參數(shù)資料
型號(hào): SiI3124ACBHU
廠商: Silicon Image, Inc.
英文描述: PCI-X to Serial ATA Controller
中文描述: PCI - X到串行ATA控制器
文件頁數(shù): 33/88頁
文件大?。?/td> 621K
代理商: SII3124ACBHU
PCI-X to Serial ATA Controller
Silicon Image, Inc.
5.3.7 Standard ATA Command PRB Structure
Table 5-5 shows the layout for standard ATA commands. The Control and protocol override fields must be populated as
described above.
31
Protocol Override
Received Transfer Count
Features / Error
Command / Status
C
Dev/Head
Cyl High
Features (Exp)
Cyl High (Exp)
Device Control
Reserved
Reserved
Reserved
Reserved – Must Be Zero
SGE0 Data Address Low
SGE0 Data Address High
SGE0 Data Count
SGE0 TRM
SGE0 LNK
SGE0 DRD
SGE0 XCF
SGE1 Data Address Low
SGE1 Data Address High
SGE1 Data Count
SGE1 TRM
SGE1 LNK
SGE1 DRD
SGE1 XCF
Data Sheet
2006 Silicon Image, Inc.
SiI-DS-0160-C
33
0
0x00
0x04
0x08
0x0C
0x10
0x14
0x18
0x1C
0x20
0x24
0x28
0x2C
0x30
0x34
0x38
0x3C
Control
R
R
Cyl Low
Cyl Low (Exp)
Sector Count (Exp)
Reserved
R
PMP
FIS Type
Sector Number
Sector Num (Exp)
Sector Count
Reserved
Reserved[27:0]
Reserved[27:0]
Table 5-5 Port Request Block For Standard ATA Commands
The Received Transfer Count field (offset 0x04) is reserved as an input to the SiI3124 and should be populated with a value of
all zeroes. Upon successful command completion, this field will contain the total number of data bytes received during the
command execution. The host driver may use this field to determine the transfer size for commands in which the total transfer
size is unknown, such as ATAPI inquiries.
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