U10 Family Product Manual, Rev. A

25

 

 

 

WordDescription

Value

 

 

 

 

 

 

 

Configuration information:

 

 

• Bit 15: 0 = ATA; 1 = ATAPI

 

0

• Bit 7: removable media

0C5AH

 

• Bit 6: removable controller

 

 

• Bit 0: reserved

 

 

 

 

1

Number of logical cylinders

ST320423A, ST315323A,

 

 

ST310212A = 16,383

 

 

 

2

ATA-reserved

0000H

 

 

 

3

Number of logical heads

ST320423A, ST315323A,

 

 

ST310212A = 16

 

 

 

4

Retired

0000H

 

 

 

5

Retired

0000H

 

 

 

6

Number of logical sectors per

 

 

logical track: 63

003FH

7–9

Retired

0000H

 

 

 

10–19

Serial number: (20 ASCII

 

 

characters, 0000H = none)

ASCII

20

Retired

0000H

 

 

 

21

Retired

0400H

 

 

 

22

Obsolete

0004H

 

 

 

23–26

Firmware revision (8 ASCII

x.xx

 

character string, padded with

 

blanks to end of string)

 

 

 

 

27–46

Drive model number: (40

ST320423A

 

ASCII characters, padded

ST315323A

 

with blanks to end of string)

ST310212A

 

 

 

 

 

47

Maximum sectors per inter-

 

 

rupt on Read multiple and

8020H

 

Write multiple (32)

 

 

 

 

48

Reserved

0000H