Well, I'm posting here the results. I put "the piece" on perc SC [URL]  Nothing good, nothing bad, the same. I let it, makes me feel I've a perc3 DC (that haven't work). Now I'm using a PERC3/SC with 128Mb cache. I try, during 4 days put linux on it(Arch linux-64bit), but, while formatting, or installing, or any other time, it hangs, and nothing more else Trying again with What worked? I'd remember that with LSI 21320, bricked, linux loads the i2o module.  At this time.... "lspci" I don't know if it's backplane, or pci-32bit, but, arch linux don't installs with termination enabled.  At this time, everything working [IMAGE] a little silicon spacer, to make air cross between the HDs[IMAGE]
My perc3, recently arrived, is a SC one, and it has a "reserved hole" to a part that perc3 dc has.  The one in attached The memory module I changed by dc one, now a sc with 128mb.  It could help something? I'm thinking in performance helping.  I'll attach the file in a while
put perc3 dc parts on perc3 sc, any issue?