Timing fix for A1200 1.D4 motherboard?

[Painkiller]

I'm looking for timing fix to this board. Does anyone know how to do it or if it is even necessary for this board? I'm having weird crashes every now and then with my Blizzard A1260.

[Painkiller]

Uh silly me the board was 1.D1 so anyone got timing fix for 1.D1 or any other hints in getting the system stable. I'm using a ATX psu with it and I have connected the powercord to the motherboards floppy power connector to ensure stable power supply.

[Painkiller]

DoogUK wrote:
Quote:
Could it be heat issues? i know the 1260 runs cool but do you have other addons in the case if so you could require extra measures for cooling.

In what way is the system unstable?

It is not the heat issues as the crashing happens the most when I cold start the machine. (Which now leads me to thinking that some of the capasitors needs to be replaced).

I have also tried to refit the board couple of times to see if it is a bad contact.

The problem it self just freezes the Amiga with no guru or anything just freezes the screen. Sometimes I can go hours and sometimes it crashes in a few minutes or imidiately after boot up.

[Painkiller]

DoogUK wrote:
Quote:
Only revision 1D1 boards are suitable for this type of heavy expansion.

FYI I went and removed the E123C and E125C capasitors from my 1.D1 board and it hasn't crashed since.

But anyways I'm just glad the problems are now solved Hopefully some other people will find this info helpfull.

[Painkiller]

@Painkiller
The A1200 floppy connector PCB traces are not rated at much more than 1.5 Amps so do not use this to power your A1200.

I'm not powering the whole board from there, just additional power supply to keep the whole board in steady power supply. They even addvise to do this in BVision manual.

Anyways I got the board working now as I removed E123C and E125C capasitors.