important: (PLEASE ANSWER NOW I AM TIRED OF WAITING A YEAR FOR ANSWERS ON THESE KINDS OF QUESTION, VERY WILLING TO GIVE 10 POINTS) the gateway is a very old laptop not newer solo 9100. it is a 20gb harddrive, i have put the info in the bios manually and it still says failure on fixed disk 0 or somthing like that. the harddrive works perfectly on my ibm thinkpad, the gateways original 7gb harddrive works fine. the maximum size of harddrive the gateway will take is 30gb.