Instruction Manual

5
B85H3-A3 USER MANUAL
Chapter 1
Table of Motherboard Components
LABEL COMPONENTS
1. CPU Socket
LGA1150 socket for Intel
®
4
th
Generation Core
TM
Famil
y
p
rocessors
2. PWR_FAN 4-pin Power cooling fan connector
3. CPU_FAN 4-pin CPU cooling fan connector
4. DDR3_1~2 240-pin DDR3 Module slots
5. ATX_POWER Standard 24-pin ATX power connector
6. NB_FAN 4-pin Northbridge cooling fan connector
7. USB 3F Front USB 3.0 header
8. USBPWR_F1 Front panel USB power select jumper
9. CLR_CMOS Clear CMOS jumper
10. PCIEX16_S PCI Expressx1 Gen2 slot
11. SATA5~6 Serial ATA 3Gb/s connectors
12. F_PANEL Front panel switch/LED header
13. SATA1~4 Serial ATA 6Gb/s connectors
14. CASE CASE open header
15. F_USB1~2 Front panel USB 2.0 headers
16. USBPWR_F Front panel USB power select jumper
17. COM Onboard serial port header
18. LPT Parallel port header
19. SPDIFO SPDIF out header
20. F_AUDIO Front panel audio header
21. PCI1~2 32-bit PCI add-on card slots
22. SPK Speaker header
23. PCIE1~2 PCI Express x1 Gen2 slots
24. PCIEX16 PCI Express x16 Gen3 slot for graphics interface
25. SYS_FAN 4-pin system cooling fan connector
26. USBPWR_R1 Rear USB3LAN power select jumper
27. USBPWR_R Rear USB/PS2 power select jumper
28. ATX12V 4-pin +12V power connector