TYAN TOMCAT IIIS D User Manual page 12

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
3.6V 3.5V
J39 off on
J38 on off
J37 off off
J40 on
J41 on
J42 off
J43 off Default settings
J44 off for P54C and Cyrix
J52 on
J53 off
J54 off
S1563-001-01 www.tyan.com
P55C(Pentium MMX)
3.3V
off J42
off J43
on J44
J40 off
J41 off
J52 off
J53 on
J54 on
12
3.0V 2.85V 2.65V
on off off
off off on
off on off
Settings for
P55C only