The difference is very much physical, and 64-bit 33 MHz and 66 MHz PCI slots are not new. They are, however, not usually found in consumer boards, which is probably why you're not familiar with them, ...

There are two flavors of 64-bit slots: 33 MHz and 66 MHz. Most of your average everyday 32-bit cards will work fine in a 33 MHz 64-bit slot. They won't work in a 64-bit 66 MHz slot, though. The 66 MHz ...

Specifications for two new interconnect technologies were released yesterday by the Peripheral Component Interconnect-Special Interest Group (PCI-SIG), the group said in a press release (download PDF) ...

It’s probably been a while since you’ve dealt with your computer’s motherboard. You don’t have to, as long as you simply sit at your PC or notebook and carry out everyday tasks. However, if you want ...

The early days of home computing were quite a jungle of different standards and convoluted solutions to make one piece of hardware work on as many different platforms as possible. IBM’s PC was an ...

For a while around a quarter century ago PC motherboards came with a special slot, a little shorter than the PCI slots which ruled the roost back then, and offset from them further into the case. This ...