Advanced Configuration And Power Interface (Acpi); Power Control Sources; Table 14. Acpi Power States; Table 15. Power Control Initiators - Intel S2400SC Technical Product Specification

Platform Management Functional Overview

Port 80h snooping capability

Secondary Service Processor (SSP), which provides the HW capability of offloading time
critical processing tasks from the main ARM core.
Emulex* Pilot III contains an integrated SIO, KVMS subsystem and graphics controller with the
following features:
6.4

Advanced Configuration and Power Interface (ACPI)

The server board has support for the following ACPI states:
State Supported
S0 Yes Working.
 The front panel power LED is on (not controlled by the BMC).
 The fans spin at the normal speed, as determined by sensor inputs.
 Front panel buttons work normally.
S1 Yes Sleeping. Hardware context is maintained; equates to processor and chipset clocks being
stopped.




The BMC detects that the system has exited the ACPI S1 sleep state when the BIOS SMI
handler notifies it.
S2 No Not supported.
S3 No Supported only on Workstation platforms. See appropriate Platform Specific Information for
more information.
Not supported.
S4 No
S5 Yes Soft off.
 The front panel buttons are not locked.
 The fans are stopped.
 The power-up process goes through the normal boot process.
 The power, reset, front panel NMI, and ID buttons are unlocked.
6.5

Power Control Sources

The server board supports several power control sources which can initiate a power-up or
power-down activity.
Source
Power button
BMC watchdog timer
60

Table 14. ACPI Power States

The front panel power LED blinks at a rate of 1 Hz with a 50% duty cycle (not controlled
by the BMC).
The watchdog timer is stopped.
The power, reset, front panel NMI, and ID buttons are unprotected.
Fan speed control is determined by available SDRs. Fans may be set to a fixed state, or
basic fan management can be applied.

Table 15. Power Control Initiators

External Signal Name or
Internal Subsystem
Front panel power button
Internal BMC timer
Intel order number G36516-002
Intel® Server Board S2400SC TPS
Description
Capabilities
Turns power on or off
Turns power off, or power cycle
Revision 2.0