... Bryan, Thank YOU! That's it! Everything working fine. Of course the switch was set to FRONT (which is composite VIDEO, COLOUR & SYNC) and I was thinking...
27689
midatlanticretro@yaho...
Oct 14, 2012 1:10 pm
MARCH frequently asked questions -- updated Feb. 27, 2012 1. What is MARCH? MARCH is a user group for people who enjoy collecting, restoring, using, and...
27690
Kyle Owen
kylevowen
Oct 15, 2012 2:52 am
Well, it's been an exciting past few weeks! I was able to get an NEC APC to boot using an 8" drive and some diskettes that someone I work with had. I'm going...
27691
Systems Glitch
systems.glitch
Oct 16, 2012 1:44 am
... Do you have a ROM board? You can use my 8080/8085/Z80 monitor with your N* by writing an I/O module for it: https://github.com/chapmajs/glitchworks_monitor...
27692
Kyle Owen
kylevowen
Oct 16, 2012 3:01 am
I don't have a ROM board unfortunately. The processor card does have the space for the ROM add on, but none of the components are populated. Maybe it'd be...
27693
Systems Glitch
systems.glitch
Oct 16, 2012 3:42 am
... That's entirely your call. It depends on if you want to keep the system original to how it was when you obtained it. Since the board was offered as a kit,...
27694
Kyle Owen
kylevowen
Oct 16, 2012 4:26 am
So I've been working on designing my own 64k SRAM card for my N* Horizon. I don't ever expect to need more than 64k of RAM (hah!), so I'm not implementing any...
27695
Kyle Owen
kylevowen
Oct 16, 2012 4:43 am
If I fold the Vpp and A10 pins out of the way on a TMS2516, can I use it instead of a 2708? It looks like it'll work. Maybe I'll modify my 64k RAM board design...
27696
Jeffrey Brace
arkaxow
Oct 16, 2012 4:58 am
It was a slow day at the museum on Sunday. No real visitors. Fred was giving a group, that he seemed to know, the quick tour of all of Infoage. They stopped in...
27697
joshbensadon
Oct 16, 2012 12:18 pm
... Hi Kyle, You bring up a very good point. Ultimately, there is no right or wrong thing to do here. It's your system. When I was fixing my front panel...
27698
Systems Glitch
systems.glitch
Oct 16, 2012 12:29 pm
I don't have time to properly go over it before work, but I'd recommend using two 62256 32K x 8 SRAMs. They're readily available (if you don't have any let me...
27699
corey986
Oct 16, 2012 12:34 pm
Jeff, I'm glad I could entertain you with lander... It's very addicting. But the first time you land it perfectly it's very satisfying. One of these days I...
27700
B. Degnan
billdeg
Oct 16, 2012 12:44 pm
... Just imaginary visitors. Hello Mr. and Mrs. Lincoln...Yes these sure are new-fangled gizmos Mr President... ... I have a complete service manual for the...
27701
Evan Koblentz
ekoblentz
Oct 16, 2012 1:04 pm
... Woohoo! My hunch is there's a screen problem, not a problem with the computer itself. When the video first went blank, there was the odor of something...
27702
s100doctor
Oct 16, 2012 11:28 pm
It's funny to read these days, about concerns of "modifying the system from original", when talking about S-100 systems. It's funny to me, because quite...
27703
s100doctor
Oct 16, 2012 11:30 pm
... OK, Evan....I'll post something with a bit of "fire" to it. Tell me what you think. ;) Herb...
27704
Evan Koblentz
ekoblentz
Oct 16, 2012 11:35 pm
... Post of the year....
27705
Mike Loewen
mloewen16823
Oct 16, 2012 11:37 pm
... Right on, Herb! Mike Loewen mloewen@... Old Technology http://sturgeon.css.psu.edu/~mloewen/Oldtech/...
27706
s100doctor
Oct 16, 2012 11:48 pm
... 1) Date codes on many components are in the format YYWW where YY is the year ([19]72, 73, 74....), YY is the week of the year (01-52). 2) How about you...
27707
s100doctor
Oct 16, 2012 11:54 pm
... I don't know about MARCH, but I have two RL01 drives, but only one RL01 cart, on an 11/34 system. Will, I know you have some RL02 cartridges, but you know...
27708
Evan Koblentz
ekoblentz
Oct 17, 2012 12:01 am
... I defer to Degnan's judgment for this. Will/Herb -- if we're talking a deal, then we should take this off-list....
27709
Kyle Owen
kylevowen
Oct 17, 2012 12:03 am
Great post, Herb! I have taken your advice to heart. I'm modifying my ZPB-2A board for a 2kB 2716 at $E000. I'll be booting to ROM in no time. I'll document...
27710
Kyle Owen
kylevowen
Oct 17, 2012 12:40 am
Sad day...I don't have any 74LS136s to populate the address decoder for the PROM option. I guess it was time for a Digi-Key order anyways. Everything else is...
27711
Dave McGuire
purringdave
Oct 17, 2012 12:49 am
... I have to voice agreement here, as someone who grew up on S-100 machines. There's really no such thing as an "original"; S-100 system...the vast majority...
27712
William Donzelli
toober00
Oct 17, 2012 1:11 am
... So far, I am just moving the stuff. How it gets divided is up to higher powers. Aaaand...we are not getting as many unused cards as I thought. The owner's...
27713
William Donzelli
toober00
Oct 17, 2012 1:23 am
... I did not actually check if they are RL01s or RL02s. -- Will...
27714
Mike Willegal
mwillega
Oct 17, 2012 1:24 am
I'm all for using these computers, but if you have a pristine or very rare unit, any changes you make should be reversible. Collectors will always value...
27715
Systems Glitch
systems.glitch
Oct 17, 2012 2:18 am
+1, it's good to be a hacker with spare parts! Thanks, Jonathan On Tue, 16 Oct 2012 20:49:41 -0400...
27716
Evan Koblentz
ekoblentz
Oct 17, 2012 2:50 am
See below. I have no connection to this. Let us NOT use this topic to start another 'what is vintage' thread. ... Subject: Wants early 90's PCs for NY movie. ...
27717
B. Degnan
billdeg
Oct 17, 2012 12:51 pm
... from original", when talking about S-100 systems. It's funny to me, because quite simply, I was there at the time they were so-called "original";. ... with...
