1-6 Chapter 1: Product introduction
1.5.3 Motherboard layout
M3N78 SE
PCIEX16
PCIEX1_1
PCIEX1_2
PCI2
PCI3
PCI1
FLOPPY
USB910 USB78 USB1112
F_PANEL
SPDIF_OUT
AAFP
CD
ATX12V
EATXPWR
CPU_FAN
Lithium Cell
CMOS Power
Super
I/O
ALC
662
Realtek
8211CL
KB_USB56
8Mb
BIOS
SB_PWR
CLRTC
SPEAKER
21.8cm(8.6in)
NVIDIA
®
MCP78D
DDR2 DIMM_A1 (64bit, 240-pin module)
SOCKET AM2
DDR2 DIMM_B1 (64bit, 240-pin module)
SATA4
SATA3
SATA2
SATA1
AUDIO
LPT
COM
LAN1_USB12
USB34
30.5cm(12.0in)
PRI_IDE
1 2 3 4
5
6
7
8
9
10111213
2
14
Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page
1. AM2+ CPU Socket 1-7 8. Internal speaker connector (4-pin SPEAKER) 1-18
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 1-22 9. System panel connector (10-1 pin F_PANEL) 1-23
3. CPU fan connector (4-pin CPU_FAN) 1-8 10. Clear RTC RAM (3-pin CLRTC) 1-15
4. DDR2 DIMM slots 1-10 11. Floppy disk drive connector (34-1 pin FLOPPY) 1-17
5. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4) 1-19 12. Optical drive audio connector (4-pin CD) 1-20
6. USB connectors (10-1 pin USB78, USB 910, USB1112) 1-20 13. Front panel audio connector (10-1 pin AAFP) 1-21
7. IDE connector (40-1 pin PRI_IDE) 1-18 14. Digital audio connector (4-1 pin SPDIF_OUT) 1-21
1.5.4 Layout contents