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S1563-001-01 www.tyan.com
CPU Voltage Regulator Settings:
Pentium MMX requires two voltage sources, J60, J61, & J62 are settings for
one source. J63, J64 and J65 are settings for the second voltage source. The
default setting is for P54C/Cyrix CPU's.
P54C(Pentium) & Cyrix
P55C(Pentium MMX)
3.6V
3.5V
3.3V
3.0V
2.85V
2.65V
J39
off
on
off
J42
on
off
off
J38
on
off
off
J43
off
off
on
J37
off
off
on
J44
off
on
off
J40 on
J40 off
J41 on
J41 off
J42 off
J52 off
Settings for
J43 off
Default settings
J53 on
P55C only
J44 off
for P54C and Cyrix
J54 on
J52 on
J53 off
J54 off
