Gigabyte Pentium II Processor 6EA Manual do Utilizador descarregar pdf (Página 16)

Hardware Installation

3-6

DIP SWITCH (SW)

1 2 3 4

FREQ.

RATIO

EXT.CLK.

MHz

INT.CLK.

MHz

CPU Type

OFF OFF ON ON 3.5 66 233 Pentium



II 233 MHz

ON ON OFF ON 4 66 266 Pentium



II 266 MHz

OFF ON OFF ON 4.5 66 300 Pentium



II 300 MHz

ON OFF OFF ON 5 66 333 Pentium



II 333 MHz

OFF OFF OFF ON 5.5 66 366 Pentium



II 366 MHz

MAIN CLOCK JP2 JP3 JP4

66MHz

1-2 1-2 1-2

75MHz

1-2 2-3 1-2

83MHz

2-3 2-3 2-3

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 the

system can automatically boot OS every time. Since the lifetime of internal

battery is 5 years, the user can change a new Battery to replace old one after it

cannot work.

M Danger of explosion if battery is incorrectly replaced.

M Replace only with the same or equivalent type recommended by the

manufacturer.

M Dispose of used batteries according to the manufacturer’ s instructions.

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