1.2 System Unit Components 1 Hardware Overview

1.2 System Unit Components

Figure 1-4 is a block diagram of the system unit.

CPU : Intel
Dothan
1. 3G/ 1. 4G
/1.5G/1.6G UPGA
Expansi on
Me mo r y
256/ 512/ 1024
Expansi on
Me mo r y
256/ 512/ 1024
Max 6657
Themal Sensor
PC 4 2 0 0 DDRI I
533 Mhz
Cl o c k Ge n e r a t o r
( I CS951413)
CP U V I D I SL6218
ATI
RC410MB
Nor t h Br i d ge
DC
S- Vi de o
LCD 15. 4"
LVDS
CRT
DMI
SM Bus
Con t .

ATI

Sb4 00

Sou t h

Br i dg e

Ac 97
IDE
Co n t .
US B
Co n t .
(02)
PCI - PC
Br i d ge
Int-HDD
40- 120GB
9. 5mm
JMI CRON
Jm20330
DV D- ROM
CD- RW/DVD ROM
DV D Super Mul t i
SATA
LAN
Con t .
RTL 810 0CL
10/ 100
Mi n i
PCI Sl ot
802. 11g
Wireless
Lan
Ant en n a
EEPROM
Rj 4 5
CA RD BU S
PCI 1410
Con t r o l l er
PCMCI A
1394
TSB4 3AB21 A
1394
TPA6011
Sp e a k er
Sp e a k er
MIC
He a d p h o n e
MDC
Modem Rj 1 1
CODE C
AL C2 5 0
US B
US B
US B
Mai n Bat t er y
EEPROM
I2C
EC/ KBC
KBC1100L
Fl a sh
ROM
Stick point
K/ B
KPA AC
1269A
Internal LPC
VRAM

Figure 1- 4 System unit block diagram

EQUIUM M40/M45/Satellite M40/M4 5 Maintenance Manual 8