Windows regional setting: Thai non-ShiftLock keyboard

Microsoft does not describe formally what does it mean. Closest-useful one from Internet searching is "Thai Kedmanee (non-ShiftLock) Keyboard Layout".

This table compares results when we (1) hold on [Shift] key and (2) toggle [CapsLock] key.

Layout	Normal	Shift key is held	CapsLock is on
English (US)	asdf 1234	ASDF !@#$	ASDF 1234
Thai Kedmanee	ฟหกด ๅ/-ภ	ฤฆฏโ +๑๒๓	ฤฆฏโ +๑๒๓
Thai Kedmanee (non-ShiftLock)	ฟหกด ๅ/-ภ	ฤฆฏโ +๑๒๓	ฟหกด ๅ/-ภ

Red colouring denotes outputs different from physical/mechanical typewriter.

Conclusion

1. Computer keyboard programmes CapsLock key slightly different from physical/mechanical typewriter. Another words, computer keyboard means caps-lock whereas typewriter means shift-lock.
   
2. For Thai keyboard layout, non-ShiftLock disables CapsLock key.

For more about Thai keyboards, see "The Keyboard Layouts and Input Method of the Thai Language" (1993).