Acnodes RMC 7132 user manual Inlet Temperature, Temperature Rise, Air Flow, Altitude, DIMM Pitch

RMC 7132

1U Rackmount System

Inlet Temperature

This is the temperature detected at the chassis inlet. Each step is in 0.5oC increment. The default is [070]. Press "+" or "-" on your keyboard to change this value.

Temperature Rise

This item allows the user to define the temperature rise parameter of a memory module to be used to improve memory power management. Each setting is in

0.5oC increments. The default setting is [020]. Press "+" or "-" on your keyboard

to change this value.

Air Flow

This item allows the user to set the desired speed of air flow to the DIMM mod- ules. Each increment is one mm/sec. The default is [1500]. Press "+" or "-" on your keyboard to change this value.

Altitude

This item allows the user to specify the altitude of the location where the com- puter is used. For Tylersburg-EP platforms, system memory thermal solution is derated up to 900m. To comply with CPU specifications, BIOS will attempt to adjust and correct DIMM velocity based on the altitude where the system is located in order to improve DIMM thermal performance. Altitude is defined as the number of feet above the sea level where the computer is located. The options are Sea Level or Below, 1~300 (above-), 301~600 (above-), 601~900 (above-),

901~1200 (above-), 1201~1500 (above-), 1501~1800 (above-), 1801~2100 (above-), 2101~2400 (above-), 2401~2700 (above-), and 2701~3000 (above-) the sea level.

DIMM Pitch

Use this feature to specify the distance of physical space between each DIMM module. Each step is in 1/1000 of an inch. The default is [400]. Press "+" or "-" on your keyboard to change this value.

High Performance Event Timer

Select Enabled to activate the High Performance Event Timer (HPET) that produces periodic inter- rupts at a much higher frequency than a Real-time Clock (RTC) does in synchronizing multimedia streams, providing smooth playback and reducing the de- pendency on other timestamp calculation devices, such as an x86 RDTSC Instruc- tion embedded in the CPU. The High Performance Event Timer is used to replace the 8254 Programmable Interval Timer. The options are Enabled and Dis- abled.

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