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CP3005-SA – Rev. 0.6 Preliminary
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3.6.
Battery
The CP3005-SA is provided with an UL-recognized CR2025, 3.0 V, “coin cell” lithium battery for the RTC. When a
battery is installed, refer to the operational specifications of the battery as this determines the operating and storage
temperature of the CP3005-SA.
The battery is mounted on a battery module (MMBAT02) on the CP3005-SA board or on the
MMEXT05 extension module – but never on both devices.
3.7.
Flash Memory
The CP3005-SA provides flash interfaces for the uEFI BIOS and a M.2 Flash module.
3.7.1.
SPI Boot Flash for uEFI BIOS
The CP3005-SA provides two 2x 16 MB SPI boot flashes for two separate uEFI BIOS images, a standard SPI boot flash
and a recovery SPI boot flash. The fail-over mechanism for the uEFI BIOS recovery can be controlled via the DIP switch
SW1, switch 2.
The uEFI BIOS code and settings are stored in the SPI boot flashes. Changes made to the uEFI
BIOS settings are available only in the currently selected SPI boot flash. Thus, switching over
to the other SPI boot flash may result in operation with different uEFI BIOS code and
settings.
3.7.2.
M.2 Flash Module
The M.2 connector (Type 2242) can be used for a SSD flash module for operating system and data.
3.8.
Trusted Platform Module
The CP3005-SA supports the Trusted Platform Module (TPM) 2.0. TPM 2.0 is a security chip specifically designed to
provide enhanced hardware- and software-based data and system security. It is based on Infineon's SLB9670.
Infineon’s Trusted Platform Module (TPM) SLB9670 is featuring a fully TCG TPM 1.2/2.0 standard compliant module
with a SPI interface. TPMs are widely used as a root of trust for platform integrity, remote attestation and
cryptographic services.
3.9.
Board Interfaces
3.9.1.
Front Panel LEDs
The CP3005-SA provides two system status LEDs: one temperature status LED (TH LED) and one Watchdog status
LED (WD LED). It also provides four General Purpose/POST code LEDs (LED3..0). Their functionality is described in the
following sections.