RAM problem

I bought 2 256M 133SDRAM. Either of them works fine on my machine alone. But when I put them together, my machine always report memory check error. Neither can they work with other RAMs. Can some one tell me what's wrong?

所有跟帖： 

• Not Compatible -Expro- ♂ (82 bytes) () 03/04/2005 postreply 08:03:14

• Always use the same -BBBKKKSSS- ♀ (69 bytes) () 03/04/2005 postreply 12:24:10

• Not necessary if spec is same -beHappyLOL- ♀ (0 bytes) () 03/04/2005 postreply 12:51:53