Mylex AcceleRAID 250 Informations techniques Page 219

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Glossary
Manual No. 775029 G-3
motherboard so that the BIOS will always be available and not be affected by
failure of a disk. Sometimes the BIOS is recorded on a flash memory chip.
BIOS Configuration Utility
BIOS-Based Configuration Utility; utility program sequences that are used,
upon powerup, for configuring various hardware elements in a system.
Booting (or Bootstrapping)
The loading of operating system code from a disk or other storage device
into a computers memory
Bridge RAID Controller
A SCSI device appearing as a single ID on the SCSI bus, but which bridges
to multiple devices, typically used to control external RAID subsystems
(compare to Internal PCI-based RAID subsystems; see Internal RAID
Controller.). A bridge RAID controller is often referred to as an external
RAID controller.
Burst data rate
The speed at which a specific amount of data sent or received in one
intermittent operation (compare to Sustained Data Transfer Rate.)
Bus
The channel through which data is transferred. There are two types, Serial
and Parallel.
Cables
The physical wires (copper or fiber optic) over which electrical signals are
transmitted. Cables are used to connect peripherals (such as disk arrays) to
computers and servers or to connect peripherals or components to each other.
Cache
Controller memory used to speed up data transfer to and from a disk.
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