Gigabyte GA-VM900M - Block Diagram

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Block Diagram
(Note) Use of a 1066/800 MHz FSB CPU is required if you wish to install DDR2 667 MHz memory.
LGA775
Processor
Host
Interface
VIA
P4M900
DDR2 667/533/400 MHz DIMM
(Note)
VIA
VT8237S
2 PCI
PCI Bus
PCI Express x1
PCI Express Bus
PCIe CLK (100 MHz)
2 SATA 3Gb/s
x1
PCI CLK
(33 MHz)
PCIe CLK
(100 MHz)
PCI Express x16
8 USB Ports
Winbond
W83627
Floppy
PS/2 KB/Mouse
LPT Port
Center/Subwoofer Speaker Out
Line-Out
MIC
Line-In
SPDIF In
SPDIF Out
Side Speaker Out
Surround Speaker Out
CODEC
COM Ports
RTL8201
LAN
D-Sub
CPU CLK+/-(266/200/133 MHz)
BIOS
DDR2
RJ45
ATA-133/100/66/33
IDE Channel