INT 2F U - Microsoft Profiler (PROF.COM/VPROD.386) - SETUP PROFILER
AX = 4501h
BX = CSIPS buffer size in KB (first parameter for ProfSetup)
CX = output limit in KB (second parameter for ProfSetup)
Note:   this call is not supported by PROF.COM
SeeAlso: AX=4503h

See also: 2F4502

2F4501 - Microsoft Profiler (PROF.COM/VPROD.386) - SETUP PROFILER