Epox 87ka seems a little sluggish (non oced), what should i do to the Bios and Os (Win98SE)

[HamHam]

it is a
1.4 Amd
256 megs of Crucial 2100
5400 rpm HD
TnT2 Vanta ( gonna get a geforce 2 pro)

i got all the via/amd mobo drivers.

what should i do to the Bios and win 98 Se to help speed?