April 26, 2018

Linux Kernel 4.x support for Perle Serial & Parallel Cards

Serial Card and Parallel Card driver supports Linux Kernel 4.x

NASHVILLE, TN — April 26th, 2018 — Perle Systems, a global manufacturer of advanced serial connectivity hardware has announced Linux Kernel 4.x support for its SPEED and UltraPort Serial Cards and SPEED Parallel Cards.

Perle is committed to offering drivers for the broadest range of operating systems on the market, comments John Feeney, COO at Perle Systems. Linux is very popular, and as our customers upgrade, we will ensure our products will continue to operate as expected.

Serial Card

Perle's Serial and Parallel Cards are compatible with PCI, PCI-X and PCI Express bus slots and enable users to easily add RS232, RS422, RS485 serial or parallel ports to a PC or server. Perle is the only PCI Serial Card vendor to support all major operating systems including Windows, Vista, Linux, Solaris, SPARC as well as SCO.

Learn more about Perle Systems’ Serial Cards.
Learn about Perle Systems’ Parallel Cards.
Download Perle Drivers.

Linux Kernel 4.0 Summary: This release adds support for live patching the kernel code, aimed primarily at fixing security updates without rebooting; DAX, a way to avoid using the kernel cache when filesystems run on systems with persistent memory storage; kasan, a dynamic memory error detector that allows to find use-after-free and out-of-bounds bugs; lazytime, an alternative to relatime, which causes access, modified and changed time updates to only be made in the cache and written to the disk opportunistically; allow overlayfs to have multiple lower layers, support of Parallel NFS server architecture; and dm-crypt CPU scalability improvements. There are also new drivers and many other small improvements.



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