HP DL320 HP ProLiant DL320 Generation 2 Server Maintenance and Service Guide - Page 63

System Configuration Switch (SW1), Non-Maskable Interrupt Switch (NMI), Table 4-5

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Connectors, Switches, and LED Indicators System Configuration Switch (SW1) The system configuration switch (SW1) is an eight-position switch used for system configuration. Refer to the labels attached to the inside of the server access panel for proper system configuration settings. The following table shows the shipping system configuration switch settings of SW1. Table 4-5: System Configuration Switch (SW1) Settings Position S1 S2 Function Reserved Lock configuration Default Off Off S3 Reserved Off S4 Enable floppy boot Off S5 Password override Off S6 Invalidate CMOS/NVRAM Off S7 Reserved Off S8 Reserved Off NOTE: "On" activates the function. Description Open (off) = Normal Operation Closed (on) = RBSU will not commit any configuration changes. Open (off) = Normal Closed (on) = Override RBSU setting and enable floppy boot. Open (off) = Normal, honor RBSU setting Closed (on) = Override RBSU setting and override password prompts. Open (off) = Normal Closed (on) = BIOS will clear CMOS and NVRAM. Non-Maskable Interrupt Switch (NMI) When an operating system crashes, system administrators can initiate a non-maskable interrupt (NMI) event by pressing a dump switch. The NMI event enables a hung system to once again become responsive. The NMI switch is used only in the event of a service emergency that requires a complete data dump in preparation for recovering the system from a catastrophic failure. 4-6 HP ProLiant DL320 Generation 2 Server Maintenance and Service Guide HP CONFIDENTIAL Codename: Moonstar 306 Part Number: 293164-004 Last Saved On: 9/22/03 1:54 PM

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Connectors, Switches, and LED Indicators
System Configuration Switch (SW1)
The system configuration switch (SW1) is an eight-position switch used for system
configuration. Refer to the labels attached to the inside of the server access panel for proper
system configuration settings. The following table shows the shipping system configuration
switch settings of SW1.
Table 4-5:
System Configuration Switch (SW1) Settings
Position
Function
Default
Description
S1
Reserved
Off
S2
Lock configuration
Off
Open (off) = Normal
Operation
Closed (on) = RBSU will
not commit any
configuration changes.
S3
Reserved
Off
S4
Enable floppy boot
Off
Open (off) = Normal
Closed (on) = Override
RBSU setting and enable
floppy boot.
S5
Password override
Off
Open (off) = Normal,
honor RBSU setting
Closed (on) = Override
RBSU setting and override
password prompts.
S6
Invalidate CMOS/NVRAM
Off
Open (off) = Normal
Closed (on) = BIOS will
clear CMOS and NVRAM.
S7
Reserved
Off
S8
Reserved
Off
NOTE:
“On” activates the function.
Non-Maskable Interrupt Switch (NMI)
When an operating system crashes, system administrators can initiate a non-maskable
interrupt (NMI) event by pressing a dump switch. The NMI event enables a hung system to
once again become responsive.
The NMI switch is used
only
in the event of a service emergency that requires a complete
data dump in preparation for recovering the system from a catastrophic failure.
4-6
HP ProLiant DL320 Generation 2 Server Maintenance and Service Guide
HP CONFIDENTIAL
Codename: Moonstar 306 Part Number: 293164-004 Last Saved On: 9/22/03 1:54 PM