Specifications
Table Of Contents
- Contents
- Chapter 1: Product introduction
- Chapter 2: Hardware information
- Chapter 3: Powering up
- Chapter 4: BIOS setup
- Chapter 5: RAID configuration
- Chapter 6: Driver installation
- Appendix: Reference information
- 2.1 Before you proceed
- 2.2 Motherboard overview
- 2.3 Central Processing Unit (CPU)
- 2.4 System memory
- 2.5 Expansion slots
- 2.6 Jumpers
- 2.7 Connectors
- A.1 P8B-M block diagram
- A.2 P8B-MX block diagram

2-30 Chapter 2: Hardware information
4. CPU, front and rear fan connectors
(4-pin CPU_FAN1, FRNT_FAN1, FRNT_FAN2, FRNT_FAN3, REAR_FAN1)
The fan connectors support cooling fans of 350 mA–740 mA (8.88 W max.)
or a total of 3.15 A–6.66 A (53.28 W max.) at +12V. Connect the fan cables to
the fan connectors on the motherboard, ensuring that the black wire of each
cable matches the ground pin of the connector.
• DO NOT forget to connect the fan cables to the fan connectors. Insufcient
air ow inside the system may damage the motherboard components.
• These are not jumpers! DO NOT place jumper caps on the fan connectors!
• All fans feature the ASUS Smart Fan technology.










