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Stephen_Usher's latest activity
Stephen_Usher
replied to the thread
Best solutions for mounting an internal BlueSCSI V2 in an SE/30?
.
This 3D printable bracket is ideal and designed with the SE/30 in mind as much as anything...
Mar 24, 2024
Stephen_Usher
replied to the thread
LC III - Mostly dead.
.
Well, it does say RESET on the solder mask, so I took it at its word.
Mar 24, 2024
Stephen_Usher
replied to the thread
LC III - Mostly dead.
.
Thanks. I was actually mistaken, the system was holding the settings but I didn't realise that the motherboard RESET also reset the...
Mar 24, 2024
Stephen_Usher
replied to the thread
LC III: Battery +ive side: What chip is it connected to?
.
Thanks! Very helpful.
Mar 17, 2024
Stephen_Usher
posted the thread
LC III: Battery +ive side: What chip is it connected to?
in
68k LC & Performa
.
I've got a battery damaged LCIII almost completely operational. The original battery holder (long gone) has been replaced with a CR2032...
Mar 17, 2024
Stephen_Usher
replied to the thread
LC III - Mostly dead.
.
Thanks. Unfortunately the battery isn't keeping the NVRAM alive, so i need to find out where the power goes. Unfortunately it seems...
Mar 17, 2024
Stephen_Usher
replied to the thread
LC III - Mostly dead.
.
After pressing on the CPU and getting different results, reflowed the lower address lines on the CPU and... Success!
Mar 17, 2024
Stephen_Usher
replied to the thread
LC III - Mostly dead.
.
The machine now constantly cycles crash/reset but it's inconsistent, depending upon whether D0 is high or low at the end of the...
Mar 17, 2024
Stephen_Usher
replied to the thread
LC III - Mostly dead.
.
I've got a little further with the diagnosis. After replacing the HI ROM socket with a new one as the contacts on the original were...
Mar 17, 2024
Stephen_Usher
replied to the thread
LC III - Mostly dead.
.
Further investigation shows that the CPU is reading the first two words of the ROM and then reads an address with the same lower nibble...
Mar 14, 2024
Stephen_Usher
posted the thread
LC III - Mostly dead.
in
68k LC & Performa
.
I've been handed an LC III which had some localised battery damage but the CPU pins got damaged and the previous owner tried to fit a...
Mar 13, 2024
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