Re: Upgrade conundrums...

[wbaguhn@nyx10.cs.du.edu (Will Baguhn)]

In article <dempson-0308962227590001@dempson.actrix.gen.nz>,
David Empson <dempson@actrix.gen.nz> wrote:
>In article <4tqsft$rrm@nntp.seflin.lib.fl.us>,
>z008729b@bcfreenet.seflin.lib.fl.us (Martin Gruen) wrote:
>>  14 Mhz chip upgrade to accelerators: Alltech says they don't guarantee 
>>that it'll run at 14 mhz because all systems are different.  Can someone 
>>explain this, they couldn't.
>
>There are varying amounts of background noise in every IIgs.  There are
>other factors as well, such as the total power consumed by the computer,
>the internal temperature, etc.
>
>To get reliable operation at high speeds you need enough power, as little
>heat as possible, and as little noise as possible.
>
>The worst case would be an original IIgs motherboard (ROM 00/01) with lots
>of cards installed, especially power guzzlers and noisy ones like the PC
>Transporter.
>
>The ROM 3 has less noise generated by the motherboard, and consumes
>somewhat less power, so it will work more reliably at higher speeds, given
>the same I/O cards.

Here's an idea... would a heat sink on the processor help?  Something...
486ish, but smaller.  If a ground lead is attached, it should
also block out noise a bit, so it's more an issue of electrical noise
rather than RFI.
-- 
                                      --- Rev. SPQR (wbaguhn@nyx.net)