User Manual

5
A990FXM-A USER MANUAL
Chapter 1
Table of Motherboard Components
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. PWR_FAN Power cooling fan connector
7. SATA1~6 Serial ATA 6Gb/s connectors
8. PANEL Front panel switch/LED header
13. F_USB2 Front panel USB 2.0 header
9. CLR_CMOS Clear CMOS jumper
10. F_USB1~2 Front panel USB 2.0 headers
（
F_USB1 with EZ Charge function
）
11. CASE Case open header
12. SYS_FAN System cooling fan connector
13. SPDIFO SPDIF out header
14. F_AUDIO Front panel audio header
15. PCI 32-bit add-on card slot
16. PCIEX16_S PCI Express slot for graphics interface
17. PCIE1~2 PCI Express x1 slots
18. PCIEX16_1~2 PCI Express slots for graphics interface
19. ATX12V 8-pin +12V power connector