Intel SR6850HW4 User Manual
Page 56
Cables and Connectors
Intel® Server Platform SR6850HW4 TPS
Revision
1.0
Intel order number D23151-001
44
Pins
Signal Description
5
USB Hub DPD2
6
USB Hub DMD2
8
USB Hub DPD3
9
USB Hub DMD3
11
USB1 overcurrent output, active high
12 USB2
overcurrent
13 USB3
overcurrent
14
NMI button, active low
15
Video DCC out SCLCK
16
Video DCC out SDA
17
Video vertical sync
18
Video horizontal sync
20 Video
red
22 Video
green
24 Video
blue
27
Speaker drive, active high
29
Monitor presence, active low
30
Unused, keying pin
4.2.12
100-pin Mainboard to SCSI Backplane Board Board Connector
Please, see the tables below for the 100-pin Mainboard to SCSI Backplane Board connector
information.
Table 20. 100-pin Connector Pinout (Unused and Ground)
Pin Numbers
Signal
Descriptions
1,3,7,10,14,20,27,42,51,52,54,58,62,65,73,77,79,82,83,85,87,89,91,93,95,100 Ground
4,6,8,12,13,15,17,19,22,24,26,29,31,33,35,37,41,44,46,48,50,53,56,59,61,66,68,70,72 Unused
Table 21. 100-pin Connector Pinout (Signals)
Pin Number
Signal Name
Signal Description
2
GND – RESISTOR
Ground through zero ohm resistor
5
GND – RESISTOR
Ground through zero ohm resistor
9
GND – RESISTOR
Ground through zero ohm resistor
11
GND – RESISTOR
Ground through zero ohm resistor
16
FAN1_TACH
Fan 1 Tachometer signal – edges per revolution
18
FAN2_TACH
Fan 2 Tachometer signal – edges per revolution
21
FAN3_TACH
Fan 3 Tachometer signal – edges per revolution
23
FAN4_TACH
Fan 4 Tachometer signal – edges per revolution
25
RESET_BTN
Front panel reset button signal
28
FAN5_TACH
Fan 5 Tachometer signal – edges per revolution