5
B75H2-M3 USER MANUAL
Chapter 1
Table of Motherboard Components
LABEL
COMPONENTS
1. CPU Socket
LGA1155 socket
2. CPU_FAN
4-pin CPU cooling fan connector
3. PWR_FAN
3-pin power cooling fan connector
4. DDR3_1~2
240-pin DDR3 Module slots
5. ATX_POWER
Standard 24-pin ATX power connector
6. USB3F
Front panel USB 3.0 header
7. SATA1
Serial ATA 6.0 Gb/s connector
8. SATA2~4
Serial ATA 3.0 Gb/s connectors
9. F_PANEL
Front panel switch/LED header
10. CASE
CASE open header
11. ME_UNLOCK
ME unlock header-for factory use only
12. F_USB1~2
Front panel USB 2.0 headers
13. SYS_FAN
3-pin system cooling fan connector
14. TPM
Trusted Platform Module header
15. CLR_CMOS
Clear CMOS jumper
16. COM
Onboard serial port header
17. LPT
Printer Header
18. SPK
Speaker header
19. SPDIFO
SPDIF out header
20. F_AUDIO
Front panel audio header
21. PCIE1
PCI Express x1 slot
22. PCI1~2
32-bit add-on card slots
23. PCIEX16
PCI Express slot for graphics interface
24. ATX12V
4-pin +12V power connector