Lenovo ThinkAgile VX7820 User Manual page 45

I/O tray switches
Two switch blocks are located on the I/O tray
SW1
The switch block SW1 is located near the VGA connector on the I/O tray. All switches in this switch block are
reserved.
SW2
The switch block SW2 is located near the M2 SATA/PCIe backbplane connector.
Table 14 "SW2 switch block definition" on page 35 describes the functions of the switch block.
Table 14. SW2 switch block definition
Default position
Switch number
1 Off
2
Off
3 Off
4 Off
5 Off
6
Off
7
Off
8 Off
Important:
1. Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all
power cords and external cables. Review the information in
safety_documentation/pdf_files.html
devices" on page 91, and "Power off the server (disconnect input power)" on page 65.
I/O tray riser connectors
The following illustrations show the internal connectors on the I/O tray risers.
Up to three risers can be installed in the I/O tray. The chassis supports the following riser configurations:
• Riser 1:
– Slot 1 to 4 riser provides four PCIe3 x8, full height, half length connectors.
Description
TPM/TCM physical presence.
Reserved.
Reserved.
Clear CMOS memory. When this switch is toggled to ON, it clears
the data in CMOS memory, which clears the power-on password.
Force UEFI recovery. Changing the position of the switch to ON will
force the system to boot from the recovery UEFI image.
Force XCC backup bank. Changing the position of the switch to ON
will force the system to boot from the backup XCC bank.
Power-on password override. Changing the position of this switch
bypasses the power-on password check the next time the server is
turned on and starts the Lenovo XClarity Provisioning Manager Lite
so that you can change or delete the power-on password. You do
not have to move the switch back to the default position after the
power-on password is overridden.
Changing the position of this switch does not affect the
administrator password check if an administrator password is set.
Reserved
, "Installation Guidelines" on page 89, "Handling static-sensitive
http://thinksystem.lenovofiles.com/help/topic/
.
Chapter 2 Server components
35