Samsung 3.5" hard disk drives User Manual
DISK DRIVE OPERATION
SpinPoint V40 Product Manual
61
Table 6-6 IDENTIFY DEVICE information (continued)
Word Content
Description
Command set/feature enabled. . (The default manufacturing setting is as below)
Command set/feature enabled. . (The default manufacturing setting is as below)
15-5 Reserved
4
(=0) Removable Media Status Notification feature set enabled
3
(=0) Advanced Power Management feature set enabled
2
(=0) CFA feature set enabled
1
(=0) READ/WRITE DMA QUEUED command supported
86 0001h
0
(=0) DOWNLOAD MICROCODE command supported
Command set/feature default.
15-14
Word 87 is valid
87 4000h
13-0 Reserved
Ultra DMA transfer modes
15-8
(=0Xh) Current active Ultra DMA transfer mode
15-13
Reserved
(=0)
12
Ultra DMA mode 4
1= Active
0= Not Active
11
Ultra DMA mode 3
1= Active
0= Not Active
10
Ultra DMA mode 2
1= Active
0= Not Active
9
Ultra DMA mode 1
1= Active
0= Not Active
8
Ultra DMA mode 0
1= Active
0= Not Active
7-0
(1Fh) Ultra DMA transfer mode supported
7-5
Reserved
(=0)
4
Ultra DMA mode 4
1= Support
3
Ultra DMA mode 3
1= Support
2
Ultra DMA mode 2
1= Support
1
Ultra DMA mode 1
1= Support
88 001Fh
0
Ultra DMA mode 0
1= Support
89-92 0000h
Reserved
93
4101h
Hardware reset result. The contents of bits 12-0 of this word shall change only during the
execution of a hardware reset.
execution of a hardware reset.
15-14
(=01) Word 93 is valid
13
1=device detected CBLID- above V
iH,
0=device detected CBLID- below V
iL
12-9
(=0)
Reserved
8
(=1) Shall be set to one.
7-1
(=0)
Reserved
0
(=1) Shall be set to one.
Command automatic acoustic management value.
15-8 (80h)
Vendor’s recommended acoustic management value.
94 8000h
7-0 (00h)
Current automatic acoustic management value.
95-128 0000h Reserved
129-159 0000h Vendor
specific
160-255 0000h Reserved