You knew this was coming ;-) Back in 1993 I had SLS Linux running on a 386SX with 4MB of RAM. And that included X11 and gcc so I could compile my own kernels!
(almost) same here. Had the DX though and quickly upgraded to 8MiB (by adding 36 RAM chips in DIP). Still when compiling the kernel (took about 20m, iirc), I left X11. Swapping wasn't that much fun using a single 65MB RLL(!) drive.