Western Digital T13/2132-D - Manual (Page 14)

T13/2132-D Revision 3 June 23, 2010
2 Working Draft Enhanced Disk Drive - 4 (EDD-4)
The set of AT Attachment standards consists of this standard and the ATA implementation standards described in
AT Attachment - 8 ATA/ATAPI Architecture Model (ATA8-AAM). Enhance Disk Drive - 4 (EDD-4) specifies a
common set of procedures used to access or boot storage devices. Figure 1 shows the relationship of this
standard to the other standards and related projects in the ATA and SCSI families of standards and
specifications.
Figure 1 — ATA document relationships
AT
A
ttac
hme
nt –
8
Ar
chitect
u
re
M
ode
l
(A
TA
8-
AAM
)
Packet delivered
command sets
AT Attachment – 8
Parallel Transport
(ATA8-APT)
AT Attachment – 8
Serial Transport
(ATA8-AST)
ATA/ATAPI Command Set - 2 (ACS-2)
EDD-4 and Related host
standards and specifications
O
ther
r
e
la
te
d
device sp
e
cif
icat
io
ns