Rob Doyle wrote:
> Camiel Vanderhoeven wrote:
>> The microcode for the MicroVAX 2 (for which the MICRO2 assembler was
>> used) and the CVAX (which is the CPU in your 3800) is implemented as
>> a mask ROM on the CPU chip itself. No way to change it, and no way
>> you can use MICRO2 to assemble the
Correction to URLs:
The introductory page for my Virtual Warehouse of Computing Wonders is here:
https://docs.google.com/spreadsheets/d/1I53wxarLHlNmlPVf_HJ5oMKuab4zrApI_hiX0pNmy48/edit#gid=0&range=A1
New items are listed here:
https://docs.google.com/spreadsheets/d/1I53wxarLHlNmlPVf_HJ5oMKuab4
Hi Folks.
I've reorganized my sales listings into a Google Sheets set. The
introductory page is here:
https://docs.google.com/spreadsheets/d/1I53wxarLHlNmlPVf_HJ5oMKuab4zrApI_hiX0pNmy48/edit#gid=0
Use the tabs on the bottom of the sheet to navigate to the various "rooms".
New items have been a
On 06/04/2018 09:09 PM, Alan Frisbie via cctalk wrote:
To estimate postage, I am in Los Angeles, California.
Since several people have already indicated interest, I will wait
until the digest goes out tomorrow to give those people a chance.
Then I will put the names in a hat and have my wife dra
To estimate postage, I am in Los Angeles, California.
Since several people have already indicated interest, I will wait
until the digest goes out tomorrow to give those people a chance.
Then I will put the names in a hat and have my wife draw one.
I'm very happy that I won't have to toss this in
I think that you forgot to say where you are
-Messaggio originale-
Da: cctalk [mailto:cctalk-boun...@classiccmp.org] Per conto di Alan Frisbie
via cctalk
Inviato: martedì 5 giugno 2018 01:59
A: cctalk@classiccmp.org
Oggetto: WRQ Reflection 4+ DOS
While cleaning out my office, I found a br
On 06/04/2018 07:58 PM, Alan Frisbie via cctalk wrote:
While cleaning out my office, I found a brand new, unopened copy
of WRQ Reflection 4+ version 5.0 for DOS. It provides (per the
box):
Accurate emulation of Digital VT340, VT320, VT220, VT241, VT102,
and VT52 terminals, with VT420 featu
While cleaning out my office, I found a brand new, unopened copy
of WRQ Reflection 4+ version 5.0 for DOS. It provides (per the
box):
Accurate emulation of Digital VT340, VT320, VT220, VT241, VT102,
and VT52 terminals, with VT420 features.
Windows-like interface with pull-down menus and
On 06/04/2018 11:20 AM, Rich Alderson via cctalk wrote:
> For decades, I remembered the lowest density for magnetic tapes as 225
> bits/in,
> not 200. I have never been able to find the number "225" in any manual since
> starting the project which became the museum 15 years ago (sob!), but it st
> On Jun 4, 2018, at 1:17 PM, Robert Armstrong via cctalk
> wrote:
>
> ... FWIW, I have a 725 complete and working. Well, except for the RC25,
> which never worked even when they were new.
Hm. I remember some RC25s on RSTS, and they seemed to be ok. The fact that
they had two drives on
From: Shoppa, Tim
Sent: Sunday, June 03, 2018 10:35 AM
> The 729 CE manual quotes 555 BPI. I’m not sure when it became 556.
> http://bitsavers.trailing-edge.com/pdf/ibm/magtape/729/223-6845_729_CEman_1959.pdf
> The IBM 728 was 248 BPI. Before that it was the nice round number 200 BPI.
> I tried
On 5/26/2018 3:15 PM, Dave Wade via cctech wrote:
> Folks,
>
>
>
> Well in case any one has the slightest bit of interest, I have now plugged
> the RAID card back in and after replacing on of the drive carriers I can get
> five of the six drives to spin up. Its now copying stuff to
> Ethan Dicks wrote:
>We used to purchase 11/725s for parts to keep our 11/730 running.
I remember when the 725 first came out. I was working for DEC at the time,
and up until then the only VAXes I'd ever seen were 780s. Somebody rolled this
little end table sized thing into the lab and sai
On Mon, 4 Jun 2018 at 09:40, Dave Wade via cctalk wrote:
> Just to say I now have a bootable copy of the OS on SD card.
Well done!
> I got caught out because OS2 wildcarding works like UNIX wild carding, not
> MSDOS wild carding.
> So in order to back up the "C" drive you need "XCOPY C:\* ..
> > Either way, COOL!!!
> >
> > It sounds like you're doing some good computer archaeology /
> preservation.
> >
Just to say I now have a bootable copy of the OS on SD card. I got caught out
because OS2 wildcarding works like UNIX wild carding, not MSDOS wild carding.
So in order to back up the "
If anyone is interested, I just published a few videos showing my testing
of PlastiBands for QIC Tape Cartridge replacement.
https://youtu.be/irOrR-ZYwjw
and
https://youtu.be/GVsYHLvCvZY
A special thank you to CuriousMarc, Al Kossow, and Chuck(G) for their help,
leadership and inspiration in th
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