Figure 5.2 Execution Example Of Read Multiple Command - Fujitsu MHT2080AH - 80GB 5400 RPM PATA Hard Drive Product Manual

If the READ MULTIPLE command is issued before the SET MULTIPLE MODE
command is executed or when the READ MULTIPLE command is disabled, the
device rejects the READ MULTIPLE command with an ABORTED COMMAND
error.
Figure 5.2 shows an example of the execution of the READ MULTIPLE
command.
Block count specified by SET MULTIPLE MODE command = 4 (number of
sectors in a block)
READ MULTIPLE command specifies;
Number of requested sectors = 9 (Sector Count register = 9)

Figure 5.2 Execution example of READ MULTIPLE command

At command issuance (I/O registers setting contents)
1F7 (CM)
H
1F6 (DH)
H
1F5 (CH)
H
1F4 (CL)
H
1F3 (SN)
H
1F2 (SC)
H
1F1 (FR)
H
C141-E195-02EN
1 1 0 0
x L x DV
Start cylinder No. [MSB] / LBA
Start cylinder No. [LSB] / LBA
Start sector No. / LBA [LSB]
Transfer sector count
xx
5.3 Host Commands
0 1 0 0
Start head No. / LBA
[MSB]
5-21