U Series 5 Family Product Manual, Rev. B

27

 

 

 

Word

Description

Value

 

 

 

 

 

 

65

Minimum multiword DMA

 

 

transfer cycle time per word

0078H

 

(120 nsec)

 

 

 

 

66

Recommended multiword

 

 

DMA transfer cycle time per

0078H

 

word (120 nsec)

 

 

 

 

67

Minimum PIO cycle time

 

 

without IORDY flow control

00F0H

 

(240 nsec)

 

 

 

 

68

Minimum PIO cycle time with

 

 

IORDY flow control (120

0078H

 

nsec)

 

 

 

 

69–74

ATA-reserved

0000H

 

 

 

75

Queue depth

0000H

 

 

 

76–79

ATA-reserved

0000H

 

 

 

80

Major version number

003EH

 

 

 

81

Minor version number

0000H

 

 

 

82

Command sets supported

346BH

 

 

 

83

Command sets supported

4009H

 

 

 

84

Command sets support

4209H

 

extension

 

 

 

 

85

Command sets enabled

xxxxH

 

 

 

86

Command sets enabled

xxxxH

 

 

 

87

Command sets enable

xxxxH

 

extension

 

 

 

 

88

Ultra DMA support and

xx3FH

 

current mode

 

 

(see note following this table)

 

 

 

 

89

Security erase time

0000H

 

 

 

90

Enhanced security erase

0000H

 

time