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3.5. CPU SPEED SETUP
The system bus speed can be set to 66 / 100MHz form the DIP SWITCH
(SW). The user can change the DIP SWITCH selection to set up the CPU
speed for different processors.
ON: O OFF: X
CPU Type
Pentium ® II 233 MHz
™
(Celeron
233MHz)
Pentium ® II 266 MHz
(Celeron
™
266MHz)
Pentium ® II 300 MHz
™
(Celeron
300MHz)
Pentium ® II 333 MHz
™
(Celeron
333MHz)
Pentium ® II 366 MHz
™
(Celeron
366MHz)
Pentium ® II 400 MHz
(Celeron
™
400MHz)
Pentium ® II 433 MHz
™
(Celeron
433MHz)
Pentium ® II 350 MHz
Pentium ® II 400 MHz
Pentium ® III 450 MHz
Pentium ® III 500 MHz
Pentium ® III 550 MHz
Pentium ® III 600 MHz
Pentium ® III 650 MHz
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 main board.
3.6. CMOS RTC & ISA CFG CMOS SRAM
There're RTC & CMOS SRAM on board; they have a power supply from
external battery to keep the DATA inviolate & effective. The RTC is a REAL-
TIME CLOCK device, which provides the DATE & TIME to system. The
CMOS SRAM is used for keeping the information of system configuration, so
SW1
SW2
SW3
SW4
X
X
O
O
O
O
X
O
X
O
X
O
O
X
X
O
X
X
X
O
O
O
O
X
X
O
O
X
X
X
O
O
O
O
X
O
X
O
X
O
O
X
X
O
X
X
X
O
O
O
O
X
X
O
O
X
3-7
Hardware Installation
SW5
SW6
SW7
SW8
O
X
X
O
O
X
X
O
O
X
X
O
O
X
X
O
O
X
X
O
5
O
X
O
O
X
X
O
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
5
5
5
5
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