Intel E7520 Smbus Headers, Back Panel Connectors, 1 PS/2-Style Mouse and Keyboard Connectors

Dual-Core Intel Xeon processor LV / E7520 Chipset / 6300ESB ICH

6.5SMBUS Headers

The SMBUS headers are used to connect the SMBUS. Refer to the following tables for pinout information.

Table 17 describes the SMBUS 3.3 V STBY pinout.

Table 17. SMBUS 3.3 V STBY Pinout

Pin Connector Description

1SMBDAT

2GND

3SMB CLK

6.6Back Panel Connectors

The evaluation board contains a number of connectors for external system devices and peripherals. Figure 23 shows the peripheral connectors.

The following sections provide pinouts for each connector.

Note: The video connector may not be present.

Figure 23. Back Panel Connectors

6.6.1PS/2-Style Mouse and Keyboard Connectors

Table 18 lists the signals assigned to the PS/2-style keyboard and mouse connectors. The keyboard port is on the top and the mouse port is on the bottom.

Table 18. PS/2-Style Mouse and Keyboard Pinout

Pin	Connector Description
1,7	Data
2,8	Reserved
3,9, 13-17	Ground
4,10	+5 V (fused)
5,11	Clock
6, 12	Reserved

6.6.2Parallel Port

Table 19 lists the signals assigned to the parallel port connector.

	Dual-Core Intel® Xeon® processor LV with Intel® E7520 Chipset and Intel® 6300ESB ICH
April 2007	User’s Manual
Order Number: 311274-009	53