Dell dimension 1100 specs motherboard 2 memory slots not using more than 256 meg Tags: Chipsets Dell Dimension Motherboards Memory Last response: November 5, 2011 8:06 PM in Motherboards Share dean jepsen November 5, 2011 4:18:18 AM Hello, I have a dell dimension 1100. the computer has 2 memory slots. each slot had a 256m in it. bios said that it had 512m installed but windows(xp) states that only 256 meg installed. More about : dell dimension 1100 specs motherboard memory slots 256 meg Ubrales a c 95 V Motherboard a b } Memory November 5, 2011 8:06:34 PM Welcome to Tom's Hardware Forums! Try each memory slot; one at a time. This will ensure that both modules are good (or bad). m 0 l Can't find your answer ? Ask ! Publish Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !