Virtualization of the ISA bus on PCI with the existence of a PCI

Details Virtualization of the ISA bus on PCI with the existence of a PCI Virtualization of the ISA bus on PCI with the existence of a PCI

1996-12-03

1998-11-03

Ray, Gopal C.

Multiplex communications

Wide area network

Packet switching

395308, 395280, 395500, 370402, G06F 1300, G06F 1310

Patent

active

058322469

ABSTRACT:
The PCI bus cannot support devices such as a direct memory access controller. By providing virtualization hardware, a computer system can be fooled into believing that the device actually exists on the PCI bus. Thus, access signals sent to an incompatible device, for example a channel on a direct memory access controller, which does not exist on the PCI bus can be processed and returned by the virtualizing hardware as if the PCI bus supports the channel.

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