| From: | Mr.Return |
| Date: | 18 Dec 99 at 19:05:45 |
| Subject: | [warpup] Re: other WarpOS problems |
Hello Sam
On 17-Dez-99, you wrote:
> Am 17-Dez-99 schrieb Tobias Seiler:
>
>
> 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.
>
> BTW, 'showinfo' in the WarpUp directory reports the bus clock.
> For my card (180Mhz) it's 60Mhz.
>
>> I dont really think that p5 has designed the completele thing in a
>> asyncron way.
>> So when the divider remains at 4, 233/4 = >50. So what happens to the
>> system speed then ?
>
>> Maybe I'm wrong. It's just an idea.
>
> 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.
The bus-freuency is still at 66 Mhz, but multiplied with 3.5.
I have such a board, but I never had any problems with it.
> 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.
Not only for amiga ... :-)
Regards
Mr.Return