IEI Integration IMBA-XQ354 v1.10 - Manual (Page 36)

IMBA-XQ354 Motherboard
Page 16
Figure 2-5: Southbridge Connections
The ICH9DO Southbridge chipset on the IMBA-XQ354 has the features listed below.
 Complies with PCI Express Base Specification, Revision 11
 Complies with PCI Local Bus Specification, Revision 2.3 and supports
33 MHz PCI operations
 Supports ACPI Power Management Logic
 Contains:
o Enhanced DMA controller
o Interrupt controller
o Timer functions