Fujitsu PRIMERGY RX2540 M4, Upgrade And Maintenance Manual

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500 Upgrade and Maintenance Manual
RX2540 M4
System board and components
16.1 Basic information
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CMOS battery
The real-time clock is powered by a lithium coin cell (CMOS battery) when
mains get lost. This cell lasts up to five years, depending on ambient
temperature and use.
If the CMOS battery is depleted or falls below minimum voltage levels, it
need to be replaced immediately.
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TPM (Trusted Platform Module)
The system board is optionally equipped with a Trusted Platform Module
(TPM). This module enables programs from third party manufacturers to
store key information, for example drive encryption using Windows Bitlocker
Drive Encryption.
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iRMC microSD card
The iRMC microSD card is necessary for using the embedded Lifecycle
Management (eLCM) functionality of the iRMC.
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M.2 SSD
The system board offers two M.2 slots (Key M) with support for 42 mm,
60 mm, 80 mm and 110 mm long M.2 SSDs. With the M.2 SSD an internal
SSD is offered. This SSD can be configured as a boot device or data storage
device.
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Dual microSD 64GB Enterprise
The system board is optionally equipped with a Dual microSD 64GB
Enterprise. The Dual microSD 64GB Enterprise offers an Integrated
Hardware RAID solution based on RAID-on-Chip (ROC) technology.