miles:adam~$ ./mwbug
testing bug ... no Pentium MMX 'missed write' bug in this CPU.
miles:adam~$ cat /proc/cpuinfo
processor : 0
cpu : 586
model : Pentium MMX
vendor_id : GenuineIntel
stepping : 3
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : yes
fpu : yes
fpu_exception : yes
cpuid : yes
wp : yes
flags : fpu vme de pse tsc msr mce cx8 mmx
bogomips : 400.59
It's a 200MHz CPU.
Let me know if I can be of further assistance.