Hitachi 220H Bios Manual page 28

The following table shows description of menu items.
Table 1-10: CPU Power Management Configuration submenu items
Menu items
CPU Power Management Configuration
Power Technology
2
EIST
Turbo Mode
P-STATE Coordination
CPU C3 Report
CPU C6 report
CPU C7 report
Package C State limit
Energy Performance
Frequency Floor
Override
Notes:
1 A value in square brackets, [ ], shows the default.
2 This item is displayed when Power Technology is set Custom.
3 This item is displayed when Power Technology is set Custom and EIST is set Enabled.
4 This item is not displayed when the CPU installed in the system unit is not supporting the Turbo Mode
function.
1-20
Selection
Disabled

Energy Efficient

[Custom]

Disabled

[Enabled]

3 4
Disabled

[Enabled]

3 [HW_ALL]

SW_ALL

SW_ANY

2
[Disabled]

ACPI C-2

ACPI C-3

2
Disabled

[Enabled]

2
[Disabled]

Enabled

2
C0

[C2]

C6

C7

No limit

Performance

[Balanced

Performance]
Blanced Energy

Energy Efficient

[Disabled]

Enabled

System BIOS
Hitachi Compute Rack 210H/220H BIOS Guide
1
Sets CPU power technology function.
Sets CPU EIST, which makes effect after the
reboot.
Sets CPU Turbo Mode, which makes effect after the
reboot.
Sets the ACPI P-State coordination.
HW_ALL: Processor hardware is responsible.
SW_ALL: OS Power Manager is responsible (all of
logical processor).
SW_ANY: OS Power Manager is responsible (any
of logical processor).
Sets CPU C2 or C3 Power States, which makes
effect after the reboot.
Sets CPU C6 Power States, which makes effect
after the reboot.
Sets CPU C6 Power States, which makes effect
after the reboot.
Sets state for the C-State package limit.
Sets the policy of power consumption.
Sets the ACPI P-State limit.
Description