Gigabyte MZ31-AR0 (rev. 2.x) [21/156] Pmbus data

Gigabyte MZ31-AR0 (rev. 2.x) [21/156] Pmbus data
- 21 - Hardware Installation
EJNN`Q1`E1
EJNN`Q1`E2
EJNN`Q1`B1
EJNN`Q1`B2
EJNN`Q1`C1
EJNN`Q1`C2
EJNN`Q1`D1
EJNN`Q1`D2
EJNN`Q1`F2
EJNN`Q1`F1
DQV
EJNN`Q1`I2
EJNN`Q1`I1
EJNN`Q1`H2
EJNN`Q1`H1
EJNN`Q1`G2
EJNN`Q1`G1
EJNN`Q1`E1
EJNN`Q1`E2
EJNN`Q1`B1
EJNN`Q1`B2
EJNN`Q1`C1
EJNN`Q1`C2
EJNN`Q1`D1
EJNN`Q1`D2
EJNN`Q1`F2
EJNN`Q1`F1
DQV
EJNN`Q1`I2
EJNN`Q1`I1
EJNN`Q1`H2
EJNN`Q1`H1
EJNN`Q1`G2
EJNN`Q1`G1
4/5/6/7/8/9/10) CPU0_FAN/CPU1_FAN/SYS_FAN1/SYS_FAN2/SYS_FAN3/SYS_FAN4
/SYS_FAN5 (CPU Fan/System Fan Headers)
The motherboard has one 4-pin CPU fan header (CPU_FAN), and two 4-pin (SYS_FAN) system fan headers.
Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect
it in the correct orientation (the black connector wire is the ground wire). The motherboard supports CPU
fan speed control, which requires the use of a CPU fan with fan speed control design. For optimum heat
dissipation, it is recommended that a system fan be installed inside the chassis.
1
1
PinNo. Denition
1 GND
2 +12V
3 Sense
4 Speed Control
Be sure to connect fan cables to the fan headers to prevent your CPU and system from
overheating. Overheating may result in damage to the CPU or the system may hang.
Thesefanheadersarenotconfigurationjumperblocks.Donotplaceajumpercaponthe
headers.
CPU1_FAN
SYS_FAN3
SYS_FAN1
CPU0_FAN
SYS_FAN2
SYS_FAN4
SYS_FAN5
4
4
11) PMBus Connector
The Power Management Bus (PMBus) is a variant of the System Management Bus (SMBus) which is
targeted at digital management of power supplies.
PMBus
5
1
PinNo. Denition
1 PMBus Clock
2 PMBus Data
3 PMBus Alert
4 GND
5 3.3V Sense

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