Items tagged with PCI-SIG

PCI-SIG, the consortium that is in charge of developing and maintaining the PCI Express standard, announced a couple of developments this week. One is the official launch of the PCIe 4.0 specification that will take the baton from PCIe 3.0, and the other is early work on the standards eventual replacement, PCIe 5.0. Starting with the former, PCIe 4.0 supports 16 gigatransfers per second (GT/s). With 16Gb/s of link bandwidth, PCIe 4.0 offers peak bandwidth of 64GB/s per 16-lane slot, effectively doubling the bandwidth of PCIe 3.0 while also maintaining backwards compatibility. In addition, the updated... Read more...
PCI-SIG, the organization in charge of maintaining and developing PCI-Express, has announced that the third version of the PCIe standard is finished and ready for implementation. The new standard is fully compatible with earlier PCIe cards; a Gen 1 or Gen 2 card will run perfectly in a PCIe 3.0 slot. Just as PCIe Gen 2 offered double the performance of Gen 1, Gen 3 again offers twice the performance of Gen 2 (8GT/s). Unlike Gen 2, however, Gen 3 incorporates a number of additional changes to improve its efficiency. PCIe 1.1 and 2.0 both use an 8b/10b encoding scheme. This means that 8-bit words... Read more...