| From: | Tore Bjoernsen |
| Date: | 18 Dec 99 at 02:53:42 |
| Subject: | Re: [warpup] Re: other WarpOS problems |
Hi Sam!
> I would rather say, that 200Mhz cards have a 66Mhz bus clock with a
> multiplier of 3. There exist other boards (180Mhz, 150Mhz) which all
> have a multiplier of 3.
> You're most likely right in the assumption, that Phase5 used boards
> for 233Mhz-CPU's which were not designed to deal with such clock
> frequencies. They simply overclocked the boards IMHO and as it seems
> they did never say anything about it, so people had to find out
> themselves, that they need a much stronger cooler.
I have changed the original 40mm x 40mm x 6 mm 5CFM (5volt) fan for a
new 40mm x 40mm x 10mm 8CFM (12volt) fan and things are now running
much cooler and the exceptions has magically dissapeard....
> But I'm actually not sure whether the problem is the bus frequency,
> maybe it's still 66Mhz (someone with 233er can confirm or correct
> this value). I would rather guess that the increased power
> consumption/heating due to the increased core clock is the real problem.
> Overheating is the problem Nr. 1 for AMIGA hardware nowadays.
My 233 card has a 66mhz bus...
greetings
Tore Bjoernsen