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RE: PLX 9080 in 3.3V signaling environment



˙ū<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=unicode" http-equiv=Content-Type> <META content="MSHTML 5.00.2314.1000" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2>Some days ago a PLX person responded the following thing to me to a similar question:<BR></FONT></DIV> <DIV> <DIV><FONT color=#0000ff size=2><SPAN class=217470908-05102001>The VI/O line is only used to signal the voltage being used on the PCI bus it has no effect on the local bus operation.</SPAN></FONT></DIV> <DIV><FONT color=#0000ff><SPAN class=217470908-05102001></SPAN></FONT><FONT size=2>&nbsp;</FONT></DIV> <DIV><FONT color=#0000ff size=2><SPAN class=217470908-05102001>The 9030 is fully 5V tolerant on the local bus regardless as to whether the PCI bus is 3.3 or 5V. Just remember to ensure that the Vdd's for the 9030 are always connected to 3.3V.</SPAN></FONT></DIV> <DIV>&nbsp;</DIV> <DIV><FONT size=2><SPAN class=217470908-05102001>I hope that the above helps.</SPAN></FONT></DIV> <DIV><FONT size=2></FONT>&nbsp;</DIV></DIV> <DIV>&nbsp;</DIV> <DIV><FONT size=2>Iņigo Alvarez Ximenez de Embun<BR>e-mail: <A href="mailto:patxipatxi@jazzfree.com">patxipatxi@jazzfree.com</A></FONT></DIV></BODY></HTML>