Users Guide

192 Glossary
server module
A modular system component that functions as an individual system. To function
as a system, a server module is inserted into a chassis which includes power
supplies, fans, a system management module, and at least one network switch
module. The power supplies, fans, system management module, and network
switch module are shared resources of the server modules in the chassis.
See modular system.
service tag number
A bar code label that identifies each system in the event that you need to call 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.
SIP
Acronym for single in-line package, which is a type of housing for electronic
components in which the connecting pins protrude from one side. A SIP is also
called a Single In-line Pin Package (SIPP).
SKU
Acronym for stock keeping unit.
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