ASRock IMB-780 manual Chassis Intrusion Headers

Chassis Intrusion Headers

(2-pin CI1/CI2: see p.8, No. 19) 1

GND

Signal

This motherboard supports CASE OPEN detection feature that detects if the chassis cover has been removed. This feature requires a chassis with chassis intrusion detection design.

Front Panel Audio Header		GND
(9-pin HD_AUDIO1)			PRESENCE#
				MIC_RET
(see p.8 No. 20)						OUT_RET
	1
						OUT2_L
					J_SENSE
				OUT2_R
			MIC2_R
		MIC2_L

This is an interface for front panel audio cable that allows convenient connection and control of audio devices.

TPM Header

(19-pin TPM1)		GND	SMB_ _CLKMAIN	_SMB _DATAMAIN	LAD2	LAD1	GND	S_PWRDWN#	SERIRQ#	GND	48MHz
(see p.8,	No. 16)
		1
		PCICLK	FRAME	PCIRST#	LAD3	+3V	LAD0		+3VSB	GND	+5V
Print Port Header		AFD#
(25-pin LPT1)			ERROR#					GND
				SLIN#
			PINIT#
(see p.8,	No. 14)	1
								SPD7
							SPD6		ACK#
							SPD5			BUSY
						SPD4					PE
					SPD3						SLCT
				SPD2
				SPD1
			SPD0
		STB#

This connector supports a Trusted Platform Module (TPM) system, which can

securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity.

This is an interface for print port cable that allows convenient connection of printer devices.

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