Hello. I use IXP1200 EB attached(on PCI slot) to Pentium PC. How can I signal Pentium PC to MICROENGINE in IXP EB? I searched VERA code to find the method. But I failed until now. Is there a good method? Like using some register or using interrupt? I think "polling" method now. Namely, writing to SDRAM or SRAM region and check that region continually. But I think that interrupt is more polished method. ^^ Anyway plz give me answer. Peformance is most important for my application. Thanks