rocessor
2. CPU_FAN 4-pin CPU cooling fan connector
3. IDEA_MEMORY IDEA Memory jumper
4. DIMM1~2 240-pin DDR3L Module slots
5. ATX_POWER Standard 24-pin ATX power connector
6. SATA1~4 Serial ATA 6Gb/s connectors
7. F_PANEL Front panel switch/LED header
8. TPM Trusted platform module header
9. ME_UNLOCK ME unlock header
10. F_USB1~2 Front panel USB 2.0 headers
11. COM Onboard serial port header
12. F_AUDIO Front panel audio header
13. CASE CASE open header
14. BZ Buzzer header
15. PCIEX1 PCI Express Gen2 x1 slot
16. USB3F Front panel USB 3.0 header
17. PCIEX16 PCI Express x16 slot Gen3 for graphics interface
18. SYS_FAN 4-pin system cooling fan connector
19. CLR_CMOS Clear CMOS jumper
20. ATX_12V 4-pin +12V power connector