Schematic Diagrams
B - 2
B.Schematic Diagrams
System Block Diagram
+3V
DIMM 2
RTC
Winbond
Hub interface 1.5
RealTek
( BIOS )
LPC Bus
400/533/800MHz
LGA-775
IDE 1
RJ-11
+1.7V
RJ-45
( South Bridge )
LVDS
IDE 2
SB5V
ICH-5
(ATA-100)
AC'97 MDC
AC'97 Bus
DVO
Audio Codec
WLAN or
IEEE1394
OPTION
KEYBOARD
/ MOUSE
IDE Bus
2 * 14MHz
EXT.
HEAD PHONE
+12V
3 * CPUCLKT
(ATA-100)
GENERATOR.
Dual-Channel DDR Memory - Bus
MINI-PCI
SATA
W83627HF
+1.275V
AC'97
POWER
+5V
460 mBGA
RTL8110SBL
PCI Bus
PARALLEL
LCD
USB 4
MODULE
PWM
PCI Bus
AC'97 Bus
CRT
Intel
POWER
CHRONTEL
TOUCH
PANEL
USB 1
USB 2
L297T System Block Diagram
MIC
Firmware
3 * CPUCLKC
SERIAL
GPIOs
Intel
REGULATOR
PANEL
+1.5V
Intel Pentium 4 processor
( North Bridge )
Channel B
RTCVCC
PCI1520
TV-TUNER
LINE IN
CARDBUS
SUPER I/O
Prescott or Northwood
V_CORE
SPRINGDALE-G
EXTERNAL
DIMM 1
3 * 66MHz
DUAL2.5V
SB3V
Channel A
USB 3
CH7017A
6 * PCI-33MHz
VTT1.2V
R.G.B.
INT.
FLOPPY
Host Bus
266MB/s
HUB
CLOCK
2 * 48MHz
Sheet 1 of 29
Schematic Diagram
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