IBM Deskstar 25GP Installation And Reference Manual page 71

Secondary
Secondary indicates the second ATA/IDE channel of a computer. The secondary channel
controls the third and fourth hard disk drives or ATA/IDE devices in a computer.
Sector
A sector is the minimum segment of track length that the hard disk drive can assign to
store information. Sectors are 512 bytes in length on a PC compatible formatted hard
disk drive.
Setup
Setup is a BIOS utility to specify values, parameters, and modes stored in battery
powered CMOS memory for use by the system BIOS.
Slave
The term slave is used in the original ATA specification for the second addressed drive
(Device 1) on an ATA/IDE channel.
SR2 (Service Release 2)
Service Release 2 is also known as Windows 95b, a later release of Windows. SR2
supports Fat32.
Track
A track is a logical group of sectors that can be accessed by a single magnetic head in a
given position without repositioning the head stack assembly.
Translation
Translation is the process of redefining the physical parameters of a hard disk drive to
parameters compatible with the BIOS and operating system of a computer.
Ultra ATA
Ultra ATA (also known as Ultra DMA) is a data transfer protocol for transferring data to
and from main memory without passing it through the processor. Ultra ATA differs from
traditional DMA by using a strobe signal to latch data at twice the data rate. Ultra ATA
improves speed and efficiency by allowing the processor to perform other operations
while data is retrieved from the drive.
UNIX
UNIX is an operating system developed for multitasking in a multi-user environment. The
UNIX operating system was originally developed for use on minicomputers but has been
adapted for mainframes, microcomputers, and PCs.
Windows NT
Windows NT is Microsoft's 32-bit New Technology operating system. Windows NT 3.5
and 4.0 support FAT16 and NTFS (New Technology File System). Windows NT 4.0
does not support FAT32.
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