ASUS A7N266 Manual Do Utilizador
18
ASUS A7N266 User’s Manual
3. HARDWARE SETUP
A7N266
0
1
0
1
0
1
®
A7N266 CPU
External Frequency Selection
External Frequency Selection
1 2
BSEL0
BSEL1
BSEL1
CPU 133MHz
(Default)
DRAM 133MHz
3
1 2
BSEL0
BSEL1
BSEL1
CPU 133MHz
DRAM 100MHz
3
1 2
BSEL0
BSEL1
BSEL1
CPU 100MHz
DRAM 133MHz
3
1 2
BSEL0
BSEL1
BSEL1
CPU 100MHz
DRAM 100MHz
3
JEN
JEN
JEN
JEN
3. H/W SETUP
Motherboard Settings
3) CPU:DRAM Frequency Setting (BSEL0, BSEL1)
This jumper sets the external CPU:DRAM frequency ratio for normal operation.
The default operates at 100:100 Mhz. Note: To make any changes to jumper
speed settings, the JEN jumper must be set to [1-2].
The default operates at 100:100 Mhz. Note: To make any changes to jumper
speed settings, the JEN jumper must be set to [1-2].
CPU
DRAM
BSEL0
BSEL1
JEN
133
133
[1-2]
[1-2]
[1-2]
133
100
[2-3]
[1-2]
[1-2]
100
133
[2-3]
[2-3]
[1-2]
100
100
[1-2] (Default) [2-3] (Default)
[1-2]
A7N266
0
1
0
1
0
1
®
A7N266 Jumper Mode Setting
JEN
Enable
(Default)
2 3
Disable
1 2
2) Jumperless Setting (JEN)
Normally, all changes to frequency settings can be made through BIOS
immediately upon starting up the computer. Therefore, the default setting for
this jumper, [2-3] enables easy BIOS adjustments. If the BSEL jumpers are
used, it is necessary to set this JEN jumper to [1-2].
immediately upon starting up the computer. Therefore, the default setting for
this jumper, [2-3] enables easy BIOS adjustments. If the BSEL jumpers are
used, it is necessary to set this JEN jumper to [1-2].