HP Z200 - Small Form Factor Workstation Setup And Configuration Manual page 15

b. Secure FW Update.
Intel ME Firmware Local Update Qualifier
Default Setting
Recommended Setting
The Secure Firmware Update function requires an administrator user name
and password. If the administrator user name and password are not
supplied, the firmware cannot be updated. When the Secure Firmware
Update feature is enabled, the IT administrator can update the firmware
using the secure method.
11. Set PRTC.
Default Setting
Recommended Setting
This option sets the PRTC (Protected Real Time Clock). Setting the PRTC value
is used for virtually maintaining PRTC during the power-off (G3) state. PRTC has
a valid date range of 1/1/2004 to 1/4/2021.
12. Power Control.
Figure 9: Intel ME Power Control Screen
a. Intel ME ON in Host Sleep States.
Default Setting
Recommended Setting : Desktop: ON in S0, ME Wake in S3, S4-5
: Enabled
: Enabled
: None
: Current Date and Time
: Desktop: ON in S0
15