Block Diagram - Gigabyte GA-8I955X Pro User Manual

Block Diagram

PCI-ECLK
(100MHz)
LAN
RJ45
Broadcom
5789
x 1
PCI Express Bus
PCI-ECLK
(100MHz)
2 PCI Express x 1
PCI Bus
SN082AA2
SN081BA3
3 PCI
PCICLK(33MHz)
(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.
PCI Express x16
LAN2
LAN1
RJ45
RJ45
Broadcom Broadcom
5751 5751
x 1 x 1
x 1 x 1
x 1
SiI3132
2 SATA 3Gb/s
IT8212F
LGA775
Processor
Host
Interface
Intel
®
955X
Intel
®
ICH7R
CODEC
Only for GA-8I955X Pro.
- 8 -
CPUCLK+/-(266/200/133MHz)
DDRII 888 /667
(Note 1)
Dual Channel Memory
MCHCLK (266/200/133MHz)
66MHz
33MHz
14.318MHz
48MHz
Dual BIOS
4 SATA 3Gb/s
ATA33/66/100 IDE
IT 8712F
24MHz
33MHz
8 USB
Ports
/533MHz DIMM
(Note 2)
Channel
Floppy
LPT Port
COM Port
PS/2 KB/Mouse