Introduction
1-2 Maxtor D540X-4G
If there is a conflict between text and tables, the table shall be accepted as being
correct.
The names of abbreviations, commands, fields and acronyms use d as signal names are
in all uppercase type (e.g., IDENTIFY DRIVE). Fields containing only one bit are
usually referred to as the “name” bit instead of the “name” field.
Names of drive registers begin with a capital letter (e.g., Cylinder High register).
Numbers that are not followed by a lowercase “b” or “h” are decimal values.
Numbers that are followed by a lowercase “b” (e.g., 01b) are binary values. Numbers
that are followed by a lowercase “h” (e.g., 3Ah) are hexadecimal values.
ATA AT attachment MB megabyte
bpi bits per inch Mbits/sec megabits per second
CHS cylinder - head - sector MB/sec megabytes per second
db decibels MHz megahertz
dBA decibels, A weighted m s millisecond
DMA direct memory access MSB most significant bit
ECC error correction code mV millivolts
fci flux changes per inch ns nanoseconds
G acceleration PIO programmed input/output
GB gigabyte RPM revolutions per minute
Hz hertz tpi tracks per inch
KB kilobyte UDMA ultra direct memory
access
LBA logical block address(ing) µsec m icrosecond
LSB least significant bit V volts
mA milliamperes W watts