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Block Diagram
(Note 1) DDR II memory can be overclocked to 888MHz (must be used with an 1066MHz FSB
processor) through overclocking in BIOS. Go to GIGABYTE's website for more information
about the supported DDR II memory modules for this feature.
(Note 2) To use a DDR II 667 memory module on the motherboard, you must install an 800/1066MHz
FSB processor.
Center/Subwoofer Speaker Out
Line-Out
MIC
LGA775
Processor
CPUCLK+/-(266/200/133MHz)
PCI Express
x16
33MHz
Host
Interface
Intel
®
955X
MCHCLK (266/200/133MHz)
66MHz
48MHz
DDRII 888
(Note 1)
/667
(Note 2)
/533MHz
DIMM
24MHz
33MHz
IT 8712F
ATA33/66/100 IDE
Channel
Intel
®
ICH7R
14.318MHz
Dual BIOS
CODEC
Line-In
PCICLK(33MHz)
3 PCI
PCI Bus
3 IEEE1394b
SPDIF In
SPDIF Out
2 PCI Express x 1
PCI Express Bus
8 USB
Ports
Dual Channel Memory
Floppy
PS/2 KB/Mouse
LPT Port
COM Port
SN082AA2
SN081BA3
SiI3132
Side Speaker Out
Surround Speaker Out
PCI-ECLK
(100MHz)
PCI-ECLK
(100MHz)
4 SATA 3Gb/s
2 SATA 3Gb/s
IT8212F
ATA33/66/100/133 IDE Channel
Broadcom
5751
x1
LAN2
Only for GA-8I955X Royal. Only for GA-8I955X Pro.
RJ45
Broadcom
5751
x1
LAN1
RJ45
x1
x1
x1
Broadcom
5789
RJ45
LAN