HP ProLiant SL4540 HP ProLiant SL4540 Gen8 Server Node User Guide - Page 9

DIMM slots, System maintenance switch, NMI jumper, Description, Position, Default, Function

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Item Description 31 VGA connector 32 Front LED connector DIMM slots DIMM slots are numbered sequentially (1 through 6) for each processor. The supported AMP modes use the letter assignments for population guidelines. System maintenance switch Position S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 Default Off Off Off Off Off Off Off Off Off Off Function Off = iLO security enabled On = iLO security disabled Off = System configuration unlocked On = System configuration locked Reserved Reserved Off = Power-on password enabled On = Power-on password disabled Off = No function On = Clear NVRAM Reserved Reserved Reserved Reserved When the system maintenance switch position 6 is set to the On position, the system is prepared to erase all system configuration settings from both CMOS and NVRAM. CAUTION: Clearing CMOS and/or NVRAM deletes configuration information. Be sure to properly configure the server or data loss could occur. NMI jumper The NMI jumper allows administrators to perform a memory dump before performing a hard reset. Crash dump analysis is an essential part of eliminating reliability problems, such as hangs or crashes in OSs, device Component identification 9

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Component identification 9
Item
Description
31
VGA connector
32
Front LED connector
DIMM slots
DIMM slots are numbered sequentially (1 through 6) for each processor. The supported AMP modes use the
letter assignments for population guidelines.
System maintenance switch
Position
Default
Function
S1
Off
Off = iLO security enabled
On = iLO security disabled
S2
Off
Off = System configuration unlocked
On = System configuration locked
S3
Off
Reserved
S4
Off
Reserved
S5
Off
Off = Power-on password enabled
On = Power-on password disabled
S6
Off
Off = No function
On = Clear NVRAM
S7
Off
Reserved
S8
Off
Reserved
S9
Off
Reserved
S10
Off
Reserved
When the system maintenance switch position 6 is set to the On position, the system is prepared to erase all
system configuration settings from both CMOS and NVRAM.
CAUTION:
Clearing CMOS and/or NVRAM deletes configuration information. Be sure to
properly configure the server or data loss could occur.
NMI jumper
The NMI jumper allows administrators to perform a memory dump before performing a hard reset. Crash
dump analysis is an essential part of eliminating reliability problems, such as hangs or crashes in OSs, device