that's great news.
Bill
On Wed, May 4, 2022 at 8:23 PM Bill Gunshannon via cctalk
wrote:
>
>
>
> My thanks for all the help. I now have CP/M 2.2 booting and running
> from a hard disk on a TRS-80 Model 4P, Now back to my PL/M.
>
> bill
My thanks for all the help. I now have CP/M 2.2 booting and running
from a hard disk on a TRS-80 Model 4P, Now back to my PL/M.
bill
Hi Paul!
Ok, so it should be coming up, but is not
Hm. Without another unit to do comparisons with and a system that is not
doing anything repeatable, trying to fix this little guy is probably
outside my limit of "I have a limited amount of time in my life".
I think I'll stick it on the
On 04/05/2022 21:40, Chris Zach via cctalk wrote:
Question for the group: I'm working on a HP9825B here. First thing I
did was take it apart, clean it, unplug all the power connections to
the board and test the power supply. Supply is good (values below) so
after checking the boards I put it
The 9825B should have a board part number 09825-66524 with 16 DRAM chips
and 10 24 pin ROM chips these ROM chips replace teh OS ROM module pluged
into the right bottom of the machine and also most of the option ROMs.
You may also have a second board with another 16 DRAMs a a lot of other
Question for the group: I'm working on a HP9825B here. First thing I did
was take it apart, clean it, unplug all the power connections to the
board and test the power supply. Supply is good (values below) so after
checking the boards I put it together and powered it on.
Note: I can see the
On Wed, 4 May 2022, Bill Gunshannon via cctalk wrote:
On 5/4/22 14:35, Bill Degnan wrote:
Bill,
I searched for "montezuma 2.2 hard drive install" on Google:
https://oldcomputers.dyndns.org/public/pub/manuals/montezuma_micro_hard_disk_support_for_cpm_2-2.pdf
I have been through the
On 5/4/22 15:10, Bill Degnan wrote:
Bill,
Sorry, I understand now. Assuming you have the confirmed ability to
make a disk from DSK image you found a corrupted DSK file. Gotcha. I
am kind of busy at the moment, but I do have the disk you need, the
actual disk. If you find no other source I
Bill,
Sorry, I understand now. Assuming you have the confirmed ability to
make a disk from DSK image you found a corrupted DSK file. Gotcha. I
am kind of busy at the moment, but I do have the disk you need, the
actual disk. If you find no other source I could image mine for you.
Otherwise
On 5/4/22 14:35, Bill Degnan wrote:
Bill,
I searched for "montezuma 2.2 hard drive install" on Google:
https://oldcomputers.dyndns.org/public/pub/manuals/montezuma_micro_hard_disk_support_for_cpm_2-2.pdf
I have been through the process a few times, it's pretty
straight-forward if you use these
Bill,
I searched for "montezuma 2.2 hard drive install" on Google:
https://oldcomputers.dyndns.org/public/pub/manuals/montezuma_micro_hard_disk_support_for_cpm_2-2.pdf
I have been through the process a few times, it's pretty
straight-forward if you use these directions.
Bill
On Wed, May 4,
Utterly amazed at how much I have forgotten.
Even more amazed at how much information seems to have been lost
since the days of the TRS-80.
So, I am no trying to get CP/M going again. I have been able to
get floppy systems working but can not find any information on how
to build hard disk
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