cv3dpb —
Phase5 CyberVision 64/3D PCI bridge driver
cv3dpb* at zbus0
pci* at cv3dpb?
The cv3dpb driver provides support for the PCI bus
  present on CyberVision 64/3D graphics card. It allows using the S3 ViRGE
  present on this card as a usual PCI device.
The cv3dpb driver supports the following hardware:
  - Phase5 CyberVision 64/3D graphics card
-  
- DCE Computer CyberVision 64/3D Mk-II graphics card
-  
 
The cv3dpb device first appeared in
  NetBSD 6.0.
Machine-independent driver for the S3 ViRGE does not exist yet.