Register
Help
Remember Me?
What's new?
Forum
New Posts
FAQ
Calendar
Community
Groups
Albums
Member List
Forum Actions
Mark Forums Read
Quick Links
Today's Posts
View Site Leaders
Blogs
Articles
Advanced Search
Member List
JonB
If this is your first visit, be sure to check out the
FAQ
by clicking the link above. You may have to
register
before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below.
JonB
Senior Member
Find latest posts
Find latest started threads
View Articles
View Blog Entries
Mini Statistics
Join Date
January 26th, 2014
Last Activity
Today
05:52 AM
Blog Entries
0
Avatar
Join Groups
3
Groups
Home Brew Computing
Repair Junkies
UK Collectors
Join Groups
0
Permission Groups
JonB is not a member of any public groups
Recent Visitors
The last 10 visitor(s) to this page were:
acollins22
,
alan8086
,
Alphasite
,
Blaasvis
,
deramp5113
,
ppcmini
,
Roland Huisman
,
SceneCAT
,
StephenM
,
SteveBagley
This page has had
6,073
visits
Tab Content
JonB's Activity
About Me
Tab Content
All
JonB
Friends
Photos
New Activity (
)
Please reload this page to view the 200+ new activity items that have been created.
Older Activity
October 16th, 2017,
10:23 PM
JonB
replied to a thread
Superbrain vs. Model xx
in
CP/M and MP/M
Well do it, then! :) They're nice machines, albeit with non standard CP/M implementation, caused by the way the hardware is set up. There is no...
see more
6 replies | 242 view(s)
October 16th, 2017,
12:41 AM
JonB
replied to a thread
Liveport FDM 180 disk unit for Exidy Sorcerer
in
S-100
Correction... The Sorcerer's expansion port is not strictly S100; it's just that Exidy produced an expansion box that had an S-100 rack inside, and...
see more
7 replies | 225 view(s)
October 15th, 2017,
12:14 PM
JonB
replied to a thread
Superbrain vs. Model xx
in
CP/M and MP/M
Superbrain II has lower case descenders. I think also definable character sets (don't quote me on that!) I actually thought the 30 was equivalent...
see more
6 replies | 242 view(s)
October 12th, 2017,
02:59 AM
JonB
replied to a thread
Wanted: Exidy Sorcerer BASIC Cartridge
in
Vintage Computer Items Wanted
Turns out that BASIC ROM 3 has failed, just like Tezza's. Hmmm.. need a 2716 EPROM now. Anyone (in Europe) got a spare?
see more
14 replies | 1352 view(s)
October 11th, 2017,
04:09 AM
JonB
replied to a thread
Liveport FDM 180 disk unit for Exidy Sorcerer
in
S-100
Actually, DC00 as far as I can tell. I edited post #4. Disassembled it looks like this: DC00 F2 2F A2 JP P,A22F DC03 00 ...
see more
7 replies | 225 view(s)
October 11th, 2017,
02:48 AM
JonB
replied to a thread
Liveport FDM 180 disk unit for Exidy Sorcerer
in
S-100
Well I take it back. The CPU is in a socket (circled in red). You can also see all the patch wires for the memory upgrade (circled in yellow)....
see more
7 replies | 225 view(s)
October 10th, 2017,
11:43 PM
JonB
replied to a thread
Liveport FDM 180 disk unit for Exidy Sorcerer
in
S-100
OK, the ROM is identified as Signetics N82S126N PROM. There are two of them on the S-100 board, labelled 3E and 4E respectively. These are 256x4...
see more
7 replies | 225 view(s)
October 10th, 2017,
09:50 PM
JonB
replied to a thread
Liveport FDM 180 disk unit for Exidy Sorcerer
in
S-100
It's not the same unit. The boot ROM is integrated into the drive itself, apparently. Front of drive. Looks like a Tandon TM100 unit, save for...
see more
7 replies | 225 view(s)
October 10th, 2017,
08:49 AM
JonB
started a thread
Liveport FDM 180 disk unit for Exidy Sorcerer
in
S-100
Hello I just got a Liveport FDM 180 disk unit. Plugs into the Sorcerer's S100 expansion port. Has anyone got any documentation for it? I have the...
see more
7 replies | 225 view(s)
October 10th, 2017,
07:19 AM
JonB
replied to a thread
Exidy Sorcerer II Questions
in
General Vintage Computer Discussions
Not especially FAT based, but the hardware exists and can be connected to the Sorcerer: ...
see more
129 replies | 10138 view(s)
October 10th, 2017,
12:27 AM
JonB
replied to a thread
Wanted: Exidy Sorcerer BASIC Cartridge
in
Vintage Computer Items Wanted
I've just acquired a Sorcerer with an aftermarket disk drive. It has the BASIC cartridge but won't boot past the monitor.
see more
14 replies | 1352 view(s)
October 8th, 2017,
01:27 AM
JonB
replied to a thread
Proton Concorde
in
CP/M and MP/M
That's an interesting find.. how much memory has it? I wonder if it can run CP/M?
see more
5 replies | 260 view(s)
October 6th, 2017,
06:02 AM
JonB
replied to a thread
Diagnosing IEEE 488 interface on a PET
in
Commodore
Interesting, Ruud. That HDD looks a bit tasty! I have to put the 80 column PET back together now I know it is working, then I can look at the 40...
see more
23 replies | 1327 view(s)
October 5th, 2017,
05:08 AM
JonB
replied to a thread
Diagnosing IEEE 488 interface on a PET
in
Commodore
Time to report more goings-on in my PET land adventures. I can't believe it's been over a year since my last post on this thread! However... it's...
see more
23 replies | 1327 view(s)
September 23rd, 2017,
03:19 AM
JonB
started a thread
UIDE red board
in
CP/M and MP/M
A picture showing a uIDE red board being tested. ..and a right handed Z80 shim JonB
see more
0 replies | 117 view(s)
September 18th, 2017,
10:13 PM
JonB
replied to a thread
Flipper for Amstrad PCW/CP/M+
in
CP/M and MP/M
Hi Geoff I'm sure you've been googling around for this but anyway, I found a one line description of what it did on a web page...
see more
1 replies | 169 view(s)
More Activity
No More Results
No Recent Activity
About JonB
Basic Information
Statistics
Total Posts
Total Posts
1,084
Posts Per Day
0.80
General Information
Last Activity
Today
05:52 AM
Join Date
January 26th, 2014
Referrals
1
Find latest posts
View Articles
View Blog Entries
