Lenovo ThinkSystem SR645 V3 - System Leds and Diagnostics Display; Troubleshooting by System Leds and Diagnostics Display

Table 11. System-board-assembly SW5 switch block description (continued)
Switch-bit
number
Switch name
Default position Description
3 SW5–3 Password override Off Overrides the power-on password when changing it
to the ON position.
4 SW5–4 FPGA reset Off Forces FPGA into reset when changing it to the ON
position.
5 SW5–5 N/A N/A N/A
6 SW5–6 MFG mode Off Enables MFG mode of firmware (UEFI/XCC/FPGA)
when changing it to the ON position.
7 SW5–7 At-Scale debug Off Enables BMC At-Scale debug when changing it to the
ON position.
8 SW5–8 Low security Off 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.
System LEDs and diagnostics display
See the following section for information on available system LEDs and diagnostics display.
For more information, refer to
“Troubleshooting by system LEDs and diagnostics display” on page 24.
Troubleshooting by system LEDs and diagnostics display
See the following section for information on available system LEDs and diagnostics display.
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.
The following table describes the problems that are indicated by drive activity LED and drive status LED.
Figure 12. Drive LEDs
24 ThinkSystem SR645 V3 System Configuration Guide