1-6
User’s Guide
Table 1-1
Jumper Settings (continued)
Jumper
Setting
Function
JP11
1-2 *
3-4
5-6
7-8
9-10
CPU Core Voltage
3.3V
2.8V
2.9V
3.2V
3.5V
S2 of SW1
On
Off
Boot Logo
OEM
Acer
S3 of SW1
On
Off
Password Check
Check password
Bypass password
Table 1-2
Host Bus Frequency Select
JP2
JP3
Host Bus
1-3, 2-4
3-5, 4-6
60 MHz
3-5, 4-6 *
3-5, 4-6 *
66 MHz *
1-3, 2-4
1-3, 2-4
75 MHz
3-5, 4-6
1-3, 2-4
83.3 MHz
Table 1-3
CPU/Host Bus Frequency Ratio
SW1 Switch No.
Ratio
S4
S5
(BF1/X34)
S6
(BF0/Y33)
Intel
M2
6x86L
K6
Off
Off
Off
1.5/3.5
3.5
3
3.5
Off
Off
On
2
2
2
Off
On
On
2.5
2.5
2
2.5
Off
On
Off
3
3
3
3