DEC 21050 PCI to PCI bridge

Windows device driver information for DEC 21050 PCI to PCI bridge

The DEC 21050 PCI to PCI bridge is a high performance and affordable PCI bridge that is able to expand the electrical capacity of PCI (peripheral component interface) systems such as Pentium, x86 and Alpha. With the aid of its device driver, this PCI bridge is capable of allowing motherboard designers to affix more PCI option card slots or devices than one PCI bus can accommodate. The DEC 21050 PCI to PCI bridge can be utilized by designers for implementing several-device PCI option cards. It is likewise capable of isolating traffic of devices on a single PCI bus from devices supported by other PCI buses. This capability is a great benefit to the system’s performance such as in multimedia applications. This device comes with the 21A50-10 device which is a development and evaluation board. This can be used by designers for developing software to be used for the DEC 21050 PCI to PCI bridge and for further evaluation of its functionalities.

This PCI bridge is able to employ Revision 2.0 drivers that are compliant with PCI, function at a 33 MHz maximum frequency and provide synchronized secondary and primary bus operation. It likewise has support for 2 32 bit PCI buses. The DEC 21050 PCI to PCI bridge is able to provisionally forward transactions such as all memory and I/O write and read transactions in either direction. In addition, it can also accommodate configuration write and read transactions in downstream direction, and configuration write transactions to particular cycles also in either direction. This PCI bridge can also provide filtering of memory transactions via 2 memory address regions that are programmable; one non-prefetchable and one prefetchable. It can provide filtering of I/O transactions via a single memory I/O address region that is also programmable. It is highly recommended you run a free registry scan for and DEC 21050 PCI to PCI bridge errors before installing any driver updates.