Cpu Speed Setup; Cmos Rtc & Isa Cfg Cmos Sram - Gigabyte 6WXM User Manual

3.5. CPU SPEED SETUP

The system bus frequency can be switched between 66, 100 MHz
by adjusting JP6 & JP28 (See Figure-1). The CPU Frequency is
control by BIOS.
JP6 / JP28: System Bus Speed
CPU JP6 JP28
IT8888
AUTO 1-2
66 2-3
100 NC
133 NC
«
Note: Please set the CPU host frequency in accordance with your
processor' s specifications. We don' t recommend you to set the
system bus frequency over the CPU' s specification because these
specific bus frequencies are not the standard specifications for
CPU, chipset and most of the peripherals. Whether your system can
run under these specific bus frequencies properly will depend on
your hardware configurations, including CPU, Chipsets, SDRAM,
Cards... .etc.
3.6. CMOS RTC & ISA CFG CMOS RAM
There're RTC & CMOS RAM 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 RAM is used for keeping the information of system configuration, so
the system can automatically boot OS every time. Since the lifetime of
AC97
JP6
YMF
744
1
ICH/
6WXM
82801
1-2
2-3
2-3
NC
Backup Main
BIOS BIOS
Figure-1
3-8
Hardware Installation
JP28
GMCH-E/
82810E
1