Asus Pro WS 621-64L SAGE Series Manual page 36

4. Storage Add-on Card LED connector
The Storage Add-on Card LED connector allows you to connect the storage device
activity LED cable from a storage add-on card. The Storage Device Activity LED lights
up or blinks when data is read from or written to the storage device add-on card.
Refer to section Onboard LEDs for the exact location of the Storage Device Activity
LED.
5. TPM connector
The TPM connector allows you to connect a Trusted Platform Module (TPM). A TPM
securely stores keys, digital certificates, passwords, data, and also helps enhance
network security, protect digital identities, and ensures platform integrity.
The TPM is purchased separately.
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Chapter 1: Product Introduction