GIGABYTE 5225 User Manual
Page 14
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GA-7N400E(-L) Motherboard
English
Step 1: Set System Jumper (CLK_SW) & (CLK_RATIO)
The clock ratio can be switched by CLK_RATIO and refer to below table.The system bus frequency can
be switched at 100MHz and auto by adjusting CLK_SW.
Default Setting :
Auto (X X X X X X)
MNote: In order to BIOS can auto detecting when
your CPU mutiplier over 18x, please adjust mutiplier
swich in CLK_RATIO to "AUTO."
RATIO
1
2
3
4
5
6
AUTO
X
X
X
X
X
X
(Default)
5x
O
O
X
O
O
O
5.5x
X
O
X
O
O
O
6x
O
X
X
O
O
O
6.5x
X
X
X
O
O
O
7x
O
O
O
X
O
O
7.5x
X
O
O
X
O
O
8x
O
X
O
X
O
O
8.5x
X
X
O
X
O
O
9x
O
O
X
X
O
O
9.5x
X
O
X
X
O
O
10x
O
X
X
X
O
O
10.5x
X
X
X
X
O
O
11x
O
O
O
O
O
O
11.5x
X
O
O
O
O
O
12x
O
X
O
O
O
O
12.5x
X
X
O
O
O
O
13x
O
O
X
O
X
O
13.5x
X
O
X
O
X
O
14x
O
X
X
O
X
O
15x
O
O
O
X
X
O
16x
O
X
O
X
X
O
16.5x
X
X
O
X
X
O
17x
O
O
X
X
X
O
18x
X
O
X
X
X
O
O: ON / X :OFF
CLK_RATIO
You must set CLK_SW to 100MHz
when you used FSB 200MHz CPU.
CLK_SW
O N
AUTO
OFF
100MHz
AUTO : Supports FSB 400/333/266 MHz CPU
100MHz : Fix FSB 200MHz CPU
CLK_SW
Default Setting : OFF
OFF
O N
5
O N
2
3
4
CLK_RATIO
6
1
7n400e_1001_q.p65
2003/7/17, ¤U¤И 02:58
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