Tag: dell

For Dell Laptop DC Power Charge Converter Adapter Cable Cord 7.4*5.0 to 4.5*3.0 mm Female (WHL #102)

Here’s something not to burn your house down with: DC power supply adapters.

My lighbox currently draws power from the 3D printer power supply, which does work, but has its limitations. Sure, I do have to move down the gantry to take photos in the first place, so the printer will be on anyways, but I am not able to run it during prints (time lapse?) due to power constraints. The build plate heater is 400W and only gets pulsed on-off (so no linear “oh 200W will do at the moment” regulation), and the power supply is a 500W unit from MeanWell. […]

8th September 2024 8th September 2024 By Bzzz In No Comment

Random thoughts on Supermicro Risers, LSI LBAs, power supplies, ZFS and other fun server things (#P34)

With the failed 450W SFX power supply separated into a regular post last week, now’s the time to waffle on about what happened besides that.

Well, Solaris 11.4 (evil developer/home use licensing, so no current service packs) still uses minimal ashift as default instead of a fixed value of 12. ashift is the exponent of the power of 2 that is used as smallest assignable portion of data, so basically sector size. “Old” default is 9, as 2^9 is the well known 512 byte sector size that most old hard disks had as both logical and physical size, and which they reported as such. […]

14th March 2021 15th March 2021 By Bzzz In No Comment