I just acquired the several Bubbl-Tec bubble memory boards for QBus, and was
wondering if anyone had manuals or more information than the couple of web
pages I've found with high-level descriptions:
MBC-11A bubble memory controller
MBB-11A bubble memory board for use with MBC-11A
QBI-11C bubble
On 13/09/2022 20:54, Robert Armstrong via cctalk wrote:
>Has anybody found a replacement for them? Does anybody have any
> suggestions?
>
I had one of these that was not working but in my case it seemed to be
the LED that had failed.
I struggled to find a direct replacement in the correct c
I've discovered that three of my four RA8x drives (one 82 and two 81s) now
refuse to spin up. All the failing drives give "SPIN ERROR" as the reason
and I've discovered, by an combination of educated guessing and parts
swapping with the working drive, that all three have bad optical sensors for
On 9/13/22 7:47 AM, Jon Elson via cctalk wrote:
If somebody knows who this Connor is (tall slender guy with short dark
hair) can you give me his email?
I suspect that I know who he is. -- At least I know a Connor that is
big into the retro computing / mainframe world.
I have forwarded your
I talked to Connor at the VCFMW about a QD21 that I need to
pull data off a retired hard drive.
Connor, can you contact me?
If somebody knows who this Connor is (tall slender guy with
short dark hair) can you give me his email?
Thanks,
Jon
It is indeed the PCChips M720 Elpina main board.
I found a clear example in another auction of the exact same board here:
https://www.ebay.com/itm/373903331243
It's always interesting how sellers do not know what they have.
This may also be the reason it has not sold.
Maybe the seller i
It's this one
https://archive.org/details/main-board-pii-ii-i-440-lx-agpset-v-1.2
I think
-Original Message-
From: John Herron via cctalk
Sent: Tuesday, September 13, 2022 10:35 AM
To: General Discussion: On-Topic and Off-Topic Posts
Cc: John Herron
Subject: [cctalk] Re: Identity of
Maybe this pc chips m720 motherboard?
http://hw-museum.cz/mb/69/pc-chips-m720
On Tue, Sep 13, 2022, 1:11 AM D. Resor via cctalk
wrote:
>
> The seller has this listed as a Gigabyte GA-6BXU Rev 1.5 mainboard.
>
> https://www.ebay.com/itm/195259246091
>
> According to Gigabyte's website the GA-6BX
With a slightly different mix of electrolytic capacitors near the slot sockets.
Thanks
Don Resor
Sent from someone's iPhone
> On Sep 13, 2022, at 12:09 AM, Richard Swingwood via cctalk
> wrote:
>
> Looks like a PCChips board.
>
> See
> https://www.gumtree.com/p/memory-motherboards-processor
Looks like a PCChips board.
See
https://www.gumtree.com/p/memory-motherboards-processors/pc-chips-elpina-m720-retro-beautiful-dual-slot-1-intel-440lx/1392734474
On Tue, 13 Sep 2022, 07:31 D. Resor via cctalk,
wrote:
> I emailed the seller on Sep 10.
>
> I asked the seller if he/she would sen
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