TSC(4)                OpenBSD Programmer's Manual (Alpha)               TSC(4)

NAME
     tsc - DECchip 21272 and 21274 Core Logic chipset

SYNOPSIS
     tsc* at mainbus?
     tsp* at tsc?
     pci* at tsp?

DESCRIPTION
     The tsc driver provides support for the DECchip 21272 (Tsunami) and 21274
     (Titan) Core Logic chipset found on most 21264-based systems.

     The tsp driver attaches to it and provides support for the DECchip 21272
     and 21274 built-in PCI controller.

     DECchip 21272 provides one PCI bus, while DECchip 21274 provides two dis-
     tinct PCI buses, the second one with AGP capabilities.

SEE ALSO
     intro(4), pci(4)

BUGS
     The AGP capabilities of the second PCI bus of DECchip 21274 are not cur-
     rently supported.

OpenBSD 4.7                     October 2, 2009                              1
