EW31244SL7QV Datasheet, PDF (101/252 Pages) Intel Corporation – Intel® 31244 PCI-X to Serial ATA Controller

Intel^® 31244 PCI-X to Serial ATA Controller
Programming Interface
Figure 31.
SATA Unit Interrupt Generation Block Diagram
To PCI Interrupt Pin - PINTA#
Direct Port Access Mode
PCI IDE Mode
OR
SATA
Interrupt
Mask 31 30
24 23 22
16 15 14
8 76
0
Register
SATA
Interrupt
Pending
31 30
24 23 22
16 15 14
8 76
0
Register
SError
Interrupts
Port 3
SError
Interrupts
Port 2
Port 3
Port 2
NOTES:
Port 0 SError bits are reported on bits 6-0
Port 1 SError bits are reported on bits 14-8
Port 2 SError bits are reported on bits 22-16
Port 3 SError bits are reported on bits 30-24
SError
Interrupts
Port 1
Port 1
SError
Interrupts
Port 0
Port 0
OR
Mask Bits
provided
Device Control
Register (nIEN)
SATA Device
Interrupts
Port 0- Port 3
Developer’s Manual
April 2004
101