Cpu Frequency Ratio (Swa4, Swa5, Swa6) - Aaeon MB-562 Manual

SWA1, SWA2 and SWA3 are used to sychronize the system clock
with the CPU type. You may need to adjust the CPU clock according
to the base CPU speed.
System clock select (SWA1, SWA2, SWA3)
SWA1
SWA2
SWA3
* Default

CPU frequency ratio (SWA4, SWA5, SWA6)

System frequency
1.5x
SWA4 OFF
SWA5 OFF
SWA6 OFF
* Default
16 MB-562 User's Manual
50MHz 55MHz
ON ON
ON ON
ON OFF
2x 2.5x
OFF OFF
OFF ON
ON ON
60MHz
OFF
ON
ON
3x* 3.5x 4x
OFF OFF ON
ON OFF OFF
OFF OFF ON
66MHz* 75MHz
ON OFF
OFF ON
ON OFF
4.5x 5.0x 5.5x
ON ON ON
ON ON OFF
ON OFF OFF