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BFEXTU's latest activity
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B
BFEXTU
replied to the thread
Building A/UX Device Drivers
.
I just looked, and my Epson Perfection V500 is actually better than the new Epson. So, I tore open the power supply -- bad electrolytic...
Wednesday at 8:55 PM
B
BFEXTU
replied to the thread
Building A/UX Device Drivers
.
I finally got a new scanner! Unfortunately, my other one broke some time ago. So, I should now be able to finish scanning the A/UX docs...
Tuesday at 9:29 PM
B
BFEXTU
posted the thread
Apple IIe + ESP32 SoftCard Setup - Working!
in
Apple I/II/III
.
My ESP32 SoftCard arrived and I have been having some fun with it! CVT, the creator (located in Bulgaria), has done some incredible work...
Sunday at 6:53 PM
B
BFEXTU
replied to the thread
SuperMac VidCards - Timeline Development - Links
.
Sorry - I missed the question at the end of your post. I think the latest ROM for Thunder/24 is v3.1. It probably fixes some bugs vs...
Saturday at 8:24 AM
B
BFEXTU
replied to the thread
SuperMac VidCards - Timeline Development - Links
.
OK - so that would certainly work, but I'm being dumb. Just boot either board, toggle the accelerator in SuperVideo and carefully probe...
Jan 9, 2026
B
BFEXTU
replied to the thread
SuperMac VidCards - Timeline Development - Links
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OK - so a 10K (Brown-Black-Orange-Gold) pull-up on Q0. The SuperMac accelerator boards have an onboard data/config register. It might...
Jan 9, 2026
B
BFEXTU
replied to the thread
SuperMac VidCards - Timeline Development - Links
.
@Fizzbinn - That resistor looks like a possible 10K pull-up to VCC on the LS259 - for Q0 or Q1. Or, instead of VCC, it could be...
Jan 9, 2026
B
BFEXTU
replied to the thread
SuperMac VidCards - Timeline Development - Links
.
The Thunder/GT was post-merger. 3 years later and different design...but similar nextgen/Radius-branded chips -- graphics controller...
Jan 9, 2026
B
BFEXTU
replied to the thread
SuperMac VidCards - Timeline Development - Links
.
I just looked at my PDQ+/PopTart board and there's no pin bridging on SMT02 at that location. However, I ohmed the pins and they are...
Jan 9, 2026
B
BFEXTU
replied to the thread
SuperMac VidCards - Timeline Development - Links
.
I will also confirm when I locate my boards. But, original and later rev Thunder/24 (circa 1992, etc.) definitely had intentional solder...
Jan 8, 2026
B
BFEXTU
replied to the thread
SuperMac VidCards - Timeline Development - Links
.
i think there were different board revs of the original Thunder/24. The one you have appears to include early rework/fixes. And, there...
Jan 8, 2026
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