X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/e3860a886450b8cd49e60f794f58ead90360c54d..b609ecf862865a0f7f787be7573331583fdf3dc1:/docs/README_en.md

diff --git a/docs/README_en.md b/docs/README_en.md
index 7414ee5..73ca4e9 100644
--- a/docs/README_en.md
+++ b/docs/README_en.md
@@ -28,7 +28,8 @@ The following list presents all features it does have in current stage.
 + 17 commonly used POSIX syscall（[See Appendix 1](#appendix1)）
 + User Space
 + Signal
-+ PCI 3.0 (WIP)
++ PCI 3.0
++ PCIe 1.1 (WIP)
 
 ## Project Structure
 
@@ -57,6 +58,10 @@ The following list also enumerated such materials the author has used:
 + MC146818A (Datasheet)
 + Intel 500 Series Chipset Family Platform Controller Hub (Datasheet - Volume 2)
 + PCI Local Bus Specification, Revision 3.0
++ PCI Express Base Specification, Revision 1.1
++ PCI Firmware Specification, Revision 3.0
+
+**DISCLAIMER: All rights of PCI-related specification is reserved by PCI-SIG. It is provided ONLY for learning purpose. Any commercial use should purchase a copy from PCI-SIG**
 
 #### Textbook
 + *Computer System - A Programmer's Perspective Third Edition* (Bryant, R & O'Hallaron, D), a.k.a. CS:APP