ECS P55H-A2, User Manual, Page: 11 / 84

5
Introducing the Motherboard
Motherboard Components
Table of Motherboard Components
LABEL COMPONENTS
1. CPU Socket
LGA1156 socket for Intel
®
Lynnfield/Clarkdale processors
2. DDR3_1~4 240-pin DDR3 SDRAM slots
3. ATX_POWER Standard 24-pin ATX power connector
4. SYS_FAN System cooling fan connector
5. SATA1~6 Serial ATA connectors
6. CASE Chassis detect header
7. SPK Speaker Header
8. PWR_FAN Power cooling fan connector
9. F_PANEL Front panel switch/LED header
10. SPI_DEBUG
SPI debug header - For Factory use only.
11. CLR_CMOS Clear CMOS jumper
12. ME_UNLOCK ME unlock header - For Factory use only.
13. F_USB1~3
Front panel USB headers
14. SPDIFO SPDIFO out header
15. F_AUDIO Front panel audio header
16. PCI1~3 32-bit add-on card slots
17. PCIE1~3 PCI Express x1 slots
18. PCIE16X PCI Express x16 slot for graphics interface
19. CPU_FAN CPU cooling fan connector
20. ATX12V 4-pin +12V power connector
This concludes Chapter 1. The next chapter explains how to install the motherboard.