1-6 Chapter 1: Product introduction
1.5.3 Motherboard layout
1.5.4 Layout contents
Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page
1. CPU, chassis, and power fan connectors (4-pin
CPU_FAN, 3-pin CHA_FAN, 3-pin PWR_FAN)
1-21 9. System panel connector (20-8 pin PANEL) 1-25
2. ATX power connectors (24-pin EATXPWR, 4-pin
ATX12V)
1-22 10. LPT connector (26-1 pin LPT) Onboard
LED USB device wake-up (3-pin
USBPW5-8)
1-26
3. LGA775 CPU socket 1-7 11. Floppy disk drive connector (34-1 pin
FLOPPY)
1-28
4. DDR2 DIMM slots 1-12 12. Onboard LED 1-4
5. Serial ATA connectors (7-pin SATA1-4) 1-23 13. USB connectors (10-1 pin USB56 USB78
and USB910)
1-26
6. IDE connector (40-pin PRI-EIDE) 1-24 14. Digital audio connector (4-1 pin
SPDIF_OUT)
1-27
7. Clear RTC RAM (3-pin CLRTC) 1-19 15. Optical drive audio connector (4-pin CD) 1-27
8. Chassis intrusion connector (4-1 pin CHASSIS) 1-23 16. Front panel audio connector (10-1 pin
AAFP)
1-28
P5N73-CM
21.3cm (8.4in)
24.5cm (9.6in
)
SATA1
SATA4
SATA2
SATA3
PS/2KBMS
T:
Mouse
B:
Keyboard
CPU_FAN
PWR_FAN
E
A
TXPWR
PRI_IDE
PANEL
USB910
USB78
USB1112
AAFP
MCP73PV
DDR2 DIMM_1(64 bit,240-pin module)
DDR2 DIMM_2(64 bit,240-pin module)
CR2032 3V
Lithium Cell
CMOS Power
PCI2
PCI1
PCIEX16
PCIEX1_1
CD
AUDIO
USB34
LAN1_USB12
CHASSIS
ATX12V
R
FLOPPY
Super I/O
CPU_FAN
LPT
8Mb
BIOS
DVI_VGA
COM2
SB_PWR
CLRTC
SPDIF_OUT
RTL
8211CL
VIA
VT1708B
LGA775
1
2
31 12 4 5
6
7
8
9
10
111315 1416 12
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