HP DL560 HP ProLiant DL560 Server Maintenance and Service Guide - Page 73

NMI Switch, drivers, and applications. Many crashes freeze a system, requiring you to do

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Page 73 highlights

Server Component Identification 75 Item 1 2 3 Description DIMM slots (1-6) Smart Array 5i Plus Memory Module PPM slot 4 4 PPM slot 3 5 PPM slot 2 6 PPM slot 1 (populated) 7 SCSI connector 8 Power On/Standby button/LED cable connector 9 Processor socket 1 (populated) 10 Processor socket 2 11 Processor socket 3 Item 12 13 Description Processor socket 4 System power connector 14 CD-ROM drive system connector 15 Diskette drive system connector 16 Power supply signal connector 17 Chassis ID switch (under power module) 18 VHDM connector (under power module) 19 NMI switch 20 System maintenance switch 21 PCI riser cage connector - - NMI Switch The NMI switch 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 operating systems, device drivers, and applications. Many crashes freeze a system, requiring you to do a hard reset. Resetting the system erases any information that would support root cause analysis. Systems running Microsoft Windows operating systems experience a blue screen trap when the operating system crashes. When this happens, Microsoft recommends that system administrators perform an NMI event by pressing a dump switch. The NMI event enables a hung system to become responsive again.

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Server Component Identification
75
Item
Description
Item
Description
1
DIMM slots (1-6)
12
Processor socket 4
2
Smart Array 5i Plus
Memory Module
13
System power connector
3
PPM slot 4
14
CD-ROM drive system
connector
4
PPM slot 3
15
Diskette drive system
connector
5
PPM slot 2
16
Power supply signal connector
6
PPM slot 1 (populated)
17
Chassis ID switch
(under power module)
7
SCSI connector
18
VHDM connector
(under power module)
8
Power On/Standby
button/LED cable
connector
19
NMI switch
9
Processor socket 1
(populated)
20
System maintenance switch
10
Processor socket 2
21
PCI riser cage connector
11
Processor socket 3
—
—
NMI Switch
The NMI switch 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 operating systems, device
drivers, and applications. Many crashes freeze a system, requiring you to do a
hard reset. Resetting the system erases any information that would support root
cause analysis.
Systems running Microsoft Windows operating systems experience a blue screen
trap when the operating system crashes. When this happens, Microsoft
recommends that system administrators perform an NMI event by pressing a
dump switch. The NMI event enables a hung system to become responsive again.