AMD HYPERTRANSPORT 8151 - Manual (Page 12)

12 Product Errata
25912 Rev. 3.06 March 2006 AMD-8151™ HyperTransport™ AGP3.0 Graphics Tunnel
Revision Guide
26 DevB:0x00[DevID] Is Read Only
Description
The four LSBs of DevB:0x00[DevID] should be "write once". However, they are "read only" instead.
Potential Effect on System
A generic graphics driver may be loaded even if the platform does not support the generic driver.
Suggested Workaround
None required.
Fix Planned
Yes