Intel D845EPI Intel Desktop Board D845EPI Technical Product Specification - Page 51

Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector, 8.3.2, Front Panel Connector

Get Intel D845EPI PDF manuals and user guides View all Intel D845EPI manuals
Add to My Manuals
Save this manual to your list of manuals

Page 51 highlights

Technical Reference 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 Hard Drive Activity LED 1 HD_PWR Out Hard disk LED pull-up 2 (750 Ω) to +5 V 3 HAD# Out Hard disk active LED 4 Reset Switch 5 Ground Ground 6 7 FP_RESET# In Reset switch 8 9 +5 V Out Power 10 Signal In/Out Description Power LED HDR_BLNK_ Out GRN Front panel green LED HDR_BLNK_ Out YEL Front panel yellow LED On/Off Switch SWITCH_ON# In Power switch Ground Ground No connect Not connected Hard Drive Activity LED  12  34 Reset Switch 56 78 +5 V DC 9 Single-colored Power LED   Dual-colored Power LED   Power Switch N/C OM16110 Figure 8. Connection Diagram for Front Panel Connector 51

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
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
±
²
OM16110
8
6
4
2
9
7
5
3
1
Hard Drive
Activity LED
Reset
Switch
+5 V DC
N/C
Power
Switch
²
±
Dual-colored
Power LED
²
±
Figure 8.
Connection Diagram for Front Panel Connector