Fujitsu MHU2100AT manual Host Commands

Models: MHU2100AT

1 278
Download 278 pages 51.42 Kb
Page 161
Image 161

5.3 Host Commands

*17 WORD 87

 

Bits 15:

= '0'

Bits 14:

= '1'

Bits 13-2:

Reserved

Bit 1-0:

Same definition as WORD 84.

*18 WORD 88

 

Bit 15-8:

Currently used Ultra DMA transfer mode

 

Bit 13: '1' = Mode 5 is selected.

 

Bit 12: '1' = Mode 4 is selected.

 

Bit 11: '1' = Mode 3 is selected.

 

Bit 10: '1' = Mode 2 is selected.

 

Bit 9: '1' = Mode 1 is selected.

 

Bit 8: '1' = Mode 0 is selected.

Bit 7-0:

Supportable Ultra DMA transfer mode

 

Bit 5: '1' = Supports the Mode 5

 

Bit 4: '1' = Supports the Mode 4

 

Bit 3: '1' = Supports the Mode 3

 

Bit 2: '1' = Supports the Mode 2

 

Bit 1: '1' = Supports the Mode 1

 

Bit 0: '1' = Supports the Mode 0

*19 WORD 89

 

MHU2100AT = X'32': 100 minutes

*20 WORD 93

 

Bits 15:

= 0

Bit 14:

= '1'

Bit 13:

'1' = CBLID- is a higher level than VIH (80-conductor cable).

 

'0' = CBLID- is a lower level than VIL (40-conductor cable).

Bits 12-8:

In the case of Device 1 (slave drive), a valid value is set.

 

Bit 12: Reserved

 

Bit 11: '1' = Device asserts PDIAG-.

C141-E202-01EN

5-85

Page 161
Image 161
Fujitsu MHU2100AT manual Host Commands