Compaq dc7900 vPro Setup and Configuration for the dc7900p Business PC with In - Page 22
Transport Layer Security TLS connection to the AMT system using a TLS Pre-Shared-Key PSK cipher
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This option sets the timeout value for Wake-On-ME. The default timeout value is 1 from the factory and is in units of a minute. A value of 0 means the Wake-On-ME feature is disabled and the ME will not go to sleep when not being used in a nonactive system. HP recommends a setting of 1 which allows the ME to go to sleep after 1 minute of inactivity. The timeout value can only be set in decimal notation, which is a minor change from the dc7700p that allowed both decimal and hexadecimal notation. It must be set to a non-zero value for the ME to take advantage of Wake-On-ME. This value is not used when the system is in an active state - S0. This value is used only if the ME ON in Host Sleep State setting is set to allow ME WoL. See "Appendix C: Wake-On-ME Explained" on page 35 for an explanation of Wake-On-ME/ME WoL. 24. Select Return to previous menu. 25. Select Exit, and then select Y to exit the MEBx Setup and save settings. The system displays an Intel ME Configuration Complete message (only once) and reboots. 26. Turn off the system and remove power. The system is now in In-Setup Mode and is ready for deployment. 27. Plug the system into a power source and connect the network. Use the integrated Intel 82566DM NIC. Intel AMT does not work with any other NIC solution. When power is reapplied to the system, the system immediately looks for a Setup and Configuration Server. If the system finds this server, the AMT system will send a "Hello" message to the server. DHCP and DNS must be available for the Setup and Configuration Server search to automatically succeed. If DHCP and DNS are not available, then the Setup and Configuration Server's IP address must be manually entered into the AMT system's MEBx. The "Hello" message contains the following information: • PID • UUID (Universally Unique Identifier) • IP address • ROM and firmware version numbers The "Hello" message is transparent to the end-user. There is no feedback mechanism to tell the user the system is broadcasting the message. The Setup and Configuration Server uses the information in the "Hello" message to initiate a Transport Layer Security (TLS) connection to the AMT system using a TLS Pre-Shared-Key (PSK) cipher suite if TLS is supported. The Setup and Configuration server uses the PID to lookup PPS in provisioning server database and uses the PPS and PID to generate TLS Pre-Master Secret. TLS is optional. For secure and encrypted transactions, use TLS if the infrastructure is available. If you do not use TLS, then HTTP Digest will be used for mutual authentication. HTTP Digest is not as secure as TLS. Setup and Configuration Server logs into AMT system with the user name and password and provisions all required data items: 22