33
Chapter 2 Hardware Setup
1 4
DIMM1
DIMM2
1
mPGA478B
Intel RG82845-D
Intel RG82845
1 3
FAN2
1 3
FAN3
1 3
FAN1
AGP 4X
PCI 1
PCI 2
PCI 3
PCI 4
PCI 5
PCI 6
FWH
WOL1
1 3
LPC I/O
Controller
AC'97
Codec
CNR
SW1
ON
DIP
1 2 3 4 5
IDE2
IDE1
1
1
1
FDC1
Li
Battery
82801BA
JBAT1
1 3
JP3
JP4
1 3
1 3
JP13
1 3
JP2
1 3
1 3
1 3
RT2
RT1
Peripheral Power Connector
+12 Power Connector
4 3
2 1
Main Power Connector
USB1
1
16
PS/2
MOUSE
PS/2
K/B
upper
lower
USB1
USB0
upper
lower
LPT1
COM1COM2
MIC
GAME/MIDI PORT
LINE
OUT
LINE
IN
NJP1
SPEAK RST KEYLOCKPWR/LED SUS_LED
IDE_LED
IR PWR SMI
30
1
++
--
+
-
CD9
CD10
1 4
JAGP1
JAGP2
LED1
SCR1
CMEM1
1
2-7.6 ATX Power Supply Connectors version 2.03 for Pentium 4
• This mainboard is compatible with both ATX Power Supply Version 2.03
(with +12V Power Connector) and the older ATX Power Supply (with
Peripheral Power Connector):
+12V Power Connector
12
34
GND
+12V
GND
+12V
Main Power Connector
Pin11
+3.3V
-12V
GND
PS_ON#
GND
GND
GND
-5V
+5V
+5V
+3.3V
+3.3V
GND
+5V
GND
+5V
GND
PWR_OK
5SB
+12V
PIN1
Peripheral Power Connector
+12V
GND
GND
+5V
Pin 4
Pin 1
Important:
1. If users use an older ATX Power Supply with Peripheral Power Connector,
please connect both the Main Power Connector and the Peripheral Power
Connector to mainboard.
2.
If users use the ATX Power Supply Version 2.03 (with a +12V Power
Connector), please connect either the +12V Power Connector or
Peripheral Power Connector in addition to the Main Power Connector.