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Things work fine after a warm boot so IMHO the RTC IC is fine. Because it only goes wrong after the power has been turned off, the only thing I can...

Not really. I've seen a few june bugs which lodged themselves inside cooling fans on CPU heatsinks and cause overheat issues. The feces and uric acid...

I have not tested with PLIP, but I did setup a SLIP environment not too long ago. The required userspace utilities are definitely not installed by...

I don't have rats or mice but instead get geckos. Not the beautiful native ones but the asian house geckos that arrived in Brisbane about 40 years...

Welcome to VCFED. Another PET owner in the UK! Having just recently got the 'PET from hell' working, yours should be (hopefully) much easier! ...

Here is the pinout of my adaptor. The "Plug" is the TMS2716 pinout plug to go into the reader, the "socket" is the MCM6832. Note that I labeled...

Thank you very much!!

Yeah, I wouldn't be surprised if the module isn't even compiled on mainstream linux kernels anymore. You may end up having to roll your own. Man,...

Thanks! An interesting find. I guess I need to find/make the serial cable now. Much appreciated

Rats seem to love to chew PVC insulation off wires, the Telecom people have a lot of issues with them. There was a story in Silicon Chip magazine a...

Managed to locate a copy of SRSS 5.1 and installed it on my Solaris 10 Tadpole. Wow, it's quite good! I was even able to play a few games with it,...

Welcome. Which model PET?

The Professional 380 is wider than the Rainbow 100. I don't think the board will physically fit.

Like I laid out I think the worry is more about noise *from* the card potentially messing with something else, but I'm not entirely convinced that's...

Yeah the spikes are there on all the lines and must come from the 373 latches. I went over everything carefully with the logic analyzer and it should...

EK-PC380-PS-003 Professional 380 Pocket Service Guide www.vaxhaven.com/images/a/a7/EK-PC380-PS-003.pdf Page 122, Section 2.17, Table 2-2...

Thanks, I'll give those ideas a try in my next program. Mike

yup, on Univac systems you would get the not so friendly message WAIT LAST INPUT IGNORED other systems would lock out the keyboard or light a...

I just peeked over the schematics again. You're right, noise before the card shouldn't be a problem. Have you tried tidying up the birds nest, just...

OK, so if the user typed A>DIR The computer would not echo back anything, but the computer would execute the command. In this case, computer...

Unfortunately the HX board is multi-layer so I can't really trace it completely by eyeball, but it looks like that '245 that's in front of Big Blue...

The computer didn't echo anything, that is a convention of full-duplex communications.

Apparently a colon followed by a capitol D must mean some kind of face. Mike

I would have thought the DEC section would be a better place for this. You should also add the DECSet 8000 which is another re-badged 8/e. Sold...

OK, but how exactly did it double print? Like this? AA::DDIIRR or A:DIR A:DIR Did the computer wait until a CRLF and then echo back...

I think I tried those on my Winvice and the covers did not work. I would also like to have the original tapes, as I already have the first 23 and all...