11
S1680S-001-02
CPU Speed Settings for Pentium II and Pentium Pro Processors:
Mhz
J24
J25
J26
J27
J21
J31
J32
150
Off
On
On
On
3-4
On
Off
166
Off
On
On
On
1-2
Off
On
180
On
Off
On
On
3-4
On
Off
200
On
Off
On
On
1-2
Off
On
233
Off
Off
On
On
1-2
Off
On
*266
On
On
Off
On
1-2
Off
On
300
Off
On
Off
On
1-2
Off
On
(*Default: 266)
DRAM Voltage Select
J17
J18
J19
J20
J37
J38
J40
J41
3.3V
Off
Off
Off
Off
On
On
On
On
*5V
On
On
On
On
Off
Off
Off
Off
(*5V-default)
Bus Speed
Flash BIOS Voltage Select: J33(--Do not Change!)
*5V: Pin 1 and Pin 2 (Closed) (Default)
12V: Pin 2 and Pin 3 (Closed)
5V
12V
J33
1-2
2-3
CMOS Reset: (J36)
J36: normal (open)
clear (close--Cover J36 with a jumper cap to reset CMOS.)
HOST speed
PCI speed
J31
J32
J21
60MHz
30MHz
On
Off
3-4
66MHz
33MHz
Off
On
1-2
5V Default
12V
1 2 3
1 2 3
