![](http://pdfasset.owneriq.net/d/f2/df2f29e7-9eaf-4ab5-8eae-7eaeadfa3c31/df2f29e7-9eaf-4ab5-8eae-7eaeadfa3c31-bg7.png)
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Block Diagram
LGA775
Processor
CPUCLK+/-(200/133MHz)
PCI Express x16
33MHz
Host
Interface
Intel
915PL
MCH
MCHCLK (133/200MHz)
66MHz
48MHz
COM Ports
Floppy
PS/2 KB/Mouse
24MHz
33MHz
IT 8712
4 Serial ATA
ATA33/66/100
IDE1 Channels
Intel
ICH6
14.318MHz
BIOS
8 USB
Ports
PCI Express x1 Bus
PCICLK
(33MHz)
3 PCI
PCI Bus
LPT Port
2 PCI Express x 1 Ports
DDR 400/333MHz DIMM
Dual Channel Memory
PCI-ECLK
(100MHz)
PCI-ECLK
(100MHz)
RJ45
Marvell
8001
Line-Out
MIC
CODEC
Line-In
SPDIF In
SPDIF Out
Center/Subwoofer Speaker Out
Side Speaker Out
Surround Speaker Out