LABEL COMPONENTS
1. CPU Socket LGA1155 socket
2. CPU_FAN 4-pin CPU cooling fan connector
3. DDR3_1~2 240-pin DDR3 Module slots
4. ATX_POWER Standard 24-pin ATX power connector
5. SYS_FAN 3-pin system cooling fan connector
6. SATA1~4 Serial ATA 3.0 Gb/s connectors
7. SPDIFO SPDIF out header
8. F_PANEL Front panel switch/LED header
9. SPK Speaker header
10. CASE CASE open header
11. ME_UNLOCK ME unlock header-for factory use only
12. F_USB1 Front panel USB 2.0 header
13. F_USB2 Front panel USB 2.0 header
14. CLR_CMOS Clear CMOS jumper
15. COM1~2 Onboard serial port headers
16. F_AUDIO Front panel audio header
17. PCI1~2 32-bit add-on card slots
18. PCIE PCI Express x1 slot
19. PCIEX16 PCI Express slot for graphics interface
20. ATX12V 4-pin +12V power connector