A1200T + BPPC (Resolved)

[CLS2086]

Hi,
remember that :
BPPC menu is in 31 Khz VGA mode !
so you'll need the VGA connector.
just put 32 or 64 Mb of ram.
Try to check if the MB connector is clean (use Alcohol)
and if your BPPC is well deeply plugged in (take a look at the bppc connector).
You need at least a 140W PSU
if you use the floppy connector, don"t use the original psu connetor (except for the -12V), nor you'll burn your MB, like lot of people did with bus extensions.

[CLS2086]

Ho !
It reminds me about a f**** 420W ATX PSU that could not give more than 4.56v (for 5v) when it was in loads, so it could not boot my BPPC, and makes crash my PC ...

And also the old 140W AT PSU that give only 4.86v on my 1200PPC+GREX+tons of hardware and boot 1 times about 10...
I replace it by a 230W AT PSU that give me 4.96V (for 5V) and my machine works very well  :-D

So I suggest you to check the voltage on the PPC FAN, if it's under 4.9v you 'll have lots of problems to start your machine !

So check all the voltage  :rtfm:

[CLS2086]

Hi,
and what about the voltage ? I'm still waiting for your answer !!
Try also to look at the Quartz and under the 68k CPU if their pins are well solded. I had this problem in time  :rtfm:

[CLS2086]

Yes you missed that :
0 - Clean the expansion connector with a special electrical contact cleaner, Check the motherboard if any track were cut, check the speed jumpers and the quartz if they are well solded (the cause have broke with the transport...). For the 68040 you can also try to resold it.
(My BPPC 060 gave me a similar trick after a long time getting hot).

 :rtfm:

[CLS2086]

The 68040/68060 connections might be bad like mine were.