IEI Integration IMB-Q354 v1.00 - Manual (Page 41)

IMB-Q354 uATX Motherboard
Page 19
Some of the capabilities of the Intel® Q35 analog CRT port are listed below:
400 MHz Integrated 24-bit RAMDAC
Up to 2048x1536 @ 75 Hz refresh
Hardware Color Cursor Support
DDC2B Compliant Interface
2.4.7 Intel® Q35 Direct Media Interface (DMI)
The Direct Media Interface (DMI) is the communication bus between the Intel® Q35
GMCH and the ICH9DO I/O controller hub (ICH). The DMI is a high-speed interface that
integrates advanced priority-based servicing and allows for concurrent traffic and true
isochronous transfer capabilities. The DMI is shown in Figure 2-7.
Figure 2-7: DMI Chip-to-Chip Connection
Some of the features of the DMI include:
2.0 GBps point-to-point DMI to ICH9DO (1.0 GBps in each direction)
100 MHz reference clock (shared with PCI Express* Graphics Attach)
32-bit downstream addressing
APIC and MSI interrupt messaging support
Message Signaled Interrupt (MSI) messages
SMI, SCI and SERR error indication