Seagate ST500VT001 ユーザーズマニュアル
S
EAGATE
V
IDEO
2.5 HDD P
RODUCT
M
ANUAL
, R
EV
. A
23
S
ERIAL
ATA (SATA) I
NTERFACE
Table 11 Bit Descriptions
Description (if bit is set to 1)
Bit
Word 63
0
Multiword DMA mode 0 is supported.
1
Multiword DMA mode 1 is supported.
2
Multiword DMA mode 2 is supported.
8
Multiword DMA mode 0 is currently active.
9
Multiword DMA mode 1 is currently active.
10
Multiword DMA mode 2 is currently active.
Bit
Word 88
0
Ultra DMA mode 0 is supported.
1
Ultra DMA mode 1 is supported.
2
Ultra DMA mode 2 is supported.
3
Ultra DMA mode 3 is supported.
4
Ultra DMA mode 4 is supported.
5
Ultra DMA mode 5 is supported.
6
Ultra DMA mode 6 is supported.
8
Ultra DMA mode 0 is currently active.
9
Ultra DMA mode 1 is currently active.
10
Ultra DMA mode 2 is currently active.
11
Ultra DMA mode 3 is currently active.
12
Ultra DMA mode 4 is currently active.
13
Ultra DMA mode 5 is currently active.
14
Ultra DMA mode 6 is currently active.
Bit
Word 93
13
1 = 80-conductor cable detected, CBLID above VIH
0 = 40-conductor cable detected, CBLID below VIL
0 = 40-conductor cable detected, CBLID below VIL