2
16
Hardware Installation
2.1 System Board Layout
Chapter 2 - Hardware Installation
NB30-EC
(Uses Intel
®
845GL chipset)
KB
Mouse
CN2
Wake-On-
KB/Mouse (JP1)
+12V power
(ATXP1)
COM 1
(CN3)
Parallel
(CN4)
VGA
(CN1)
CN5
USB
3
USB
4
CN6
Line- out Line-
in Mic- in
Game/MIDI
(J3)
Audio jacks
(CN7)
Chassis open
(J7)
COM 2
(J10)
Wake-On-Ring (J11)
IrDA (J8)
S/PDIF
out (J2)
S/PDIF
in (J5)
TAD
(J4)
CD-in (J6)
4CH audio
(J9)
Sock
et
478
3.3VSB Standby
for PCI (JP3)
JP5
JP4
JP4/JP5:
USB 6 select
USB 5 & 6
(J12)
RESET
SPEAKER
HD-LED
J17
ATX-SW
G-LED
G-SW
PWR-LED
Clear CMOS
(JP7)
Battery
Firmware
Hub
Wake-On-
LAN (J20)
Chassis fan
(J19)
DDR SDRAM
DIMM 1
DDR SDRAM
DIMM 2
FDD
(J15)
IDE 1
(J18)
IDE 2
(J16)
ATX Main Power
(PL1)
CPU fan
(J13)
Second fan
(J14)
ADD Slot
PCI Slot 1
PCI Slot 2
PCI Slot 3
CNR Slot
PCI Standby Power LED
AC’97
Front
audio
(J1)
DIMM
Standby
Power LED
Intel
845GL
Intel
ICH4
Winbond
W83627HF
Square denotes pin 1
USB
1
USB
2
ADD Warning LED
Wake-On-USB KB
for USB 1/2/3/4 (JP8)