PSYCHO(4) Device Drivers Manual (sparc64) PSYCHO(4)

psychoUltraSPARC Host/PCI bridge

psycho* at mainbus0
pci* at psycho?

The psycho device provides support for the pci(4) bus on sparc64 systems, most often found on UltraSPARC I and UltraSPARC II based systems.

intro(4), pci(4)

Support for the psycho first appeared in NetBSD 1.5.

November 3, 2025 NetBSD 11.0