User's Manual

232 Glossary
sec
Abbreviation for second(s).
SEC
Abbreviation for single-edge contact.
serial port
An I/O port used most often to connect a modem to your computer. You can
usually identify a serial port on your computer by its 9-pin connector.
settings
Settings are conditions of a manageable object help to determine what happens
when a certain value is detected in a component. For example, a user can set the
upper critical threshold of a temperature probe to 75 degrees Celsius. If the probe
reaches that temperature, the setting results in an alert being sent to the management
console so that user intervention can be taken. Some settings, when reached, can
trigger a system shutdown or other response that can prevent damage to the system.
service tag number
A bar code label on the computer that identifies it when you call Dell for customer
or technical support.
SGRAM
Acronym for synchronous graphics RAM.
shadowing
A computer's system and video BIOS code is usually stored on ROM chips.
Shadowing refers to the performance-enhancement technique that copies BIOS
code to faster RAM chips in the upper memory area (above 640 KB) during the
boot routine.
SIMD
Abbreviation for Single Instruction Multiple Data.
SIMM
Acronym for single in-line memory module. A small circuit board containing
DRAM chips that connects to the system board.