viii Intel 8255x 10/100 Mbps Ethernet Controller Family Open Source Software Developer Manual
Contents
Revision History
Date Revision Description
January 2006 1.3
• Added Section 2.2.3.2., “82551ER Features.”
• Modified the title of Appendix B.
September 2005 1.2 • Corrected minor typing errors.
September 2004 1.1
• Added Section 16, ”SCB General Pointer for the RU
Command,” which was not included previously in Section
6.3.2.3, ”SCB General Pointer.”
• Corrected Section 15, ”SCB General Pointer for the CU
Command,” in Section 6.3.2.3, ”SCB General Pointer.”
• Included descriptions for the Reset bit, Auto-Negotiation
Enable bit and Test Collision Enable bit in Section 7.2.1,
”Control Register: Register 0.”
• Included a summary paragraph before the table of bits in
Section 7.2.2, ”Status Register: Register 1.”
January 2003 1.0 Initial release.