GLOSSARY
Logicube SuperSonix User’s Manual
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A method of transferring data between two devices
in which all data passes through the CPU. A newer
alternative to PIO is Direct Memory Access (DMA).
See also UDMA.
QWERTY
Refers to the arrangement of the keys on a
standard English computer keyboard. The name
derives from the first six characters located on the
top row of the keyboard.
RAM Disk
RAM that has been configured to appear to a
computer as a hard drive. Files on a RAM disk can
be accessed just as files on a physical drive.
However, RAM disks lose their contents once the
computer has been turned off or rebooted. Also
known as a RAMDISK or RAMDRIVE.
Sector
The smallest physically divisible area of a hard
drive where data can be written to, or read from.
The first sector, (known as the master boot record,
the partition sector, or the partition table) tells the
computer vital information about the drive such as
how many partitions it has.
SID
(
S
ecurity
ID
)
A security feature in the Windows NT and Windows
2000 operating systems comprising of a unique
alphanumeric character string used to identify a
user or a group of users on a network. When a user
attempts to access a resource on the network, the
user’s SID is checked to determine if they have the
correct permissions to perform the requested
action.
Slave Drive, IDE
The secondary device connected to an IDE
interface. See Master/ Single Drive.
SMART
(
S
elf-
M
onitoring,
A
nalysis, and
R
eporting
T
echnology)
A diagnostic utility built into some modern hard
drives that constantly monitors the media, electronic
components and mechanical components. If
