AMD Confidential

User Manual

November 21st, 2008

7.12 PCI BUS Device

The PCI Bus device enables you to add PCI devices to the system. You can configure the PCI Bus device to provide any number of PCI slots for one to six connections. You configure each PCI slot on the PCI Bus by setting its device number and base IRQ- routing pin.

Interfaces

The PCI Bus device has two types of interfaces, a bus interface and one or more slot interfaces. The bus interface connects to a device that provides a PCI bus, such as a Northbridge. Each PCI-slot interface is capable of connecting to a PCI device, such as a PCI video controller.

The PCI bus behaves somewhat differently than other AMD SimNow devices. First, the connection points are not all centered in the middle of the icon; instead each connection point has a discrete location around the perimeter of the icon to provide a visual indication that each PCI device is connected to a different PCI slot. Second, the connection points are exclusive; that is, only one device can connect to each connection point on the PCI bus, because in a real system one cannot install two PCI cards into a single PCI slot. It is planned that these new behaviors will be used in other devices when required.

Initialization and Reset State

The default state of the device has all slots disabled. This is because each platform configures its PCI Buses in specific ways that make it impossible to provide a generic default.

Since the PCI Bus device does not include any state that is altered during the course of a simulation, after a reset, the PCI Bus device remains unchanged

Contents of a BSD

The configuration of the PCI bus, including which slots are enabled, the device ID for each slot and the base IRQ-routing pin for each slot, and the connection points, are saved in the BSD.

Configuration Options

Figure 7-25shows the PCI-Bus configuration options.

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Chapter 7: Device Configuration

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Image 108
AMD 4.4.5 user manual PCI BUS Device, 25shows the PCI-Bus configuration options

4.4.5 specifications

AMD 4.4.5 is a robust version of the AMD software ecosystem that focuses on enhanced performance, stability, and efficiency for users relying on AMD processors and graphics cards. This iteration brings various features and technologies designed to optimize gaming, professional applications, and general computing tasks.

One of the standout enhancements in AMD 4.4.5 is the integration of Smart Access Memory technology, which allows the CPU to access the full graphics memory directly. This feature enhances data flow between the CPU and GPU, leading to improved frame rates and overall performance, especially in memory-intensive games. Users can experience a marked increase in gaming performance without the need for additional hardware upgrades.

Another significant feature introduced is the updated Radeon Software Adrenalin Edition. This software update encompasses optimizations for various games, ensuring that gamers can enjoy a seamless experience with the latest titles. The Adrenalin interface also provides features such as Radeon Chill, which helps reduce power consumption during less demanding scenes, and Radeon Anti-Lag, designed to minimize input lag and enhance responsiveness in competitive gaming.

Additionally, AMD 4.4.5 brings the latest drivers that include important performance enhancements and bug fixes that allow for greater system stability. Regular updates ensure that users have the best experience with their AMD hardware, and it significantly bolsters compatibility with the latest gaming titles and software applications.

AMD's Enhanced Sync technology offers users the ability to eliminate screen tearing and stuttering while delivering smooth gameplay. It dynamically synchronizes the refresh rate of the display with the frame rates produced by the GPU, improving the visual experience significantly.

With the introduction of FidelityFX Super Resolution, AMD continues to bolster its suite of technologies that enhance graphics quality and performance. This feature allows lower-resolution images to be upscaled effectively, making it easier for users to enjoy high-end visuals without taxing their hardware excessively.

In summary, AMD 4.4.5 represents a comprehensive update for users by integrating cutting-edge technologies that cater to a wide range of applications from gaming to content creation. With enhancements across the board, AMD reaffirms its commitment to providing high-performance solutions that keep pace with the ever-evolving technology landscape. Whether for gaming aficionados or professional creators, the capabilities offered in this version make it a significant milestone in the AMD software ecosystem.