User's Manual

236 Glossary
use proprietary file formats containing binary characters, although some can read
and write text files.
text mode
A video mode that can be defined as x columns by y rows of characters.
threshold values
Systems are normally equipped with various sensors that monitor temperature,
voltage, current, and fan speed. The sensor's threshold values specify the ranges
(min and max values) for determining whether the sensor is operating under
normal, noncritical, critical or fatal conditions. Dell-supported threshold values are:
• UpperThresholdFatal
• UpperThresholdCritical
• UpperThresholdNon-critical
• Normal
• LowerThresholdNon-critical
• LowerThresholdCritical
• LowerThresholdFatal
time-out
A specified period of system inactivity that must occur before an energy
conservation feature is activated.
tpi
Abbreviation for tracks per inch.
TPM
Acronym for Trusted Platform Module
TQFP
Acronym for thin quad flat pack.
TSR
Abbreviation for terminate-and-stay-resident. A TSR program runs “in the
background.” Most TSR programs implement a predefined key combination
(sometimes referred to as a
hot key ) that allows you to activate the TSR program's
interface while running another program. When you finish using the TSR