Capabilities and system requirements
 v.1.5 |
 v.3.3 |
 v.3.3 |
|
Earliest compatible processor |
80386 |
80386 |
80486 |
Hypothetical maximum processor frequency |
>1THz (1,000,000MHz) |
>1THz |
>1THz |
Number of DOS slowdown methods |
2 |
3 in real-mode DOS |
2 |
Number of Win32 slowdown methods |
0 |
0 |
3 |
Operating systems |
MS-DOS 3 and later Windows 95/98/ME Windows NT/2000/XP/Vista* |
MS-DOS 5 and later Windows 95/98/ME Windows NT/2000/XP/Vista* |
Windows 95/98/ME Windows NT/2000/XP/Vista |
Parameters to specify virtual system speed |
%-of-normal |
%-of-normal processor emulation |
%-of-normal system-independent system-specific |
Minimum increment for %-of-normal speed |
0.01% |
0.01% |
0.01% |
Slows MS-DOS program files |
yes |
yes |
yes |
Option to install as TSR (Terminate but Stay Resident) program |
no |
yes |
no |
Overcomes serial port errors in Motorola RSS |
no |
yes (search 'motorola' in FEEDBACK) |
no |
Overcomes Turbo Pascal runtime divide errors 200 and R6003 |
yes, in DOS and Windows 9x/ME |
yes, in DOS and Windows 9x/ME |
yes, in all 32-bit Windows |
Can disable CPU primary cache |
no |
yes, in real-mode DOS |
no |
Passes command parameters to slowed program |
no |
yes |
yes |
Slows batch files directly |
no |
yes |
yes |
Slows Windows-native program files |
no |
no |
yes |
Keyboard adjust virtual speed |
no |
yes |
yes (DOS methods) |
Keyboard on/off toggling of slowdown |
n/a |
yes |
yes |
QuickLoad option to load normal speed, start slowdown with keystrokes |
no |
yes |
yes |
Parameter to delay onset of slowdown |
no |
yes |
yes |
Parameter to limit duration of slowdown |
no |
yes |
yes |
Parameter to open slowed command prompt |
no |
yes |
yes |
Windows interface for parameter testing and creation of shortcuts |
no |
no |
yes |
Can limit maximum processor usage in NT-based Windows |
no |
no |
yes |
Can restrict slowdown and slowed threads to specific logical processor in multi-processor and hyperthreaded systems |
no |
no |
yes |
* Mo'Slo Deluxe and basic do not reliably overcome load-time divide errors in Windows NT/2000/XP/Vista.
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