Filter
Top Products
M440LX Server System Product Guide
193
Server Management Connector
Pin Signal Description
1 SMI_L (input) System management interrupt
2 I2CCLK (output I
2
C clock (8 MHz)
3 GND (power) Electrical ground
4 KEY No connection, pin missing
5 PWROFF_L (output) Power supply off
6 I2CDATA (I/O) I
2
C data signal
7 LPOK (input) Host line power okay
8 KEYUNLK (input) Keyboard unlock (
not used
)
9 NMI (input) Nonmaskable interrupt
10 +3.3 V (input) +3.3 V power
11 RESET_L (output) Reset system board
12 GND (power) Electrical ground
13 GND (power) Electrical ground
14 KEY No connection, pin missing
15 SECURE (input) Host in secure mode
16 GND (power) Electrical ground
17 INTRUD (input) Chassis is open
18 RESERVERED No connection, reserved for future use
19 KEY No connection, pin missing
20 GND (power) Electrical ground