Gigabyte GA-8I945GMBX Manual - Page 7

Block Diagram

Page 7 highlights

Block Diagram VGA PCI-ECLK (100MHz) LGA775 Processor CPUCLK+/-(266/200/133MHz) Host Interface DDRII 667(Note)/533/400MHz DIMM PCI Express x16 Intel 945G GMCH 1 PCI Express x 1 Port PCI-ECLK(100MHz) RJ45 Intel Tekoa 82573V PCI Express x1 Bus PCI Bus TSB43AB23 Intel ICH7R Dual Channel Memory DOTCLK (96MHz) SRCCLK-MCH (100MHz) GMCHCLK (266/200/133MHz) 66MHz 33MHz 14.318MHz 48MHz 100MHz BIOS 4 Serial ATAII ATA33/66/100 IDE Channels Floppy IT8712 LPT Port COM Ports 2 PCI CODEC 8 USB Ports 48MHz 33MHz PS/2 KB/Mouse 3 IEEE1394 Center/Subwoofer Speaker Out Surround Speaker Out Side Speaker Out MIC Line-Out Line-In SPDIF In SPDIF Out PCICLK (33MHz) (Note) To use a DDRII 667 memory module on the motherboard, you must install an 800/1066MHz FSB processor . - 7 -

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Block Diagram
TSB43AB23
3 IEEE1394
LGA775
Processor
CPUCLK+/-(266/200/133MHz)
VGA
BIOS
PCI Express x16
33MHz
14.318MHz
DDRII 667
(Note)
/533/400MHz DIMM
Host
Interface
Intel
945G
GMCH
Dual Channel Memory
GMCHCLK (266/200/133MHz)
66MHz
48MHz
PCI Bus
4 Serial ATAII
IT8712
ATA33/66/100
IDE Channels
LPT Port
COM Ports
Floppy
PS/2 KB/Mouse
48MHz
33MHz
8 USB
Ports
Intel
ICH7R
CODEC
Line-Out
MIC
Line-In
SPDIF In
SPDIF Out
Side Speaker Out
Center/Subwoofer Speaker Out
Surround Speaker Out
2 PCI
PCI-ECLK
(100MHz)
1 PCI Express x 1 Port
PCI-ECLK(100MHz)
PCI Express x1 Bus
PCICLK
(33MHz)
RJ45
(Note)
To use a DDRII 667 memory module on the motherboard, you must install an 800/1066MHz FSB
processor .
100MHz
SRCCLK-MCH (100MHz)
DOTCLK (96MHz)
Intel Tekoa
82573V