Flash 74850C Lite-on to stock, what fw?

[lei]

Hi!

Going to flash to stock, but in the FW pack there are 4 orgi 74580C firms,
1a000,1b000,1c000,1e000, witch of them should i use?

My drive is HW: A0A1 and from nov 2008

 

[ReMix]

honestly it doesn't matter

 

[rtzzz]

What is the difference with these original firmware versions???

 

[ReMix]

key locations