Is 1gb ddr2 ram supported in p4m800p asus motherboard

If this is your board: http://images.search.yahoo.com/images/view?back=http%3A%2F%2Fsearch.yahoo.com%2Fsearch%3Fei%3DUTF-8%26p%3Dasus%2Bp4m800p&w=150&h=160&imgurl=www.bing.com%2Fimages%2Fsearch%3Fq%3Dasus%2Bp4m800p%23focal%3Dc5cf11fb628af545a3ff9fe17da43f3a%26furl%3Dhttp%253a%252f%252fwww.generalmanual.com%252fimg%252f0812%252f0101332QF62.jpg&size=&name=search&rcurl=http%3A%2F%2Fwww.bing.com%2Fimages%2Fsearch%3Fq%3Dasus%2Bp4m800p%23focal%3Dc5cf11fb628af545a3ff9fe17da43f3a%26furl%3Dhttp%253a%252f%252fwww.generalmanual.com%252fimg%252f0812%252f0101332QF62.jpg&rurl=http%3A%2F%2Fwww.bing.com%2Fimages%2Fsearch%3Fq%3Dasus%2Bp4m800p%23focal%3Dc5cf11fb628af545a3ff9fe17da43f3a%26furl%3Dhttp%253a%252f%252fwww.generalmanual.com%252fimg%252f0812%252f0101332QF62.jpg&p=asus+p4m800p&type=&no=2&tt=115&oid=http%3A%2F%2Fts1.mm.bing.net%2Fimages%2Fthumbnail.aspx%3Fq%3D1504693524974%26id%3D9f681780427906afd9fe84d7bbf5954c&tit=Asus+P5VDC-MX+VIA+P4M800+Pro+Motherboard+User+Manual&sigr=14uusq26i&sigi=14ncu1pef&sigb=11m6vu4v1&fr=att-portal, then it has 2 ddr and 2 ddr2 slots; you have to select which type of ram to use; can't use both at once.

If this is your board chipset: http://www.newegg.com/Product/Product.aspx?Item=N82E16813138171, then it will use ddr2. Use cpuz to confirm your ram type.