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5AA
socket at Vertical angle. If there is a wrong direction of Pin 1, the DRAM DIMM
module couldn't be inserted into socket completely
3.6. CPU INSTALLATION AND JUMPERS SETUP
The system speed depends on the frequency of CLOCK GENERATOR. The user
can change SW selection to set up the system speed to 66 / 75 /83 /95 100MHz for
3.3V/2.5V Pentium
Processor (133 / 166 / 200 MHz) ;MMX(166 / 200 / 233 MHZ) ,
AMD K6-(166 / 200 / 233 / 266 / 300 ; K6-2(266 / 300 / 333 / 350 / 366 / 380 / 400 /
450 / 475 / 500 / 550) ; K6-III(400 / 450 / 475 / 500 / 550) , Cyrix / IBM 6x86MX
(PR166 / PR200 / PR233 / PR266 ) ; M¢ º - PR300 / PR333 / PR366 / PR400 ; IDT
Winchip 2-(200 / 225 / 233 / 266 / 300) ; IDT Winchip 3-(266) ; RISE MP6-(266).
The mainboard can use Pentium
III, Cyrix / IBM 6x86MX, Cyrix M¢ º , IDT Winchip 2, IDT Winchip 3, RISE MP6
CPU, and the CPU speed must match with the frequency of CLOCK GEN. It will
cause system hanging up if the CLOCK GEN.'S frequency is faster than CPU's.
M
The CPU is a sensitive electric component and it can be easily damaged
by static electricity, so users must keep it away from metal surface when
the CPU is installed onto mainboard.
M
When the user installs the CPU on socket, please notice that the PIN 1 of
CPU is in the same corner as the PIN 1 of socket!
M
Before the CPU is installed, the mainboard must be placed on a flat plane
in order to avoid being broken by the pressure of CPU installation.
O: ON
X: OFF
SW
4
5
X
X
1.3V
X
O
1.4V
X
X
1.5V
X
O
1.6V
X
X
1.7V
X
O
1.8V
X
X
1.9V
X
O
2.0V
O
X
2.1V
X
O
2.2V
O
O
2.3V
X
X
2.4V
Processor, MMX , AMD-K6, AMD-K6-2, AMD-K6-
6
7
8
SW
X
X
O
2.5V
X
X
O
2.6V
O
X
O
2.7V
O
X
O
2.8V
X
O
O
2.9V
X
O
O
3.0V
O
O
O
3.1V
O
O
O
3.2V
X
X
X
3.3V
X
X
X
3.4V
X
X
X
3.5V
O
X
X
---
3-6
.
4
5
6
7
O
X
O
X
X
O
O
X
O
O
O
X
X
X
X
O
O
X
X
O
X
O
X
O
O
O
X
O
X
X
O
O
O
X
O
O
X
O
O
O
O
O
O
O
---
---
---
---
8
X
X
X
X
X
X
X
X
X
X
X
---
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- Mainboard Layout
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