ECS A990FXM-A, Manual, Page: 11 / 76

7
Introducing the Motherboard
Table of Motherboard Components
This concludes Chapter 1. The next chapter explains how to install the motherboard.
LABEL COMPONENTS
1. CPU Socket
AMD Phenom
TM
and later desktop processors
(socket AM3+)
2. CPU_FAN CPU cooling fan connector
3. DDR3_1/2/3/4 240-pin DDR3 SDRAM slots
4. BZ
Buzzer
5. ATX_POWER Standard 24-pin ATX power connector
6. POST
POST Debug LED
7. PWR_FAN Power cooling fan connector
8. IDE Primary IDE channel
9. SATA1~6 Serial ATA 6.0 Gb/s connectors
10. PANEL Front panel switch/LED header
11. PWR_BTN Power on button
12. RST_BTN Reset button
13. F_USB2 Front panel USB 2.0 header
14. CLR_CMOS Clear CMOS jumper
15. F_USB1
Front panel USB 2.0 header （ with EZ Charge
function ）
16. USB3F Front panel USB 3.0 header
17. CASE Case open header
18. SYS_FAN System cooling fan connector
19. SPDIFO SPDIF out header
20. F_AUDIO Front panel audio header
21. PCI 32-bit add-on card slot
22. PCIEX16_S PCI Express slot for graphics interface
23. PCIE1~2 PCI Express x1 slots
24. PCIEX16_1~2 PCI Express slots for graphics interface
25. ATX12V
8-pin +12V power connector