nec 3540 vs nec 3540a?

[leeroy]

i just ran discinfo and i have nec 3540a . i wondered what is the differences?

also i have firmware 1.01 . and im tempted to flash to 1.03 but i currently havent had any problems with my drive so im wondering what are the improvementS?

note i am not looking for modded firmwares, just oem firmwares

 

[leeroy]

no wait, i rember mine came in a box with warranty card , i think mine is retail box :S