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Okay. c

I've got some carbon (graphite) contaminated ones... But not sulphur. Sulphur also spues from geysers.

Interesting. I'll have to have a play around with that.

Sure, a bit marginal between the plethora of japanese computers; but good machines (I love the 6809 CPU :-)). Pretty hard to get software for them,...

Sure thing. Here are shots from both the SX and the TX. They share the issue, but the chips are located differently. I'd be a-ok if the whole thing...

As far as old PCs go I have an 8mhz XT 8088, 80286-12, and 1 486 PC, IBM 486 laptop, Compaq 486 portable and a K6-2 PC. All have at least VGA and a...

I'd almost be interested... but I'd want the case... have you figured out how to get the new reproduction cases like Grant did?

No dramas, I've just ordered a different type of DIP socket compatible pin header so I wont have to use 3 relatively expensive DIP sockets -...

With the standard rom (not yet got a programmer), but it only did it once. Don't want to go further with the BBC chip as that's returned to its...

Dwight, Thank you for working that out, that is very helpful. So the .hex file was intended to be transferred to a computer running a software...

You should be seeing a memory test. Frankly I’d be stunned if all three were broken. SX’s are tanks, and while they may occasionally fail, going 0/3...

Excellent work! Congrats! Definitely sign me up for one Have you considered seeing if you can get to fit in an SX? It has a similar clearance...

Here's 5.1.3 running on Pentium Pro. I've used this same install CD to get a plain Jane Pentium running. 6.1.5 would not run on this machine. I...

I don't hear any beep, and I tried hooking them up to a TV I bought at a thrift store to use for CoCo's no matter how I hooked them up(RCA Jacks or...

You really need to connect it to video. Almost any old TV should work. You could probably find a monitor with composite at Goodwill for less than you...

I have been messing around with Adlib Tracker II in my DOS PC but the music does not come as easy as with trackers on my modern PC because I have no...

dave_m's assessment is (as usual) correct - or at least the same conclusion I came to... I modified the last jmp instruction to execute the ROM...

Sulfur? As in the stuff that spews out of a volcano? I thought I'd heard it all... :)

7.1.2. I suppose I should probably try an earlier version just to see...

If you get the power supply straightened out, there are two short front-panel programs on my 2109E page: http://q7.neurotica.com/Oldtech/HP/HP1000/

New items for July 17, 2018: IBM PS/2 Model P70 386 Morrow Designs Micro Decision 1 ACCTON EtherCombo-32 Ethernet Card Inmac SP-16...

What version of NetBSD did you try? I haven't run into that issue on similar systems. But the most recent version I've gotten working on anything...

Adrian, I tried it too. There are apparently a couple of issues. The VICE Simulator may be sensing/guessing the diag line as a "low" rather than the...