That motherboard cannot handle a 1 Ghz CPU or 1 GB of RAM..
You can install a maximum of 512 MB's of PC100 SD-RAM. You'll have to buy 2 sticks of 256.
Newegg has 256 MB modules for $18.99 each.http://www.newegg.com/Product/Product.aspx?Item=N82E16820146079&cm_re=pc-100-_-20-146-079-_-Product
The maximum speed processor it can handle seems to be just 500 Mhz.
Pentium III 500 Mhz - $12.67http://www.buy.com/retail/product.asp?sku=203028571&listingid=43766198