[Remark]check PCI-E device and speed under Linux

This article also can be used for other cards with little or without change Check if the host has HBA card installed and which type of card installed, # lspci | grep -i fibre 15:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02) 15:00.1 Fibre Channel: QLogic Corp. ISP2532-based … Continue reading “[Remark]check PCI-E device and speed under Linux”

PCI-E Summary

2018-02-07 PCI-E bus 的速度上限. PCI Express 版本 Line 編碼 原始 傳輸率[i] 頻寬(帶寬)[i] ×1 ×4 ×8 ×16 1.0 8b/10b 2.5 GT/s 250 MB/s 1 GB/s 2 GB/s 4 GB/s 2.0 8b/10b 5 GT/s 500 MB/s 2 GB/s 4 GB/s 8 GB/s 3.0 128b/130b 8 GT/s 984.6 MB/s 3.938 GB/s 7.877 GB/s 15.754 GB/s 4.0 128b/130b 16 GT/s 1.969 GB/s 7.877 GB/s 15.754 GB/s 31.508 GB/s 5.0 (expected in 2019) [4][5] 128b/130b 32 or 25 GT/s[ii] 3.9, or … Continue reading “PCI-E Summary”