Trinity KT400 S2495
Chapter 2: Board Installation
2-5
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CPU FSB Select (JCK1 & JCK2)
S 2 4 9 5
C P U
U S B 3
1
1
1
1
1
1
1
1
1
1
1
KB1
USB1
COM1
COM2
LPT1
FAN1
ATX1
USB2
AUD2
CD1
AUX1
AUD1
ALC650
SPDIF1
FAN3
JCK1
JCK2
VT6103
AGP1
W83697HF
GAME1
BIOS
WOL
FAN2
VIA KT400
VT8377
VIA
VT8235
PCI1
PCI2
PCI3
PCI4
PCI5
PCI6
SATA2
SATA1
FDD
LED2
CMOS
BAT1
(Optional)
(Optional)
HPT372N
(Optional)
SII3112
(Optional)
(Optional)
(Optional)
PRI-IDE
SEC-IDE
RAID IDE2
RAID IDE1
J1
LED1
DIMM1
DIMM2
DIMM3
JCK1
JCK1
JCK2
Note:
Ÿ
For software FSB programming by BIOS SETUP utility, JCK1 and JCK2 have to
place at Default (see 3.9 – Frequency/Voltage Control).
JCK#
100MHz*(Default)
133MHz
166MHz
JCK1
1 3
1 3
.
1 3
JCK2
1 3
1 3
1 3
About the jumpers setting (JCK1 & JCK2) please see the following information:
1.
If JCK1 and JCK2 are left in their default settings (100MHz) then the BIOS will
automatically detect a 100MHz or 133MHz CPU automatically.
2.
If you want to use a 333MHz CPU then you will need to manually change the jumpers to
the 166MHz setting, however if you set the CPU FSB to this speed then you'll only be
able to run the memory at DDR333.