User’s Manual

ASUS PRIME H470M-PLUS
1-5
This2-pinheaderisfortheHDDActivityLED.ConnecttheHDDActivityLEDcableto
thisheader.TheHDDLEDlightsuporasheswhendataisreadfromorwrittentothe
HDD.
• Systemwarningspeaker(4-pinSPEAKER)
This 4-pin header is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
• ATXpowerbutton/soft-offbutton(2-pinPWR_SW)
Thisheaderisforthesystempowerbutton.Pressingthepowerbuttonturnsthe
system on or puts the system in sleep or soft-off mode depending on the operating
systemsettings.Pressingthepowerswitchformorethanfoursecondswhilethe
systemisONturnsthesystemOFF.
• Resetbutton(2-pinRESET)
This 2-pin header is for the chassis-mounted reset button for system reboot without
turning off the system power.
• Chassisintrusionheader(2-pinCHASSIS)
This header is for a chassis-mounted intrusion detection sensor or switch. Connect one
end of the chassis intrusion sensor or switch cable to this header. The chassis intrusion
sensororswitchsendsahigh-levelsignaltothisconnectorwhenachassiscomponent
isremovedorreplaced.Thesignalisthengeneratedasachassisintrusionevent.
16. SPI TPM header
ThisheadersupportsaTrustedPlatformModule(TPM)systemwithaSerial
PeripheralInterface(SPI),allowingyoutosecurelystorekeys,digital
certicates,passwords,anddata.ATPMsystemalsohelpsenhance
networksecurity,protectsdigitalidentities,andensuresplatformintegrity.
TPM
PIN 1
T_SPI_MOSI
T_SPI_CLK
GND
F_BIOS_WP#_R
S_SPI_TPM_CS2#
S_SPI_TPM_IRQ#
F_SPI_HOLD#_R T_SPI_MISO F_SPI_CS0#_R +3V_SPI F2_SPI_CS1#_R S_PLTRST# VCCSPI