Intel D845EPI User Manual

Technical Reference
51
2.8.3.1 Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector
Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector.
Table 26 lists the signal names of the Auxiliary Front Panel Power/Sleep/Message-Waiting LED
connector.
Table 26. Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector
Pin Signal Name In/Out Description
1 HDR_BLNK_GRN Out Front panel green LED
2 Not connected
3 HDR_BLNK_YEL Out Front panel yellow LED
2.8.3.2 Front Panel Connector
This section describes the functions of the front panel connector. Table 27 lists the signal names
of the front panel connector. Figure 8 is a connection diagram for the front panel connector.
Table 27. Front Panel Connector
Pin Signal In/Out Description Pin Signal In/Out Description
Hard Drive Activity LED Power LED
1 HD_PWR Out Hard disk LED pull-up
(750 Ω) to +5 V
2 HDR_BLNK_
GRN
Out Front panel green
LED
3 HAD# Out Hard disk active LED 4 HDR_BLNK_
YEL
Out Front panel yellow
LED
Reset Switch On/Off Switch
5 Ground Ground 6 SWITCH_ON# In Power switch
7 FP_RESET# In Reset switch 8 Ground Ground
9 +5 V Out Power 10 No connect Not connected
Single-colored
Power LED


OM16110
8
6
4
2
9
7
5
3
1
Hard Drive
Activity LED
Reset
Switch
+5 V DC
N/C
Power
Switch


Dual-colored
Power LED


Figure 8. Connection Diagram for Front Panel Connector

Intel D845EPI Specifications

General

Brand	Intel
Model	D845EPI
Category	Motherboard
Language	English