Technical Product Specification
Intel® Server Board S2600IP and Intel® Workstation Board W2600CR TPS Platform Management Overview
Revision 1.4 Intel order number G34153-004 83
Media redirection supports redirection for both a virtual CD device and a virtual
Floppy/USB device concurrently. The CD device may be either a local CD drive or else
an ISO image file; the Floppy/USB device may be either a local Floppy drive, a local
USB device, or else a disk image file.
The media redirection feature supports multiple encryption algorithms, including RC4
and AES. The actual algorithm that is used is negotiated with the client based on the
client’s capabilities.
A remote media session is maintained even when the server is powered-off (in standby
mode). No restart of the remote media session is required during a server reset or power
on/off. An BMC reset (for example, due to an BMC reset after BMC FW update) will
require the session to be re-established.
The mounted device is visible to (and useable by) managed system’s OS and BIOS in
both pre-boot and post-boot states.
The mounted device shows up in the BIOS boot order and it is possible to change the
BIOS boot order to boot from this remote device.
It is possible to install an operating system on a bare metal server (no OS present) using
the remotely mounted device. This may also require the use of KVM-r to configure the
OS during install.
USB storage devices will appear as floppy disks over media redirection. This allows for the
installation of device drivers during OS installation.
If either a virtual IDE or virtual floppy device is remotely attached during system boot, both the
virtual IDE and virtual floppy are presented as bootable devices. It is not possible to present
only a single-mounted device type to the system BIOS.
4.8 Intel
®
Intelligent Power Node Manager (NM)
4.8.1 Overview
Power management deals with requirements to manage processor power consumption and
manage power at the platform level to meet critical business needs. Node Manager (NM) is a
platform resident technology that enforces power capping and thermal-triggered power capping
policies for the platform. These policies are applied by exploiting subsystem knobs (such as
processor P and T states) that can be used to control power consumption. NM enables data
center power management by exposing an external interface to management software through
which platform policies can be specified. It also implements specific data center power
management usage models such as power limiting, and thermal monitoring.
The NM feature is implemented by a complementary architecture utilizing the ME, BMC, BIOS,
and an ACPI-compliant OS. The ME provides the NM policy engine and power control/limiting
functions (referred to as Node Manager or NM) while the BMC provides the external LAN link by
which external management software can interact with the feature. The BIOS provides system
power information utilized by the NM algorithms and also exports ACPI Source Language (ASL)
code used by OS-Directed Power Management (OSPM) for negotiating processor P and T state
changes for power limiting. PMBus*-compliant power supplies provide the capability to
monitoring input power consumption, which is necessary to support NM.