Specifications

ASUS A68HM Series
1-13
DONOTforgettoconnectthefancablestothefanconnectors.Insufcientairowinside
thesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!DONOT
place jumper caps on the fan connectors.
• TheCPU_FANconnectorsupportsaCPUfanofmaximum2A(24W)fanpower.
• TheCPU_FANandCHA_FANconnectorssupporttheASUSFanXpertfeature.
1.7.2 Internal connectors
1. CPU and chassis fan connectors (4-pin CPU_FAN, and 4-pin CHA_FAN)
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.
A68HM-E
A68HM-E Fan connectors
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
2. TPM connector (20-1 pin TPM)
ThisconnectorsupportsaTrustedPlatformModule(TPM)system,whichcansecurely
storekeys,digitalcerticates,passwords,anddata.ATPMsystemalsohelpsenhance
networksecurity,protectsdigitalidentities,andensuresplatformintegrity.
A68HM-E
A68HM-E TPM connector
PIN 1
TPM
PWRDWN
GND
+3VSB
NC
LAD0
+3V
LAD3
PCIRST#
FRAME
PCICLK
NC
CLKRUN
SERIRQ
NC
GND
LAD1
LAD2
NC
GND
TheTPMmoduleispurchasedseparately.
E9808_A68HM Series_Manual.indb 13 2014/10/16 10:09:04