Filter
Top Products
5.3 Host Commands
C141-E042-01EN 5-33
Word Value Description
21 X’0000’ Undefined
22 X’0004’ Number of ECC bytes transferred at READ LONG or
WRITE LONG command
23-26 – Firmware revision (ASCII code) *3
27-46 – Model name (ASCII code) *4
47 X’8020’ Maximum number of sectors per interrupt on
READ/WRITE MULTIPLE command
48 X’0000’ Reserved
49 X’0B00’ Capabilities *5
50 X’0000’ Reserved
51 X’0200’ PIO data transfer mode *6
52 X’0000’ Reserved
53 X’0003’ Enable/disable setting of words 54-58 and 64-70, 88 *7
54 (Variable) Number of current Cylinders
55 (Variable) Number of current Head
56 (Variable) Number of current sectors per track
57-58 (Variable) Total number of current sectors
59 *8 Transfer sector count currently set by READ/WRITE
MULTIPLE command *8
60-61 X’00409980’
X’0060E640’
Total number of user addressable sectors (LBA mode only)
MHA2021AT: X’00409980’
MHA2032AT: X’0060E640’
62 X’0000’ Reserved
63 X’xx07’ Multiword DMA transfer mode *9
64 X’0003’ Advance PIO transfer mode support status *10
65 X’0078’ Minimum multiword DMA transfer cycle time per word :
120 [ns]
66 X’0078’ Manufacturer’s recommended DMA transfer cycle time :
120 [ns]
67 X’00F0’ Minimum PIO transfer cycle time without IORDY flow
control : 240 [ns]
68 X’0078’ Minimum PIO transfer cycle time with IORDY flow control
: 120 [ns]
69-79 X’00’ Reserved
80 X’000E’ Major version number *11