EW31244SL7QV Datasheet, PDF (23/252 Pages) Intel Corporation – Intel® 31244 PCI-X to Serial ATA Controller

Intel^® 31244 PCI-X to Serial ATA Controller
Overview
2.3
PCI Commands Supported in M/S (PCI IDE) Mode
Table 3.
PCI Commands Supported in PCI IDE Mode
PCI Command
Encoding
0000
0001
0010
0011
0100
0101
PCI Command
Type
Interrupt
Acknowledge
Special Cycle
I/O Read
I/O Write
Reserved
Reserved
PCI-X Command
Type
Claimed on
Inbound Transac-
tions on PCI Bus?
Generated by
Outbound Trans-
actions on PCI
Bus?
Interrupt
no
no
Acknowledge
Special Cycle
No
No
I/O Read
No
No
I/O Write
Yes
No
Reserved
No
No
Reserved
No
No
0110
0111
1000
1001
1010
1011
Memory Read
Memory Read
Yes
Yes
DWORD
Memory Write
Memory Write
Yes
Yes
Reserved
Alias to Memory
Read Block
PCI-X = Yes
PCI = No
No
Reserved
Alias to Memory
Write Block
PCI-X = Yes
PCI = No
No
ConfigurationRead ^{ConfigurationRead Yes}
No
Configuration Write Configuration Write Yes
No
1100
1101
1110
1111
Memory Read
Multiple
Split Completion
Yes
Dual Address Cycle Dual Address Cycle Yes
Memory Read Line
Memory Read
Block
Yes
Memory Write
Memory Write Block Yes
PCI-X = No
PCI = Yes
Yes
Yes
Yes
Developer’s Manual
April 2004
23