beautypg.com

Quantum 10K II User Manual

Page 228

background image

SCSI Description

Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives

5–161

RECEIVE DIAGNOSTIC RESULTS Command (1Ch) (continued)

Bit

Byte

7

6

5

4

3

2

1

0

0

Operation Code (40h)

1

Reserved

2 - 3

Page Length (2 + (8 x n))

(where n = number of sectors / LBA)

4

Reserved

Supplied Format =

000b (LBA)

5

RAREA

ALTSEC

ALTTRK

Reserved

Translate Format =

101b (Physical Sector)

6 - 8

Translated Address (Cylinder Number)

1

9

Translated Address (Head Number)

1

10 - 13

Translated Address (Sector Number or Bytes From Index)

1

y -
y +
2

Translated Address (Cylinder Number)

Where y = ((n-1) x 8) + 6

y +
3

Translated Address (Head Number)

y +
4
-
y +
7

Translated Address (Sector Number or Bytes From Index)

NOTE: Bytes 6 through 13: One set of these bytes is required for each sector per Logical Block

Address.

Figure 5–77 Translate Address Page — Data Format