Plug in the CPU fan cable to the 3-pin
CPUFAN1
connector. If you have chassis fan, you
can also plug it on
SYSFAN2
or
SYSFAN3
connector.
5. Setting CPU Voltage & Frequency
4. JP20 K7 Host Clock Selection
3. Installing CPU & Housing Fan
This jumper is used to specify the relationship of PCI and FSB clock. Generally speaking, if
you are not an over-clocker, we recommend you to set it to the default setting. Additionally,
this motherboard also provides “
1MHz Stepping Adjustment
” feature for overclockers to
adjust CPU FSB frequency via BIOS setup program. Based on the CPU type, the adjustment
range has four levels: 100~129, 130~160,161~191 and 200-250MHz for your choosing. If
you fix the CPU FSB frequency by JP20, the “1MHz Stepping Adjustment” range will be
changed and following the JP20 setting.
Note: Some CPU fans do not have
sensor pin, so that cannot support
fan monitoring.
CPUFAN1 Connector
SYSFAN2 Connector
Setting CPU Core Voltage
This motherboard supports CPU VID function. The CPU core voltage will be
automatically detected and the range is from 1.1V to 1.85V. It is not
necessary to set CPU Core Voltage
Setting CPU Frequency
This motherboard is CPU jumper-less design, you can set CPU frequency
through the BIOS setup, and no jumpers or switches are needed.
BIOS Setup > Frequency / Voltage Control > CPU Speed Setup
Core Frequency = CPU FSB Clock * CPU Ratio
CPU Ratio
From 5x to 18x step 0.5x
CPU FSB (By manual
Adjustment)
FSB=100, 100~129 by 1MHz stepping adjustment technology
FSB=133, 130~160 by 1MHz stepping adjustment technology
FSB=166, 161~191 by 1MHz stepping adjustment technology
FSB=200, 200~250 by 1MHz stepping adjustment technology
CPU
CPU Core
Frequency
EV6 Bus Clock
Ratio
Athlon 1.33G
1.33GHz
266MHz
10.0x
Athlon 1.4G
1.4GHz
266MHz
10.5x
AthlonXP 1500+
1.3GHz
266MHz
10.0x
AthlonXP 1600+
1.4GHz
266MHz
10.5x
AthlonXP 1700+
1.46GHz
266MHz
11.0x
AthlonXP 1800+
1.53GHz
266MHz
11.5x
AthlonXP 1900+
1.6GHz
266MHz
12.0x
AthlonXP 2000+
1.667GHz
266MHz
12.5x
AthlonXP 2100+
1.73GHz
266MHz
13x
AthlonXP 2200+
1.80GHz
266MHz
13.5x
AthlonXP 2400+
2.0GHz
266MHz
15x
AthlonXP 2500+ (Barton)
1.833GHz
333MHz
11x
AthlonXP 2600+
2.13GHz
266MHz
16x
AthlonXP 2600+
2.08GHz
333MHz
12.5x
AthlonXP 2700+
2.16GHz
333MHz
13x
AthlonXP 2800+ (Barton)
2.083GHz
333MHz
12.5x
AthlonXP 3000+ (Barton)
2.167GHz
333MHz
13x
AthlonXP 3200+ (Barton)
2.2GHz
400MHz
11x
Note:
With CPU speed changing rapidly, there might be fastest CPU on the
market by the time you received this installation guide. This table is kindly for
your references only.
SYSFAN3 Connector
Pin 1
FSB100
FSB133
FSB166
FSB200
1 2
JP20 K7 Host Clock
Select Jumper
Warning: VIA
®
Apollo KT600
chipset supports
200MHz FSB
(with
performance
reaches
maximum
400MHz EV6
system bus) and
66MHz AGP
clock, higher
clock setting may
cause serious
system damage.
Tip: If your system hangs or fails to boot because of overclocking, simply use <Home>
key to restore the default setting or you can wait the AOpen “Watch Dog ABS” reset
the system in five seconds and system will auto-detect hardware again.
Warning: Supposed you have had adjusted CPU ratio on your current CPU, and you
plan to replace a new CPU. Please use <Home> key or Clear CMOS to restore the
default setting when changing a new CPU, because the system will still implement the
previous CPU setting on the new one.
GND
+12V
SENSOR
GND
+12V
SENSOR
GND
+12V
SENSOR
