[3] Initially a central defender, Norsillmy was a relative newcomer to the Brunei squad that was competing in the Malaysian M-League in 1999, coached by Englishman David Booth.

[4] Although they finished seventh in Premier One, they began a hot streak in the subsequent Malaysia Cup campaign which concluded with winning the silverware, Brunei's first in 20 years of participation.

[6] Due to the restriction of import players in the following season, then coach Mick Jones started to place Norsillmy in attack, complimenting the diminutive Riwandi Wahit in a little-and-large combination.

[22] In May 1994, Norsillmy travelled to Kuala Lumpur with the Brunei under-19s for the 1994 AFC Youth Championship qualifying group matches and managed to score against Singapore.

[23] Norsillmy made his international debut for the Brunei national team on 2 August 1999 against Cambodia in a 3-3 draw at the 20th SEA Games hosted by his home country.