Alright! I booted up RSX11M 4.2 a little bit ago on my 11/23-plus! I had
logged in to one of my Linux machines from my work laptop to run the copy,
and of course they installed Windows updates and it needed to reboot. But I
have a little more than half of the disk image copied over so I was able to
boot it up. Very exciting! I'll start the copy over a bit later in the week
when I can let it run longer. I also have a DECNA card in the machine now
so I can install DECnet and play with that uner RSX. I wish I could install
TCP/IP but I understand the hardware doesn't have the separate I/D space so
it won't work.

Thanks again for all the pointers and tips!

-Peter

On Mon, Oct 21, 2024 at 11:54 AM Peter Ekstrom <epekst...@gmail.com> wrote:

> Awesome! That appears to work. So even though it has the same version
> number as the one I have tried from another git repo, it is different.
>
> Thank you for this information!
>
> -Peter
>
> On Mon, Oct 21, 2024 at 11:10 AM Nadav Eiron <nadav.ei...@gmail.com>
> wrote:
>
>> My 11/23 is not accessible, but I believe I've used this version a couple
>> of years ago (on a Raspberry Pi): https://github.com/drboone/vtserver
>>
>> On Mon, Oct 21, 2024 at 7:45 AM Peter Ekstrom via cctalk <
>> cctalk@classiccmp.org> wrote:
>>
>>> Hmm, not sure why yet, but I'm not able to get vtserver to work. I have
>>> entered the bootcode manually in ODT, and I have had vtserver send it.
>>> It looks like it loads the code and then reads one record but then hangs.
>>> I'm wondering if my version of ODT on the CPU board needs something to be
>>> handled differently.
>>> Btw, the version I have found of vtserver is 2.3.1.5. I can't seem to
>>> find
>>> anything later than that.
>>>
>>> I am going to try PDP11GUI but I am waiting on a supported USB-RS232
>>> adapter to arrive. The ones I have aren't supported under Windows
>>> anymore.
>>> I should have it tomorrow.
>>>
>>> -Peter
>>>
>>> On Sun, Oct 20, 2024 at 9:30 AM Peter Ekstrom <epekst...@gmail.com>
>>> wrote:
>>>
>>> > Aha! Ok great, I need to look closer at those then. Thank you!
>>> >
>>> > On Sun, Oct 20, 2024 at 9:23 AM cz <c...@alembic.crystel.com> wrote:
>>> >
>>> >> use pdp11gui or vtserver. They can use ODT to upload a small program
>>> to
>>> >> the 11 which allows it to send or receive an image to a MCSP or
>>> >> RL/RX/Whatever drive. Can be slow (top speed is 9600 or 19200 baud on
>>> an
>>> >> 11/23) but it does get the job done.
>>> >>
>>> >> C
>>> >>
>>> >>
>>> >> On 10/20/2024 9:02 AM, Peter Ekstrom wrote:
>>> >> > Thank you all for the tips and pointers. I like the idea of pulling
>>> the
>>> >> > image off of my real drive, but how would I transfer it between the
>>> pdp
>>> >> > and my Linux box with Simh? It is too big for the tu58 emulator.
>>> >> >
>>> >> > On Sun, Oct 20, 2024 at 03:15 cz via cctalk <cctalk@classiccmp.org
>>> >> > <mailto:cctalk@classiccmp.org>> wrote:
>>> >> >
>>> >> >      >    If you go this route, be advised, that SIMH creates RD32
>>> disk
>>> >> >     images
>>> >> >      > are not the same size as a real RD32. This will likely cause
>>> >> >     problems
>>> >> >      > when writing a SIMH created image to a real disk (and I'm not
>>> >> >     talking
>>> >> >      > about the additional issues that the trailing metadata on
>>> disk
>>> >> >     images
>>> >> >      > from the Pizzolato version of SIMH can cause - the problem
>>> I'm
>>> >> >      > describing is caused by an incorrect disk size value in
>>> SIMH).
>>> >> >
>>> >> >     True, I think you can get around this by making them  disk in
>>> SIMH a
>>> >> >     couple of blocks smaller.
>>> >> >
>>> >> >     However there is another way. Format your real RD32 with the
>>> RQDX3
>>> >> >     formatter, then once formatted suck it into a file. Then you
>>> have an
>>> >> >     exact replica you can mount in SIMH and load it up.
>>> >> >
>>> >> >     I did this with a 154mb Hitachi ESDI MCSP disk that went "bad"
>>> 30
>>> >> years
>>> >> >     ago and would not boot. Sucked it in, booted RSX11M off a
>>> virtual
>>> >> >     drive,
>>> >> >     then mounted it. Turns out when I did a purge of old files I
>>> deleted
>>> >> >     the
>>> >> >     RSX11M.TSK file I was using to boot because I forgot to do a
>>> /SAV /
>>> >> >     WB in
>>> >> >     VMR to update the boot block to the new file location. Did that,
>>> >> system
>>> >> >     booted, then copied it back to the "real" Hitachi disk.
>>> >> >
>>> >> >     Back in operation. :-)
>>> >> >
>>> >>
>>> >>
>>>
>>

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