System Leds And Diagnostics Display; Drive Leds - Lenovo ThinkSystem SR665 V3 System Configuration Manual

Table 13. Switch block on the system board assembly (continued)
Switch
number Switch name
SW5-7 At-Scale debug
SW5-8 Low security

System LEDs and diagnostics display

See the following section for information on available system LEDs and diagnostics display.
• "Drive LEDs" on page 25
• "Front operator panel LEDs" on page 26
• "External diagnostics handset" on page 27
• "XCC system management port LEDs" on page 33
• "Power supply LEDs" on page 34
• "System-board-assembly LEDs" on page 36
• "LEDs on the firmware and RoT security module" on page 38

Drive LEDs

This topic provides information on drive LEDs.
Each hot-swap drive comes with an activity LED and status LED and the signals are controlled by the
backplanes. Different colors and speeds indicate different activities or status of the drive. The following
illustration shows the LEDs on a hard disk drive or solid-state drive.
Figure 9. Drive LEDs
Drive LED
Drive activity LED (left)
1
Drive status LED (right)
2
Default position
Off
Off
Status
Solid green
Blinking green
Solid yellow
Blinking yellow (blinking slowly, about one
flash per second)
Blinking yellow (blinking rapidly, about four
flashes per second)
Description
Enables BMC At-Scale debug when changing it to the
ON position.
Allows transitioning between signed official XCC
builds and XCC test signed builds, and bypasses
CRTM boot check of XCC firmware when changing it
to the ON position.
Description
The drive is powered but not active.
The drive is active.
The drive has an error.
The drive is being rebuilt.
The drive is being identified.
Chapter 2
.
Server components
25