19 Jun
2019
19 Jun
'19
12:56 a.m.
Maybe a iSBC 86/30?
I don't have any of these. All I have are a couple 8080 iSBC boards.
Dwight
________________________________
From: Lyle Bickley <lbickley at bickleywest.com>
Sent: Tuesday, June 18, 2019 8:49 PM
To: dwight
Cc: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Looking for a Intel multibus 88/30...
On Tue, 18 Jun 2019 05:24:04 +0000
dwight <dkelvey at hotmail.com> wrote:
Hi Lyle
What is a 88/45? I look up the 310 systems on the web but none
mention 88/45.
Good catch, Dwight! It was a typo. I have two 88/45 boards and don't
need more. FYI, here's a link describing the 88/45:
http://bit.ly/2N6zKGe
Here's the description of the iSBC 88/30 that I NEED in the maintenance
manual for the System 310:
http://bit.ly/2MWMij5
Is the PAL for address decoding or something more
complicated?
Not sure. Likely for address decoding but I haven't tracked down
what else it might do. Another System 310 restorer had the identical
symptoms and issues with his 310. To be more specific: The system
begins startup and then halts (run light off) after about a second of
running. The hardware manuals says that error is either an iSBC error
or DMA hanging the system. I pulled all the DMA I/O cards from the
system to make sure it wasn't DMA...
Repeating the CORRECTION: I NEED AN iSBC 88/30!!!
Thanks again, Dwight!!!
Cheers,
Lyle
______________________________
From: cctalk <cctalk-bounces at classiccmp.org>
on behalf of Lyle
Bickley via cctalk <cctalk at classiccmp.org> Sent: Monday, June 17,
2019 1:39 PM To: cctalk at classiccmp.org
Subject: Looking for a Intel multibus 88/45... (minor corrections...)
I'm in the process of restoring an Intel 310 system. I had it working
to the point where it was trying to boot - when the 88/45 processor
began to fail intermittently and then solidly. My debugging seems to
indicate that the problem is in a PLD - which is a serious bummer.
I have preserved the ROMS (which have built-in diagnostics/debugging
and boot capability for both floppy and Winchester hard disks) as
files. I will make these ROM files available to Al for posting on
bitsavers.
If someone on this list has an Intel 88/45 (or Intel 310) who would be
willing to part with it, please contact me off list. I can to either
do a trade or cash purchase...
Cheers,
Lyle
--
73 NM6Y
Bickley Consulting West Inc.
https://bickleywest.com
"Black holes are where God is dividing by zero"
--
73 NM6Y
Bickley Consulting West Inc.
https://bickleywest.com
"Black holes are where God is dividing by zero"