Intel DZ77GA-70K User Manual

Intel Desktop Board DZ77GA-70K Technical Product Specification
58
Table 25. Alternate Power LED Header
Pin Signal Name
1 MAIN_COLOR_LED
2 KEY (no pin
3 ALT_COLOR_LED
2.2.2.2 Add-in Card Connectors
The board has the following add-in card connectors:
• Two PCI Express x16 (3.0/2.x/1.x)
• One PCI Express x4 (2.x/1.x)
• Two PCI Express x1 (2.x/1.x)
• Two Conventional PCI (rev 2.3)
Note the following considerations for the Conventional PCI bus connector:
• The Conventional PCI bus connectors are bus master capable.
• SMBus signals are routed to the Conventional PCI bus connectors. This enables
Conventional PCI bus add-in boards with SMBus support to access sensor data on
the desktop board. The specific SMBus signals are as follows:
 The SMBus clock line is connected to pin A40.
 The SMBus data line is connected to pin A41.

NOTE
PCI Express 3.0 is only supported by 3
rd
generation Intel Core processor family
processors.

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