Dude, Where's My 4 Gigabytes of RAM?

bah, Eugene, here’s a real system:

root@/proc# cat cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 6
model name : Intel Celeron (“GenuineIntel” 686-class, 128KB L2 cache)
stepping : 5
cpu MHz : 501
fdiv_bug : no
fpu : yes
fpu_exception: : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr

root@/proc# cat meminfo
total: used: free: shared: buffers: cached:
Mem: 257118208 62099456 195018752 0 0 0
Swap: 511995904 0 511995904
MemTotal: 251092 kB
MemFree: 190448 kB
MemShared: 0 kB
Buffers: 0 kB
Cached: 0 kB
SwapTotal: 499996 kB
SwapFree: 499996 kB
cat: meminfo: Invalid argument