Intel DQ77MK User Manual

Technical Reference
53
2.2.2.1 Signal Tables for the Connectors and Headers
Table 15. Serial Port Connector
Pin
Signal Name
Pin
Signal Name
1 DCD (Data Carrier Detect) 2 RXD# (Receive Data)
3 TXD# (Transmit Data) 4 DTR (Data Terminal Ready)
5 Ground 6 DSR (Data Set Ready)
7 RTS (Request To Send) 8 CTS (Clear To Send)
9 RI (Ring Indicator) 10 Key (no pin)
Table 16. Front Panel Audio Header for Intel HD Audio
Pin
Signal Name
Pin
Signal Name
1
[Port 1] Left channel
2
Ground
3 [Port 1] Right channel 4 PRESENCE# (Dongle present)
5 [Port 2] Right channel 6 [Port 1] SENSE_RETURN
7 SENSE_SEND (Jack detection) 8 Key (no pin)
9 [Port 2] Left channel 10 [Port 2] SENSE_RETURN
Table 17. Front Panel Audio Header for AC ’97 Audio
Pin Signal Name Pin Signal Name
1 MIC 2 AUD_GND
3 MIC_BIAS 4 AUD_GND
5 FP_OUT_R 6 FP_RETURN_R
7 AUD_5V 8 KEY (no pin)
9 FP_OUT_L 10 FP_RETURN_L
Table 18. Front Panel USB 2.0 Connectors
Pin
Signal Name
Pin
Signal Name
1 +5 V DC 2 +5 V DC
3 D- 4 D-
5 D+ 6 D+
7
Ground
8
Ground
9 KEY (no pin) 10 No Connect

Intel DQ77MK Specifications

General

Form Factor	Micro ATX
Socket	LGA 1155
Chipset	Intel Q77
Memory Type	DDR3
Memory Slots	4
Max Memory	32 GB
PCI Express x16	1
PCI Express x16 (x4 mode)	1
PCI Express x1	1
PCI	1
SATA 6Gb/s Ports	2
SATA 3Gb/s Ports	4
mSATA	1
USB 3.0 Ports	4
USB 2.0 Ports	8
Ethernet	Intel 82579LM Gigabit Ethernet
RAID Support	RAID 0, 1, 5, 10
Memory Types	DDR3 1333/1600
Video Outputs	DisplayPort
Audio	Realtek ALC892