Integrated Lights-Out 3 technology

3
Table 1. Feature comparison of iLO 3 and iLO 2 architectures
Interface iLO 3 iLO 2
CPU
 250Mhz ARM9  66Mhz NEC V850
System Interface
 x1 PCI-E g1  PCI-33/32
Memory
 8MB Flash
 128MB (60MB after ECC and video),
500Mhz DDR-2
 ECC support
 4MB Flash
 16MB 66Mhz SDRAM
Secondary MAC

10/100 NCSI

n/a
USB Device
 USB 2.0  USB 1.1
DVR Encryption
 RC4
 AES
 RC4
DVR Max Resolution
 1600x1200  1280x1024
iLO 3 architecture
iLO 3 consists of a management processor and its firmware-based operating environment. iLO 3 resides
on the system board, uses auxiliary power, and operates independently of the system processor and OS.
This means that iLO 3 has the following characteristics:
 Fully operational during a shut-down and reboot of the server because it does not depend on server
power
 Autonomous from the server hardware and isolated from any problems occurring with it
 Available for out-of-band management without assistance from the OS
Firmware levels
The firmware provides two levels of functionality—Standard and Advanced. You’ll need a license key to
use Advanced functions. Refer to
http://h18013.www1.hp.com/products/servers/management/ilo_table.html for more information about
functionality differences.
iLO 3 Standard
iLO 3 Standard functions includes basic system management functions such as the ability to power on and
off the host server remotely, to access server status and diagnostics (Integrated Management Log), and to
access system alerts like SNMP traps. iLO 3 Standard Blade Edition offers additional management
functions for headless environments.
iLO 3 Advanced
iLO 3 Advanced provides the complete suite of remote management capabilities for ProLiant ML-, DL- and
SL-based environments. iLO 3 Advanced for BladeSystem provides the same capabilities for HP
BladeSystem servers. iLO 3 Advanced versions include virtual power control, virtual media, and other
sophisticated security features. Monitoring logic
Monitored subsystems
iLO (Figure 1) provides logic functions that monitor and control the server. It implements Automatic Server
Recovery-2 (ASR-2), which reboots the server automatically after recoverable faults and before imminent
failures. Additional monitoring and control capabilities have expanded over time. For servers that support
system-embedded health monitoring, the iLO 3 processor can monitor fans, power supplies, disk drives,
and DIMMs. iLO: