A1200 Busboard problems

[cgutjahr]

Powering the machine *only* through the floppy connector might be the problem. Both the connector and the floppy power cable you plugged into it are not build to sustain high loads (which might occur when you are running a Blizzard, a bus board and several Zorro cards).

I had stability problems with my BlizzardPPC setup for exactly that reason.

The Busboard should have AT-style power connectors. Better use these connectors to power the machine.

[cgutjahr]

locutus wrote:
It does not, it got some custom connector to which i dont have a fitting plug.

Okay, that's bad. Does the manual list the pinout of that connector? Maybe somebody on here knows it? It should be easy to build a custom adapter once you know the pinout.

Another solution would be to slaughter an old external A500/600/1200 PSU: just use the connector that plugs into the A1200 and some of the wire attached to it. Reroute this into the tower case and connect it to the wires of the original motherboard connecters of the AT PSU. This, together with the floppy power connector should solve any power load problems that might be present.

If you have a broken (or unused) external PSU, this might be the easiest way to check if your problems *are* indeed caused by power load.