Gigabyte GA-7VAX-A User Manual - Page 16

Step 1: Install the Central Processing Unit CPU

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English Step 1: Install the Central Processing Unit (CPU) Step1-1: CPU Speed Setup The clock ratio can be switched by CK_RATIO and refer to below table. CLK_RATIO O: ON / X :OFF RATIO 1 2 3 4 56 AUTO X X X X XX (De fault) 5x O O X O OO 5.5x X O X O OO 6x O X X O OO 6.5x X X X O OO 7x O O O X OO 7.5x X O O X OO 8x O X O X OO 8.5x X X O X OO 9x O O X X OO 9.5x X O X X OO De fau lt Setting : Auto (X X X X X X) 10x O X X X OO 10.5x X X X X OO 11x O O O O OO O: ON / X :OFF 11.5x 1 12x SW1 12.5x 13x ON 13.5x CK_RATIO Default Setting: 100MHz 14x X O O O OO O X O O OO X X O O OO O OX O XO X OX O XO O X X O XO SW1 CPU CLOCK 15x O OO X XO 100MHz AUTO 16x O X O X XO 1 ON OFF 16.5x X X O X XO 17x 100MHz : Fix FSB 200MHz CPU 18x Auto : Sup port FSB 266/333 MHz CPU O OX X XO X OX X XO You must set SW1 to 100MHz when you used FSB 200MHz CPU. MNote: In order to BIOS can auto detecting when your CPU mutiplier over 18x, please adjust mutiplier swich in CK Raito to "AUTO." ON 1 23456 KT400A Series Motherboard - 12 -

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- 12 -
KT400A Series Motherboard
English
Step 1: Install the Central Processing Unit (CPU)
Step1-1: CPU Speed Setup
The clock ratio can be switched by CK_RATIO and refer to below table.
Default Setting :
Auto (X X X X X X)
O: ON / X :OFF
Default Setting: 100MHz
5
1
ON
2
3
4
CK_RATIO
6
SW1
1
ON
SW1
CPU CLOCK
100MHz
AUTO
1
ON
OFF
M
Note: In order to BIOS can auto detecting when
your CPU mutiplier over 18x, please adjust mutiplier
swich in CK Raito 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 SW1 to 100MHz when
you used FSB 200MHz CPU.
100MHz : Fix FSB 200MHz CPU
Auto : Support FSB 266/333 MHz CPU