error 28 while booting help

[shekharmalhotra 0]

hi,

i have a amd 2000 + xp machine with asus a7n266vm m/b and 128 mb ram . i had windows me on my system and i installed redhat linux on my system to make it dual bootable but when i booted it it gave me message the the program cannot fit in memory errorr 28 and it goes back to dual boot windows my machine works fine in mindows me. Also i am a layman with very little knowledge of software though i can install them like windows, msoffice , pagemaker etc so please help me.