Asus A7N266-VM 2.7Jumpers, CPU, DRAM, BSEL0, BSEL1, ASUS A7N266-VMmotherboard user guide, 1) CPU:DRAM Frequency Setting (BSEL0, BSEL1)

2.7Jumpers

The jumpers on the motherboard allow you to change some feature settings to suit your customized system configuration.

1) CPU:DRAM Frequency Setting (BSEL0, BSEL1)

This jumper sets the external CPU:DRAM frequency ratio for normal operation. The default operates at 133:133 Mhz.

CPU	DRAM	BSEL0	BSEL1
133	133	[1-2] (Default)	[1-2] (Default)
100	100	[1-2]	[2-3]
133	100	[2-3]	[1-2]
100	133	[2-3]	[2-3]
		A7N266-VM	3 2 1	3 2	1
			BSEL0	BSEL0
			BSEL1	BSEL1
			DRAM 133MHz	DRAM 100MHz
			CPU 100MHz	CPU 133MHz
			3 2 1	3 2	1
			BSEL0	BSEL0
			BSEL1	BSEL1
			DRAM 100MHz	DRAM 133MHz
A7N266-VM CPU			CPU 100MHz	CPU 133MHz
				(Default)
External Frequency Selection

ASUS A7N266-VM motherboard user guide 19