Intel N2820 FH8065301616603 Data Sheet
Product codes
FH8065301616603
Datasheet
231
Serial ATA (SATA)
13.13.6
Secondary Channel Device register (S_DRIVE_HEAD)—Offset 6h
Access Method
Default: 00h
13.13.7
Secondary Channel Status register (S_STATUS)—Offset 7h
Access Method
Default: 00h
Type: I/O Register
(Size: 8 bits)
S_DRIVE_HEAD: [SCMDIDEBA] + 6h
SCMDIDEBA Type: PCI Configuration Register (Size: 32 bits)
SCMDIDEBA Reference: [B:0, D:19, F:0] + 100h
SCMDIDEBA Reference: [B:0, D:19, F:0] + 100h
7
4
0
0
0
0
0
0
0
0
0
RSV
D
0
S_DRIVE
_
HE
AD_1
RSV
D
1
Bit
Range
Default &
Access
Description
7:5
0b
RO
RSVD0: Reserved
4
0h
RW
Device (S_DRIVE_HEAD_1): Device.
3:0
0b
RO
RSVD1: Reserved
Type: I/O Register
(Size: 8 bits)
S_STATUS: [SCMDIDEBA] + 7h
SCMDIDEBA Type: PCI Configuration Register (Size: 32 bits)
SCMDIDEBA Reference: [B:0, D:19, F:0] + 100h
SCMDIDEBA Reference: [B:0, D:19, F:0] + 100h
7
4
0
0
0
0
0
0
0
0
0
S_ST
A
T
US
_BSY
S_S
TA
T
US_
D
R
D
Y
S_S
TA
T
U
S
_DF
RSVD
0
S_ST
A
T
U
S
_DRQ
RSVD
1
S
_
ST
A
T
U
S
_ERR_CHK
Bit
Range
Default &
Access
Description
7
0h
RW
BUSY (S_STATUS_BSY): BUSY.