Electronics America Server User Manual

System Overview 1-21
Keyboard and Mouse
The keyboard and mouse controller is PS/2-compatible. The server may be locked automatically
if there is no keyboard or mouse activity for a predefined length of time. Once the inactivity
(lockout) timer has expired, the keyboard and mouse do not respond until the previously stored
password is entered. The Y-cable (shipped with your system) can be used if both a PS/2 mouse
and keyboard are required at the same time. The keyboard and mouse are ordered separately.
RJ-45 Serial Port
The rear RJ-45 serial port is a fully functional COM port that supports any standard serial device
and provides support for serial concentrators, which typically support RJ45 serial connectors. For
server applications that use a serial concentrator to access the server management features of the
baseboard, a standard 8-pin CAT-5 cable from the serial concentrator is plugged directly into the
rear RJ45 serial port. The 8 pins of the RJ45 connector can be configured to match either of two
pin-out standards used by serial port concentrators. To accommodate either standard, the J6A2
jumper block located directly behind the rear RJ45 serial port must be jumpered appropriately
according to which standard is desired.
See Chapter 3 for detail explanation.
ACPI
The system board supports the Advanced Configuration and Power Interface (ACPI) as defined
by the ACPI 1.0 and PC97 specifications. An ACPI aware operating system can put the system
into a state where the hard drives spin down, the system fans stop, and all processing is halted.
However, the power supply will still be on and the processors will still be dissipating some
power, so the power supply fans will still run.
The system board supports sleep states s0, s1, s4, and s5:
!
s0: Normal running state.
!
s1: Processor sleep state. No context will be lost in this state and the processor caches
will maintain coherency.
!
s4: Hibernate or Save to Disk: The memory and machine state are saved to disk. Pressing
the power button or other wakeup event will restore the system state from the disk and
resume normal operation. This assumes that no hardware changes have been made to the
system while it was off.
!
s5: Soft off: Only the RTC section of the CSB and the BMC are running in this state. No
context is saved by the OS or hardware.
IMPORTANT:
The system is off only when the AC power cord is
disconnected.