Service manual

Schematic Diagrams
B - 2
Schematic Diagrams
System Block Diagram
Sheet 1 of 29
System Block
Diagram
VRD
10.0
CK-409
mPGA478B Socket for
Prescott or Northwood
2DIMMs
I/O Controller
Hub
LPC BUS
SPRINGDALE
GMCH-PE
ICH5
Hub Link
1.5
H8 KBC
FSB
33 MHz (PCI CLOCK)
PCIs
LPC IO
66 MHz (HUB LINK)
100/133/200 MHz
ICH5
48 MHz (IO CLOCK)
XTAL
48 MHz (USB)
66 MHz (HUB LINK)
14.318 MHz (REF CLOCK)
100 MHz SRC (SATA)
100/133/200 MHz
100/133/200 MHz
33 MHz (PCI CLOCK)
33 MHz (PCI CLOCK)
CPU
DDR DIMMs
133/167/200
MHz
14.318 MHz
Clock GEN.
GMCH
ITP
VGA
CRT PORT
AC97
24 MHz
32.768 KHz
XTAL
XTAL
TV OUT
LCD
LPC
SIO
Floppy
NS87393
Keyboard
PS2 X2
FAN X 3
HDD CDROM
FDD or BATT
USB Port 3
USB 2.0/1.1
USB Port 2
USB Port 4
USB Port 1
PRI
SEC
ULTRA
DMA33/66/100
HDD
Blue Tooth
Audio
Codec
MBC
VRAM 2
CHANNEL
AGP 8X
SATA Interface
Card Reader
AC'97 LINK
SPK. OUT
SPDIF
MIC. IN
BATT. X2
CDROM
OZ165
AUDIO
DJ
IR
BIOS ROMParallel
DEBUGB
PORT
12 MHz
LAN /GIGA
8100C
/8110S
PCI BUS
MINI
PCI
1394
CARD BUS