So if all LEDs remain on, that most likely means the CPU is not able to execute
instructions at all.
It might mean a busted CPU, busted ROM or CPU bus, or missing power or clock.
Yes,
that's exactly my feeling... so a schematic would be very good to try to
diagnose an evident problem as mi
On Mon, Jan 18, 2016 at 10:13 AM, tony duell
wrote:
> IF the PC100-A is like the PC100-B (which I have full schematics for)...
>
> > All LEDs on, means, "replace the system board".
> >
> > I'm not sure, he wanted to hear that ;-)
>
> And it's not even right!. You can have all LEDs on with a perfe
IF the PC100-A is like the PC100-B (which I have full schematics for)...
> All LEDs on, means, "replace the system board".
>
> I'm not sure, he wanted to hear that ;-)
And it's not even right!. You can have all LEDs on with a perfectly good
system board. A fault in the power-OK circuit in the P
> On Jan 18, 2016, at 9:59 AM, emanuel stiebler wrote:
>
> On 2016-01-17 18:11, Warner Losh wrote:
>> Would love to help, but I have the PC100-B. The PC100-A board is somewhat
>> different than the
>> PC100-B, but not super different.
>>
>> Have you checked the diagnostics table in the technica
ut it is buried in boxes at the moment.
All LEDs on, means, "replace the system board".
I'm not sure, he wanted to hear that ;-)
Warner
On Sat, Jan 16, 2016 at 2:15 PM, shad wrote:
Hello,
I recently took a DEC Rainbow PC100-A.
It has been a huge house for a lot of sp
arner
On Sat, Jan 16, 2016 at 2:15 PM, shad wrote:
> Hello,
> I recently took a DEC Rainbow PC100-A.
> It has been a huge house for a lot of spiders, who deposited eggs and dead
> insects all around.
> After full disassembling, cleaning and reassembling, I'm ready to tr
On 2016-01-16 14:15, shad wrote:
After full disassembling, cleaning and reassembling, I'm ready to try it!
PSU seems to work well, power goes on with almost precise voltages, then
all the test leds on the back will lit on...
then nothing happens! No video, no sign of life.
And they stay AL
Hello,
I recently took a DEC Rainbow PC100-A.
It has been a huge house for a lot of spiders, who deposited eggs and
dead insects all around.
After full disassembling, cleaning and reassembling, I'm ready to try it!
PSU seems to work well, power goes on with almost precise voltages, then
