Backplane To System Board Control Connections; Power Supply Input Voltages - Intel MB440LX System Installation Manual

Backplane to System Board Control Connections

Connector J2 on the backplane connects I
supply controls to the system board.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14

Power Supply Input Voltages

The server may contain one, two, or three autoranging 360 watt power
supplies that are designed to minimize EMI and RFI. The input voltage
ranges are
•
100-120 VAC at 50/60 Hertz (Hz); 6.0 A maximum current
•
200-240 VAC at 50/60 Hz; 3.0 A maximum current
170
Connector Designator
RS GND
+5 V RS
+3.3 V RS
GND
I2C-SCL
I2C-SDA
GND
PGOOD
PON
GND
+5 V Stdby
NC
+24 V
24 V RTN
2
C, remote sense, and power
Description
Remote sense ground (-)
+5 VDC remote sense (+)
+3.3 VDC remote sense (+)
Ground
I²C serial clock
I²C serial data
Ground
Power good indication
Power ON control
Ground
+5 VDC standby
Key
+24 VDC
24 VDC return
Chapter 7 Power System