- 8 -
Block Diagram
(Note 1) DDR II memory can be overclocked to 888MHz (must be used with a 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.
Only for GA-8I955X Royal. Only for GA-8I955X Pro.
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
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
RJ45
Broadcom
5751
x1
LAN1
RJ45
x1
x1
x1
Broadcom
5789
x1
LAN
RJ45
PCI Bus
