Viglen SX220 User Guide 21
NOTE: The RJ45-to-DB9 adapter should match the config uratio n of the s erial device
used. One of two pin-out configurations are used depending on whet her the
serial device requires a DSR or DCD signal. The final adapter configuration
should also match the desired pin-out of the RJ45 connector, as it can also
be configured to support either DSR or DCD.
For systems configured with both a front and rear RJ45 serial connectors,
the adapters used for the rear port cannot be used with the front port, as the
pin-out for both RJ45 ports are different. For example, modem applications
typically use DCD. In this case the user would use a DCD-configured
adapter and set the jumper block as shown in Figure 6.
The SCB2 server motherboard supports the Advanced Co nfiguration 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 s pin
down, the system fans stop, and all processing is halted. However, the po wer s upply
will still be on and the processors will still be dissipating some power, so the power
supply fans will still run.
The boards 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 mac hine 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.
The system is off only when the AC power is disconnected.
Intrusion Switch Monitoring
To help prevent unauthorised entry or use of the server, Intel® Ser ver C ontrol server
management software monitors the chassis intrusion switch if one is installed.
Opening an access cover will transmit an alarm signal to the server board, where
BMC firmware and server management software process t he signal. The system can