TSC(4) - Device Drivers Manual (alpha) #
TSC(4) - Device Drivers Manual (alpha)
NAME #
tsc, tsp - DECchip 21272 and 21274 Core Logic chipset
SYNOPSIS #
tsc* at mainbus? tsciic* at tsc? tsp* at tsc? pci* at tsp?
DESCRIPTION #
The tsc driver provides support for the DECchip 21272 (Tsunami) and 21274 (Titan) Core Logic chipsets 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 distinct PCI buses, the second one with AGP capabilities.
SEE ALSO #
BUGS #
The AGP capabilities of the second PCI bus of DECchip 21274 are not currently supported.
OpenBSD 7.5 - November 21, 2015