Intel DZ77GA-70K User Manual

Technical Reference
55
2.2.2.1 Signal Tables for the Connectors and Headers
Table 14. IEEE 1394a Header
Pin Signal Name Pin Signal Name
1 Data A (positive) 2 Data A (negative)
3 Ground 4 Ground
5 Data B (positive) 6 Data B (negative)
7 +12 V DC 8 +12 V DC
9 Key (no pin) 10 Ground
Table 15. 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 16. Front Panel Audio Header for AC ’97 Audio
Pin Signal Name Pin Signal Name
1 MIC 2 AUD_GND
3 MIC_BIAS 4 PRESENCE#
5 FP_OUT_R 6 AUD_GND
7 No_Connect 8 KEY (no pin)
9 FP_OUT_L 10 AUD_GND
Table 17. S/PDIF Header
Pin Signal Name
1 Ground
2 S/PDIF out
3 Key (no pin)
4 +5 V DC

Intel DZ77GA-70K Specifications

General

Form Factor	ATX
Chipset	Intel Z77
Socket	LGA 1155
Memory Slots	4
Max Memory	32 GB
SATA 6Gb/s Ports	4
SATA 3Gb/s Ports	4
USB 3.0 Ports	4
USB 2.0 Ports	8
CrossFire Support	Yes
SLI Support	Yes
Memory Speed	DDR3 1600/1333/1066
PCI Express x16 Slots	2
PCI Express x1 Slots	2
LAN	Intel 82579V Gigabit Ethernet
Audio	7.1 Channel High Definition Audio
RAID Support	RAID 0, 1, 5, 10
PCI Slots	2