[SunRescue] SunPCi car jumper settings

James Lockwood rescue at sunhelp.org
Fri Mar 2 00:32:05 CST 2001


On Thu, 1 Mar 2001, steve price wrote:

> does anybody have documentation on the jumper settings
> for the SunPCi card (original).  I want to update mine
> to the AMD K-6/500 chip, but none of the docs I have
> show the jumper settings.

(from exce7 at rmovt.rply.ce.chalmers.se)

JP4
Clock multiplier (1 means short, 0 off)

1-2 3-4 5-6     mul

 0   0   0      3.5
 0   0   1      5.5
 0   1   0      3
 0   1   1      5
 1   0   0      6
 1   0   1      4
 1   1   0      2.5
 1   1   1      4.5

JK3 JK2 JK1     clock (MHz)
1-2 1-2 1-2     66
1-2 1-2 2-3     60
1-2 2-3 1-2     75
1-2 2-3 2-3     53
2-3 1-2 1-2     66
2-3 1-2 2-3     60
2-3 2-3 1-2     75
2-3 2-3 2-3     83

Note: These values are derived and maybe inaccurate, however
they seem to be correct on my SunPCi card. Note: The BIOS as of 0.51
seems to report any speed above 400MHz as 400MHz.

-James




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