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Appendix B: Power / Sleep / Global States Explained

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Appendix B: Power / Sleep / Global States Explained A computer can be in one of several power states under the Advanced Configuration and Power Interface (ACPI) specification. These power states are also known as Sleep (Sx) states or Global (Gx) states. • S0 is the ON state. The computer is fully functioning. All system devices and operating system, if available, are running. S0 is also known as G0. • S3 is the Standby (Microsoft terminology) or Suspend-to-RAM state. The memory subsystem and Vaux power rail remains powered, while the rest of the system, including the processor, is not powered. When the system resumes from S3, the system context remains intact because system memory was preserved and powered at all times. • S4 is the Hibernate (Microsoft terminology) or Suspend-to-Disk state. The system context (memory) is saved to the hard drive as a hibernation file. When the system resumes from S4, the system context is restored from the hibernation file. Vaux remains powered, but all other subsystems including system memory and the processor are not powered. • S5 is the Soft Off state. It is identical to S4 with the exception that the system context is not saved. When the system resumes from S5, it powers up and going through POST. S5 is also known as G2. • G3 is the Mechanical Off state. All subsystems are not powered in this state. The easiest way to achieve this state is by removing AC power from the system by unplugging the power cord. The ME has its own power states (Mx) similar to the Sx states: • M0 is the ON state for the ME when the system is in S0 state. The ME is fully powered and running. • M1 is the ON state for the ME when the system is in a non-S0 state. The ME is fully powered and running. • Moff is the OFF state for the ME. The system is in a non-S0 state. An example reading of the first row: ME ON in Host Sleep State Always Always Never Never Standby (S3) Standby (S3) Standby (S3) Standby (S3) + Hibernate (S4) Standby (S3) + Hibernate (S4) Standby (S3) + Hibernate (S4) Host Power State S0 S3, S4, S5 S0 S3, S4, S5 S0 S3 S4, S5 S0 S3, S4 S5 ME Power State M0 M1 M0 Moff M0 M1 Moff M0 M1 Moff The ME is set to Always, so it remains powered and active in all Sx states. If the system (host) is in S0, then the ME is in the corresponding M0 state. However, if the system is in S3, S4, or S5, then the ME remains active, but is in M1 state. At no time is the ME in the Moff state when it is set to Always. 29

Section	Page
vPro Setup and Configuration for the dc7700 Business PC with Intel vPro Technology	1
Introduction	2
AMT Setup and Configuration	2
AMT System Phases	2
SMB Mode - AMT Setup and Configuration with MEBx	3
Password Guidelines	3
BIOS Prerequisite	4
SMB Mode - AMT Setup and Configuration Steps	4
1. Press Ctrl-P during POST to enter Manageability Engine BIOS Extension (MEBx) Setup. You can dis play this option only during POST if set in F10-Setup.	4
Figure 1 Intel MEBx Password Screen	4
2. Type the default password, which is admin. Passwords are case-sensitive.	5
3. Change the MEBx password. The new password must meet the Strong Password criteria defined in the Password Guidelines Section. Type the password twice for verification.	5
4. Select the Intel ME Platform Configuration. A window displays indicating that the system resets after configuration.	5
5. Select Y. ME platform configuration allows IT personnel to configure ME features such as AMT/ASF selection, power options, firmware update capabilities, and so on.	5
Figure 2 Intel ME Platform Configuration screen	5
6. Select Intel ME State Control, and then select Enabled.	5
7. Select Intel ME Firmware Local Update Qualifier, and then select Always Open.	5
8. Skip LAN Controller.	6
9. Select Intel ME Features Control.	6
Figure 3 Intel ME Features Control Screen with AMT selected	7
10. Select Intel ME Power Control.	7
Figure 4 Intel ME Power Control Screen	7
11. Return to previous menu to exit the MEBx Setup and save AMT configuration. The system will display an Intel ME Configuration Complete message and reboot.	9
12. Press Ctrl-P during POST to enter MEBx Setup again.	9
13. Type the MEBx password.	9
14. Select Intel AMT Configuration.	10
Figure 5 Intel AMT Configuration screen	10
15. Select Host Name, and then type a host name.	10
16. Select TCP/IP.	10
17. Skip Provisioning Server.	11
18. Select Provision Model.	12
19. Skip Un-Provision. This option returns the system to factory defaults. See “Return to Default” on page 23 for more information about unprovisioning.	12
20. Skip VLAN.	12
21. Select SOL/IDE-R.	12
22. Select Remote Firmware Update, and then select Enabled.	12
23. Select Idle Timeout.	13
24. Select Return to previous menu.	13
25. Select Exit, and then select Y to exit the MEBx Setup and save settings.	13
Figure 6 Intel AMT Enabled and Configured - ME configuration complete	13
Intel AMT WebGUI	14
Connecting with the Intel AMT WebGUI - SMB Example	14
1. Power on an AMT system that has completed AMT Setup and Configuration.	14
2. Execute a Web browser from a separate system - a Management computer on the same subnet as the AMT computer.	14
3. Connect to the IP address specified in the MEBx and port of the AMT system.	14
4. Type the user name and password. The default username is admin and the password is what you set during AMT Setup in the MEBx.	15
Figure 7 Intel AMT WebGUI Screen	15
5. Review system information and/or make any necessary changes.	15
6. Select Exit.	15
Enterprise Mode Setup and Configuration	16
Enterprise Mode - AMT Setup and Configuration Steps	16
1. Access the MEBx by pressing Ctrl-P during POST.	16
2. Type the default password, which is admin.	16
3. Change the MEBx password, following strong password guidelines.	16
4. Select Intel ME Platform Configuration.	16
5. In Intel ME State Control, select Enabled.	16
6. In Intel ME Firmware Local Update Qualifier, select Always Open.	16
7. Skip LAN Controller.	16
8. Select Intel ME Features Control.	16
9. Select Intel ME Power Control.	16
10. Select Exit and save. The system displays the Intel ME Configuration Complete message, and then reboots.	16
11. Press Ctrl-P during POST to enter MEBx Setup again.	16
12. Type the MEBx password.	16
13. Select Intel AMT Configuration. The Intel AMT Configuration screen includes numerous options, which are available by scrolling down the menu.	17
Figure 8 Intel AMT Configuration Screen	17
Figure 9 Intel AMT Configuration Screen Continued	17
14. Select Host Name, and then type a host name	17
15. Select TCP/IP.	18
16. Select Provisioning Server.	18
17. Select Provision Model.	18
18. Select Set PID and PPS.	18
19. Skip Un-Provision. This option returns the system to factory defaults. See the Return to Default sec tion for more information about unprovisioning.	18
20. Skip VLAN.	19
21. Select SOL/IDE-R, and then select Y.	19
22. Select Remote Firmware Update, and then select Enabled.	19
23. Skip Set PRTC.	19
24. Select Idle Timeout.	19
25. Select Return to previous menu.	19
26. Select Exit, and then select Y to exit the MEBx Setup and save settings. The system displays an Intel ME Configuration Complete message and reboots.	20
27. Turn off the system and remove power. The system is now in In-Setup Mode and is ready for deploy ment.	20
28. 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.	20
Setup and Configuration Server Preparation	21
Provisioning Methods	21
Legacy	21
IT TLS-PSK	21
OEM TLS-PSK	22
Return to Default	23
Figure 10 Intel AMT Unprovisioning Screen	23
1. Select Un-Provision.	23
2. Select Return to previous menu.	23
3. Select Exit, and then select Y. The system reboots.	23
Full Return to Factory Defaults	24
USB Drive Key Set Up and Configuration	24
1. An IT technician inserts a USB drive key into a system with a management console.	24
2. The technician request local setup and configuration records from an S&CS through the console.	24
3. The S&CS:	24
4. The management console writes the password, PID, and PPS sets to a Setup.bin file in the USB drive key.	24
5. The technician takes the USB drive key to the staging area where new AMT platforms are located. The technician:	24
6. The system BIOS detects the USB drive key.	24
7. The system BIOS displays a message that automatic setup and configuration will occur.	25
8. MEBx processes the record.	25
9. MEBx writes a completion message to display.	25
10. The IT technician powers down the system. The system is now in In-Setup phase and is ready to be dis tributed to users in an Enterprise mode environment.	25
11. Repeat Step 5 if necessary (more than one system).	25
USB Drive Key Requirements	25
Appendix A: Frequently Asked Questions	26
Appendix B: Power / Sleep / Global States Explained	29

Match case Limit results 1 per page

Appendix B: Power / Sleep / Global States Explained

A computer can be in one of several power states under the Advanced Configuration and Power Interface

(ACPI) specification. These power states are also known as Sleep (Sx) states or Global (Gx) states.

•

is the ON state. The computer is fully functioning. All system devices and operating system, if

available, are running. S0 is also known as G0.

•

is the Standby (Microsoft terminology) or Suspend-to-RAM state. The memory subsystem and Vaux

power rail remains powered, while the rest of the system, including the processor, is not powered.

When the system resumes from S3, the system context remains intact because system memory was

preserved and powered at all times.

•

is the Hibernate (Microsoft terminology) or Suspend-to-Disk state. The system context (memory) is

saved to the hard drive as a hibernation file. When the system resumes from S4, the system context is

restored from the hibernation file. Vaux remains powered, but all other subsystems including system

memory and the processor are not powered.

•

is the Soft Off state. It is identical to S4 with the exception that the system context is not saved.

When the system resumes from S5, it powers up and going through POST. S5 is also known as G2.

•

is the Mechanical Off state. All subsystems are not powered in this state. The easiest way to

achieve this state is by removing AC power from the system by unplugging the power cord.

The ME has its own power states (Mx) similar to the Sx states:

•

is the ON state for the ME when the system is in S0 state. The ME is fully powered and running.

•

is the ON state for the ME when the system is in a non-S0 state. The ME is fully powered and run-

ning.

•

Moff

is the OFF state for the ME. The system is in a non-S0 state.

An example reading of the first row:

The ME is set to Always, so it remains powered and active in all Sx states. If the system (host) is in S0,

then the ME is in the corresponding M0 state. However, if the system is in S3, S4, or S5, then the ME

remains active, but is in M1 state. At no time is the ME in the Moff state when it is set to Always.

ME ON in Host Sleep State

Host Power State

ME Power State

Always

S3, S4, S5

Never

S3, S4, S5

Moff

Standby (S3)

S4, S5

Moff

Standby (S3) + Hibernate (S4)

S3, S4

Standby (S3) + Hibernate (S4)

Moff