NH82801FBM S L89K Intel, NH82801FBM S L89K Datasheet - Page 483
NH82801FBM S L89K
Manufacturer Part Number
NH82801FBM S L89K
Description
Manufacturer
Intel
Datasheet
1.NH82801FBM_S_L89K.pdf
(786 pages)
Specifications of NH82801FBM S L89K
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12.2
Intel
Table 12-2. Bus Master IDE I/O Register Address Map
®
I/O Controller Hub 6 (ICH6) Family Datasheet
Bus Master IDE I/O Registers (D31:F2)
The bus master IDE function uses 16 bytes of I/O space, allocated via the BAR register, located in
Device 31:Function 2 Configuration space, offset 20h. All bus master IDE I/O space registers can
be accessed as byte, word, or DWord quantities. Reading reserved bits returns an indeterminate,
inconsistent value, and writes to reserved bits have no affect (but should not be attempted). These
registers are only used for legacy operation. Software must not use these registers when running
AHCI. The description of the I/O registers is shown in
0C–0F
Offset
BAR+
04–07
0A
0B
00
01
02
03
08
09
Mnemonic
BMICP
BMISP
BMIDP
BMICS
BMISS
BMIDS
—
—
—
—
Command Register Primary
Reserved
Bus Master IDE Status Register Primary
Reserved
Bus Master IDE Descriptor Table Pointer Primary
Command Register Secondary
Reserved
Bus Master IDE Status Register Secondary
Reserved
Bus Master IDE Descriptor Table Pointer Secondary
Register
Table
SATA Controller Registers (D31:F2)
12-2.
xxxxxxxxh
xxxxxxxxh
Default
00h
00h
00h
00h
—
—
—
—
R/W, R/WC,
R/W, R/WC,
Type
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
483
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