• Parameters
Parameters are given as initial capitals when spelled out and as all capitals when abbreviated.
For example:
Prefetch Enable : PE
Cache Enable : CE
• Names of Bits and Registers
Bit names and register names are presented in initial capitals. For example:
Host Software Reset
Sector Count Register
• Hexadecimal Notation
Hexadecimal notation is identified using the small letter form. For example:
30h
• Signal Negation
A signal name is defined as active low is listed with a dash character following the signal. For
example:
RD-
• Notes
Notes are used after tables to provide you with supplementary information.
• Host
In general, the system in which the drive resides is referred to as the host.
1-4
Reference
For additional information about the AT interface, refer to:
• ATA-3 (AT Attachment 3), Revision 7B, 27 January, 1997
WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 1-3
Scope