ASROCK Q77M vPro Quick Installation Manual page 34

Serial port Header
(9-pin COM1)
(see p.2, No. 30)
TPM Header
(17-pin TPM1)
(see p.2, No. 27)
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ASRock Q77M vPro Motherboard
This COM1 header supports a
serial port module.
This connector supports a
Trusted Platform Module (TPM)
system, which can securely
store keys, digital certificates,
passwords, and data. A TPM
system also helps enhance
network security, protects
digital identities, and ensures
platform integrity.