Lenovo 7D2V, Руководство по обслуживанию

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Table 20. Switch block and jumper description
Switch/jumper name Switch/jumper number Description
1
Clear CMOS jumper J1 • Pins 1 and 2: The jumper is in default setting.
• Pins 2 and 3: Clear the real-time clock (RTC) registry.
2
,
3
Switch 1 block SW1 • Switch 1: One-time power-on password bypass
– Toggle to ON or OFF to bypass the power-on password
for one time. After bypassing the password, you can
boot the server and set a new one in UEFI Setup
interface.
Note:
The switch cannot skip the privilege administrator
password.
• Switch 3: TPM physical presence status
(Default setting: OFF)
– Toggle to ON to assert host TPM physical presence,
which is required for some security settings.
• Switch 4: XCC force update
(Default setting: OFF)
– Toggle to ON to force XClarity Controller firmware to
enter the booting mode (For development purpose only).
• Switch 5: XCC SPI0 half ROM
(Default setting: OFF)
– Toggle to ON to force XClarity Controller to boot from a
backup image.
• Switch 6: Low security
(Default setting: OFF)
– Toggle to ON to enable low security mode for XClarity
Controller firmware (For development purpose only).
• Switch 2, 7, 8: Reserved
Chapter 2
.
Server components
49