Alternate Power Led Header - Intel DZ77RE-75K Specification

Intel Desktop Board DZ77RE-75K Technical Product Specification
Table 24. 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)
•
Three 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
processors.
56
rd
generation Intel Core processor family