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Thunder i860 S2603
15
G. Speaker Connector (J23)
This is the 4-pin connector for a speaker.
H. PCI Speed Select (J25)
This connector controls the speed of the 64-bit PCI slots.
NOTE:
Tyan takes no responsibility and will not be held liable for damage related to the
alteration of J25 from the correct setting corresponding to your PCI card manufac-
turer’s designated operating speed.
* default is
OPEN
J23
1
power in
2
no connect
3
no connect
4
speaker
J25
open
66 MHz
close
33 MHz