35. A south bridge chipset handles controls all of the
computers I/O functions, such as USB, audio, serial, the
system BIOS, the ISA bus, the interrupt controller and
the IDE channels.
The north bridge typically handles communications
among the CPU, in some cases RAM, and PCI Express
(or AGP) video cards.
CMOS is short for Complementary Metal-Oxide
Semiconductor. CMOS is an on-board semiconductor
chip powered by a CMOS battery inside computers that
stores information such as the system time and date and
the system hardware settings for your computer.
43. Communications and Networking Riser (CNR) is a
slot found on certain PC motherboards and used for
specialized networking, audio, and telephony equipment.
Peripheral Component Interconnect,[1] part of the
PCI Local Bus standard and often shortened to
PCI) is a computer bus for attaching
hardware devices in a computer.
80. SMPS
Switching Mode Power Supply
SMPS
Fan
230 V AC
Input
230 V AC
Output
81. Red(R) +5V Purple(P) +5V Stand By
Yellow(Y) +12V Blue(Blu) -12V
Orange(O) 3.3V Green(G) Power Supply On
Grey(Gr) Power Good White(W) -5V
ATX Power Connector
O Blu B G B B B W R R
11 12 13 14 15 16 17 18 19 20
1 2 3 4 5 6 7 8 9 10
O O B R B R B Gr P Y
118. In this section you will learn
How to assemble a Pentium – IV PC with
• P – IV 1.6 GHz 478 pin CPU
• KOB P4M266 NDFSMX Mother Board
• 256 MB SD RAM
• Sony FDD
• Creative Infra 48X CD ROM Drive
• Seagate 40 GB HDD
• 10 /100 Realtek Ethernet Card
279. Red(R) +5V Purple(P) +5V Stand By
Yellow(Y) +12V Blue(Blu) -12V
Orange(O) 3.3V Green(G) Power Supply On
Grey(Gr) Power Good White(W) -5V
O Blu B G B B B W R R
11 12 13 14 15 16 17 18 19 20
1 2 3 4 5 6 7 8 9 10
O O B R B R B Gr P Y
