NH82801HEM S LB9B Intel, NH82801HEM S LB9B Datasheet - Page 512
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NH82801HEM S LB9B
Manufacturer Part Number
NH82801HEM S LB9B
Description
Manufacturer
Intel
Datasheet
1.NH82801HEM_S_LB9B.pdf
(890 pages)
Specifications of NH82801HEM S LB9B
Lead Free Status / RoHS Status
Compliant
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12.4
Note:
Table 124.
512
AHCI Registers (D31:F2) (Intel
ICH8DO, and ICH8M-E Only)
These registers are AHCI-specific and available when the ICH8 is properly configured.
The Serial ATA Status, Control, and Error registers are special exceptions and may be
accessed on all ICH8 components if properly configured. See
details.
The memory mapped registers within the SATA controller exist in non-cacheable
memory space. Additionally, locked accesses are not supported. If software attempts to
perform locked transactions to the registers, indeterminate results may occur. Register
accesses shall have a maximum size of 64-bits; 64-bit access must not cross an 8-byte
alignment boundary.
The registers are broken into two sections – generic host control and port control. The
port control registers are the same for all ports, and there are as many registers banks
as there are ports.
AHCI Register Address Map
100h–17Fh
180h–1FFh
200h–27Fh
280h–2FFh
300h–37Fh
380h–3FFh
ABAR +
20h–FFh
00–1Fh
Offset
Mnemonic
P0PCR
P1PCR
P2PCR
P3PCR
P4PCR
P5PCR
GHC
—
Generic Host Control
Reserved
Port 0 port control registers
Port 1 port control registers
Port 2 port control registers
Port 3 port control registers (Desktop Only)
Registers are not available and software must not read or write
registers. (Mobile Only)
Port 4 port control registers (Desktop Only)
Registers are not available and software must not read or write
registers. (Mobile Only)
Port 5 port control registers (Desktop Only)
Registers are not available and software must not read or write
registers. (Mobile Only)
Register
®
SATA Controller Registers (D31:F2)
ICH8R, ICH8DH,
Section 12.1.31
Intel
®
ICH8 Family Datasheet
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