 v 5

2016-07-26 Thread william degnan
On Mon, Jul 25, 2016 at 6:31 PM, Jay West wrote: > WillD wrote... > -- > Is there a place where one can get RT11 disks for RL02? > -- > > Aren't one of these RL02 under RT11/dists? > http://www.classiccmp.org/PDP-11/ > > J > > > Thanks Jay. I can use PDPGUI...assuming my system can build

Re: TU56 Tape Heads

2016-07-26 Thread Paul Koning
> On Jul 25, 2016, at 8:03 PM, Michael Thompson > wrote: > > During our PDP-12 debugging today we found that the left tape head has an > open coil for data track 0. The left head was OK a little more than a year > ago when we found the open coil in the right head. One TU56 head on my > personal

RE: memory map for RT-11 v 5

2016-07-26 Thread Jay West
WillD wrote... -- Is there a place where one can get RT11 disks for RL02? -- Aren't one of these RL02 under RT11/dists? http://www.classiccmp.org/PDP-11/ J

Re: ExpandaCore 18 core memory

2016-07-26 Thread Göran Axelsson
Den 2016-07-25 kl. 14:37, skrev Camiel Vanderhoeven: Op 25 jul. 2016 2:25 p.m. schreef "Göran Axelsson" : My guess so far is that there is a problem with reading and writing to the memory. The problem is that I have no documentation over the memory module except a drawing of the circuitry used

TU56 Tape Heads

2016-07-26 Thread Michael Thompson
During our PDP-12 debugging today we found that the left tape head has an open coil for data track 0. The left head was OK a little more than a year ago when we found the open coil in the right head. One TU56 head on my personal PDP-8/e also had an open coil when I got it. Our guess is the chemica

Re: memory map for RT-11 v 5

2016-07-26 Thread william degnan
Is there a place where one can get RT11 disks for RL02? I only have rt-11 5.3 and even with 64K I can't get my system to boot. Everything so far checks out, I am at a loss to determine the cause of the problem. In simh I can boot 5.3 on a PDP 11/20 emulated with 32K. It must be my system but I