Standard: EADGBE or you can drop a half step: Eb Ab Db 
Gb Bb Eb

E:|-0---0---0---0-7-5-------------------------------
B:|-0---0---0---0-7-5-------------------------------
G:|-0---0---0---0-7-5-------------------------------
D:|---7---5---7-------------------------------------
A:|-------------------------------------------------
E:|-------------------------------------------------


Note: The open 1st,2nd,3rd strings are raked, which 
means you upstroke them and then
quickly mute it. This technique is difficult and 
requires much practice. Stevie repeats
those notes at least 15 times then goes to this....

E:|-0---0---0---0-7-5--0---0---0---0-12-10-0---0--0--0-12-10--------
B:|-0---0---0---0-7-5--0---0---0---0-12-10-0---0--0--0-12-10--------
G:|-0---0---0---0-7-5--0---0---0---0-12-10-0---0--0--0-12-10-----------
D:|---7---5---7----------7---5---7----------12--10-12-------------
A:|--------------------------------------------------------------
E:|-------------------------------------------------------------


He then plays the Jimi Hendrix chord: Em7#9....

E:|---------------------------------------------------------------
B:|-8---8-8-8---8---8-8-8---------------------------------------
G:|-7---7-7-7---7---7-7-7-------------------------------------
D:|-6---6-6-6---6---6-6-6------------------------------------------
A:|-7---7-7-7---7---7-7-7---------------------------------------
E:|-------------------------------------------------------


Repeat First 2 Verses... I have 2 DVDs of SRV, called 
Live at Montreax (Montreal), I'm
99.99% positive this is right. Make your own 
variations, but I learned this from my
guitar teacher who specializes in SRV, and some videos 
on Youtube. Thanks for reading,
Ïood Luck! RIP Stevie Ray