IBM Flex System x440 Compute Node User Manual

U52 and U9020
switch block
87654321
OFF
The following table describes the functions of the switches on switch block SW3.
Switch number Description Switch setting Definition
U52-1 Password override The default position
Open.
Changing this switch
to the Closed position
overrides the
power-on password.
U52-2 Trusted Platform
Module (TPM)
physical presence
The default position is
Open.
Changing this switch
to the Closed position
indicates a physical
presence to the TPM.
U52-3 Real time clock (RTC)
reset
The default position is
Open.
Changing this switch
to the Closed position
resets the RTC. A
momentary toggle is
all that is required. To
avoid excessive CMOS
battery drain, do not
leave this switch in the
Closed position.
Chapter 1. Introduction 19

IBM Flex System x440 Compute Node Specifications

General

Brand	IBM
Model	Flex System x440 Compute Node
Category	Server
Language	English