Datasheet

Mini Control Panel Intel® Server System SR1550AL
Revision – 1.3
Intel order number D31982-006
50
Table 40. Mini Contol Panel Button Functions
Reference Feature Function
A ID Button Toggles the front panel ID LED and the baseboard ID LED on/off. The
baseboard ID LED is visible through the rear of the chassis and allows you
to locate the server you’re working on from behind a rack of servers.
B NMI Button Pressing the recessed button with a paper clip or pin puts the server in a
halt state for diagnostic purposes and allows you to issue a non-maskable
interrupt. After issuing the interrupt, a memory download can be performed
to determine the cause of the problem.
C1 Power /
Sleep Button
Toggles the system power on/off. This button also functions as a sleep
button if enabled by an ACPI-compliant operating system.
7.2 Mini Control Panel LED Indicators
The control panel houses three LEDs, which are viewable with or without the front bezel to
display the system’s operating state.
Figure 35. Mini Control Panel LED’s
The following table identifies each LED and describes their functionality.
Table 41. Mini Control Panel LED Functions
Reference LED Color State Description
Blue On Identify active via command or button.
A
System Identification
Off Off No Identification.
Green/Amber Alternating
Blink
Pre DC Power On – 30-35 second BMC
Initialization
On Running / normal operation Green
Blink
1,2
Degraded
On Critical or non-recoverable condition. Amber
Blink
1,2
Non-critical condition.
B
System Status
(on standby power)
Off Off POST / system stop.
On Legacy power on / ACPI S0 state Green
Blink
1,3
Sleep / ACPI S1 state
C
Power / Sleep
(on standby power)
Off Off Power Off / ACPI S4 or S5 state
Notes:
1. Blink rate is ~1 Hz with at 50% duty cycle.
2. The amber status takes precedence over the green status. When the amber LED is on or blinking, the green
LED is off.
3. The power LED sleep indication is maintained on standby by the chipset. If the system is powered down
without going through BIOS, the LED state in effect at the time of power off will be restored when the system
is powered on until the BIOS clears it. If the system is not powered down normally, it is possible that the
Power LED will be blinking at the same time that the system status LED is off due to a failure or
configuration change that prevents the BIOS from running.