ASR-A501 PCIE M.2 E Key
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Revision as of 07:10, 5 June 2025 by Xingxing.li (talk | contribs)
HW Pin define:
SW Function:
ASR-A501 supports two PCIE ports. Using the PCIE disk (SQF-C8BV2-128GEDE)to test the M.2_B-KEY PCIE interface.
Using the WIFI module (EWM-W179M201E)Wi-Fi functionality to test the M.2_E-KEY PCIE interface.
1、SQF-C8BV2-128GEDE——Bom Option
List disk information
# fdisk -l /dev/nvme0n1 Disk /dev/nvme0n1: 119.24 GiB, 128035676160 bytes, 250069680 sectors Disk model: SQF-C8BV2-128GEDE Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x217a69bc Device Boot Start End Sectors Size Id Type /dev/nvme0n1p1 2048 250069679 250067632 119.2G 83 Linux
Check mount point
# mount | grep nvme /dev/nvme0n1p1 on /run/media/nvme0n1p1 type ext4 (rw,relatime)
Speed Test
– Read Speed
# echo 3 > /proc/sys/vm/drop_caches # dd if=/dev/nvme0n1 of=/dev/zero bs=1M count=400 400+0 records in 400+0 records out 419430400 bytes (419 MB, 400 MiB) copied, 0.728982 s, 575 MB/s
– Write Speed
# echo 3 > /proc/sys/vm/drop_caches # dd if=/dev/zero of=/dev/nvme0n1 bs=1M count=400 400+0 records in 400+0 records out 419430400 bytes (419 MB, 400 MiB) copied, 0.915896 s, 458 MB/s
2、EWM-W179M201E
WIFI/BT

