The IBM Media Key (46C7526) is supported on following systems: System 7946 and 7947.

The IBM Virtual Media Key options take the Integrated Management Module to the next level, by providing full remote control of your System x servers. The IBM Virtual Media Keys allow administrators to fully manage servers remotely regardless of server or operating system condition. You can proactively monitor and manage your IT assets, even when the server is not operational.

There are two types of IMM functionality: IMM Standard and IMM Premium. If your server has IMM Standard functionality, you can upgrade to IMM Premium by purchasing and installing a virtual media key on your server system board. No new firmware is required.

IMM Standard has the following features:
Note: Some the following features do not apply to blade servers.
Access to critical server settings
Access to server vital product data (VPD)
Advanced Predictive Failure Analysis® (PFA) support
Automatic notification and alerts
Continuous health monitoring and control
Choice of a dedicated or shared Ethernet connection
Domain Name System (DNS) server support
Dynamic Host Configuration Protocol (DHCP) support
E-mail alerts
Embedded Dynamic System Analysis (DSA)
Enhanced user authority levels
LAN over USB for in-band communications to the IMM
Event logs that are time stamped, saved on the IMM, and can be attached to e-mail alerts
Industry-standard interfaces and protocols
OS watchdogs
Remote configuration through Advanced Settings Utility (ASU)
Remote firmware updating
Remote power control
Seamless remote accelerated graphics
Secure Web server user interface
Serial over LAN
Server console redirection
Simple Network Management Protocol (SNMP) support
User authentication using a secure connection to a Lightweight Directory Access Protocol (LDAP) server

In addition IMM Premium has the following features:
Remote presence, including the remote control of a server
Operating-system failure screen capture and display through the Web interface
Remote disk, which enables the attachment of a diskette drive, CD/DVD drive, USB flash drive, or disk image to a server

Note: The following features of the Remote Supervisor Adapter II are not in the IMM:
Display of server MAC addresses
Multiple NTP server entries
Dynamic DNS support