Fixing wireless regulatory support (crda, wireless-regdb) on openSUSE Tumbleweed

On recent SUSE-based distributions such as openSUSE Tumbleweed (and potentially also 13.2), executing iw reg get to check your WiFi device’s regulatory setup will likely get you an output such as this: global country 00: DFS-UNSET (2402 – 2472 @ 40), (N/A, 20), (N/A) (2457 – 2482 @ 40), (N/A, 20), (N/A), NO-IR (2474 -… Continue reading Fixing wireless regulatory support (crda, wireless-regdb) on openSUSE Tumbleweed

Correcting the soundcard order with onboard sound and HDMI output

Like many current devices with HDMI output, my Latitude E7450 offers multiple sound cards but configures the HDMI output as sound card 0 (the default). And xfce’s default sound mixer doesn’t offer switching the default output… To correct the soundcard order, add this to your /etc/modprobe.d/50-sound.conf (valid for openSUSE 13.2, probably other distros as well):… Continue reading Correcting the soundcard order with onboard sound and HDMI output

Dissecting an Edimax IC-3116W IP camera

As an overview: System-on-Chip: RealTek RTL8197D Embedded CPU: RealTek RLX5281 @ 660 MHz, MIPS16 instruction set, 64KB instruction cache, 32KB data cache Embedded LAN controller: RealTek RTL8196C, two Ethernet MACs (only one used) Embedded USB controller: RealTek RTL8652, USB 2.0 External flash memory chip: Macronix MX25L6405D, 3V, 64MBit (= 8MB) External RAM chip: Nanya NT5TU32M16DG-AC,… Continue reading Dissecting an Edimax IC-3116W IP camera

Hello Intel, thanks for shutting down your mainboard business

Three weeks ago I dared to flash the BIOS of my home server’s Intel DQ77KB mainboard to address a number of smaller issues related to BIOS settings not being applied. Apart from the fact that anno 2013 Intel still requires you to create a bootable USB stick, a process still complicated enough it makes you… Continue reading Hello Intel, thanks for shutting down your mainboard business

Published
Categorized as Hardware