HP Integrity rx2800 rx2800 i2 User Service Guide - Page 15

Hard drive subsystem, Firmware, Event IDs for errors and events

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Table 3 (continued) Power Supply Count 1 2 1 2 Voltage Low Line (100-120) Low Line (100-120) Low Line (100-120) Low Line (100-120) CPU 2 2 1 or 2 1 or 2 DIMM Count 8 or less 8 or less 24 or less 24 or less Memory Riser Count 1 or 2 1 or 2 3 or 4 3 or 4 Redundancy Illegal configuration Illegal configuration Illegal configuration No The server also supports power capping. Hard drive subsystem The server supports up to eight SFF, 2.5 in. SAS hard drives. Each drive is equipped with two LEDs that indicate activity and device status. Firmware Firmware consists of many individually linked binary images that are bound together by a single framework at run-time. Internally, the firmware employs a software database called a device tree to represent the structure of the hardware platform and to provide a means of associating software elements with hardware functionality. The firmware incorporates the following main interfaces: • PAL provides a seamless firmware abstraction among the CPU, system software and, platform firmware. • SAL provides a uniform firmware interface, and initializes and configures the platform. • UEFI provides an interface between the operating system and the platform firmware. UEFI uses data tables that contain platform-related information, and boot and runtime service calls that are available to the operating system and its loader to provide a standard environment for booting. • ACPI provides a standard environment for configuring and managing server systems. ACPI moves system power configuration and management from the system firmware to the operating system and abstracts the interface between the platform hardware and the operating system software. This allows each to evolve independently of the other. • iLO 3 • There are other, small, miscellaneous pieces of firmware used for integrated LAN and SAS controllers, and programmable logic devices. All operating systems are presented with the same interface to system firmware, and all features are available to the operating system. Event IDs for errors and events The system firmware generates event IDs for errors, events, and forward progress to iLO 3 through common shared memory. iLO 3 interprets and stores event IDs. Reviewing these events helps you diagnose and troubleshoot problems with the server. Server subsystems 15

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Table 3
(continued)
Redundancy
Memory Riser
Count
DIMM Count
CPU
Voltage
Power Supply
Count
Illegal
configuration
1 or 2
8 or less
2
Low Line
(100-120)
1
Illegal
configuration
1 or 2
8 or less
2
Low Line
(100-120)
2
Illegal
configuration
3 or 4
24 or less
1 or 2
Low Line
(100-120)
1
No
3 or 4
24 or less
1 or 2
Low Line
(100-120)
2
The server also supports power capping.
Hard drive subsystem
The server supports up to eight SFF, 2.5 in. SAS hard drives. Each drive is equipped with two LEDs
that indicate activity and device status.
Firmware
Firmware consists of many individually linked binary images that are bound together by a single
framework at run-time. Internally, the firmware employs a software database called a device tree
to represent the structure of the hardware platform and to provide a means of associating software
elements with hardware functionality.
The firmware incorporates the following main interfaces:
•
PAL provides a seamless firmware abstraction among the CPU, system software and, platform
firmware.
•
SAL provides a uniform firmware interface, and initializes and configures the platform.
•
UEFI provides an interface between the operating system and the platform firmware. UEFI
uses data tables that contain platform-related information, and boot and runtime service calls
that are available to the operating system and its loader to provide a standard environment
for booting.
•
ACPI provides a standard environment for configuring and managing server systems. ACPI
moves system power configuration and management from the system firmware to the operating
system and abstracts the interface between the platform hardware and the operating system
software. This allows each to evolve independently of the other.
•
iLO 3
•
There are other, small, miscellaneous pieces of firmware used for integrated LAN and SAS
controllers, and programmable logic devices.
All operating systems are presented with the same interface to system firmware, and all features
are available to the operating system.
Event IDs for errors and events
The system firmware generates event IDs for errors, events, and forward progress to iLO 3 through
common shared memory. iLO 3 interprets and stores event IDs. Reviewing these events helps you
diagnose and troubleshoot problems with the server.
Server subsystems
15