The Lcd Menu - HP P Class 450/500/550/600/650/700/750 Reference Manual

MaxiLife Architecture
The MaxiLife chip continuously monitors temperature and voltage sensors located in
critical regions on the system board. This chip receives data about the various system
components via a dedicated I2C bus, which is a reliable communications bus to control the
integrated circuit boards.

The LCD Menu

To access the LCD main menu, press one of the LCD keys. This menu is composed of
several menu items which are displayed two at a time on the LCD screen. The following
menus are available:
• System Info. Obtains information from the BIOS and the system's Serial EEPROM
from a previously successful boot. This information includes: product name, BIOS
version, serial number, the number of processors and speed, size of memory for each
DIMM socket. The BIOS logs information in the serial EEPROM with SYSINFO.COM
at the end of the boot.
• Boot Steps. Shows the Power-On Self Test (POST) codes during the system start-up.
The POST code is provided by the BIOS and is displayed on the LCD panel as soon as it
is available. If the system stops during the start-up, the last successful boot step POST
code is displayed on the LCD.
Chapter 2
System Board
Devices on the SMBus
57