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22 chapter 2: hardware information – Asus A7S333 User Manual

Page 34

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22

Chapter 2: Hardware information

WARNING!

Set the CPU frequency only to the recommended settings.

Frequencies other than the recommended CPU bus frequencies are not
guaranteed to be stable. Overclocking the processor is not recommended.
It may result in a slower speed.

2) CPU and DRAM Frequency Selection (DIP_SW Switches 1–4)

This option tells the clock generator what frequency to send to the CPU,
DRAM, and the PCI bus, permiting selection of the CPU’s External frequency
(or, BUS Clock) and the DRAM memory speed.

A7S333

®

A7S333 CPU
External Frequency Selection

DSW

CPU

DRAM

100MHz
100MHz

ON

12

34

133MHz
133MHz

ON

12

34

133MHz
100MHz

ON

12

34

100MHz
133MHz

ON

12

34

133MHz
166MHz

ON

12

34

Frequency Table

DSW

CPU

DRAM

1

2

3

4

133

166

[OFF]

[OFF]

[ON]

[ON]

100

133

[ON]

[ON]

[ON]

[OFF]

133

100

[OFF]

[ON]

[ON]

[OFF]

133

133

[OFF]

[ON]

[OFF]

[OFF]

100

100

[OFF]

[OFF]

[OFF]

[OFF]