Compaq Presario CQ41-200 - Notebook PC Maintenance And Service Manual page 109

I/O address (hex)
2000 - 2FFF
3000 - 3FFF
4010 - 401F
4030 - 4037
4038 - 403F
4048 - 404B
404C - 404F
Maintenance and Service Guide
System function (shipping configuration)
PCI standard PCI-to-PCI bridge
PCI standard PCI-to-PCI bridge
Standard AHCI 1.0 Serial ATA Controller
Standard AHCI 1.0 Serial ATA Controller
Standard AHCI 1.0 Serial ATA Controller
Standard AHCI 1.0 Serial ATA Controller
Standard AHCI 1.0 Serial ATA Controller
Specifications
6–11