DX58SO datasheet(47/88 Pages) INTEL

47 / 88 page

Technical Reference

2.2.2.2

Add-in Card Connectors

The board has the following add-in card connectors:

•

PCI Express 2.0 x16: two PCI Express 2.0 x16 connectors supporting

simultaneous transfer speeds up to 8 GB/sec of peak bandwidth per direction and

up to 16 GB/sec concurrent bandwidth.

•

PCI Express 2.0 x4: one PCI Express 2.0 x4 connector (implemented using a x4

physical connector capable of accepting a x16 card). The x4 interface supports

simultaneous transfer speeds up to 250 MB/sec of peak bandwidth per direction

and up to 5 GB/sec concurrent bandwidth.

•

PCI Express 1.1 x1: two PCI Express 1.1 x1 connectors. The x1 interface

supports simultaneous transfer speeds up to 250 MB/sec of peak bandwidth per

direction and up to 2 GB/sec concurrent bandwidth.

•

PCI Conventional (rev 2.3 compliant) bus: one PCI Conventional bus add-in card

connector. The SMBus is routed to the PCI Conventional bus connector. PCI

Conventional bus add-in cards with SMBus support can access sensor data and

other information residing on the board.

Note the following considerations for the PCI Conventional bus connector:

•

The PCI Conventional bus connector is bus master capable.

•

SMBus signals are routed to the PCI Conventional bus connector. This enables PCI

Conventional bus add-in boards with SMBus support to access sensor data on the

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.

2.2.2.3

Auxiliary Front Panel Power/Sleep LED Header

Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel

header.

Table 16. Auxiliary Front Panel Power/Sleep LED Header

Signal Name

In/Out

Description

HDR_BLNK_GRN

Out

Front panel green LED

Not connected

HDR_BLNK_YEL

Out

Front panel yellow LED

DX58SO Datasheet(PDF) 47 Page - Intel Corporation

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