well try pj64 1.6 http://www.pj64-emu.com/downloads/startdown/34/
it may fix the problem.
and are u sure it says nothing in device?
wait a sec sorry, some of my information is a bit different.
device
name: NVidia Riva TNT2 Model 64
manufacturer: NVidia
Chip type: NV5
DAC Type: Integrated RAMDAC
Approx. Total Memory: 32.0 mb
current display mode: 1024 x 768 (16 bit)(60 hz)
monitor: plug and play monitor
drivers
main driver: nv4.dll
version: 5.00.2160.0327(english)
date: 12/7/1999 11:43:38
WHQL Logo'd: Yes
Mini VDD: nv4.sys
VDD: n/a
DDI Version: unknown