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S1469-001-01 http://www.tyan.com
3.2 Jumper Settings
CPU Speed Settings for Pentium P54C and P55C:
J29
J30
J31
CPU Speed
1-2, 3-4
Off
Off
75 MHz
3-4
Off
Off
90 MHz
1-2
Off
Off
100 MHz
3-4
On
Off
120 MHz
1-2
On
Off
133 MHz
3-4
On
On
150 MHz
1-2
On
On
166 MHz
1-2
Off
On
200 MHz
CPU Speed Settings for Cyrix/SGS/IBM 6x86/M1:
J29
J30
J31
CPU Speed
CPU ID
1-2, 3-4
On
Off
100MHz
P120+
3-4
On
Off
120MHz
P150+
1-2
On
Off
133MHz
P166+
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
J60
on
off
off
J63
off
off
on
J61
off
off
on
J64
off
on
off
J62
off
on
off
J65
on
off
off
J58 off
J58 on
J63 off
J66 on
J64 off
J67 off
Settings for
J65 off Default settings
J68 off
P55C only
J66 off for P54C and Cyrix
J69 off
J67 on
J70 off
J68 on
J69 on
J70 on
