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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for March, 2017

Acer Aspire M3900 (AM3900-xxx) Memory

Posted by jpluimers on 2017/03/31

Reminder to self: see if I have memory for a friends Acer Aspire M3900 system:

  • Maximum Memory 8GB
  • Memory Slots 4 (4 banks of 1)
  • non-removable base memory 0MB
  • CPU options: Intel Pentium Processor
  • Chipset: Intel G43 Chipset
  • HD Bus: SATA 3.5 inch
  • Memory Speed options: PC3-10666 DDR3-1333 240pin SDRAM
  • DIMMSpecial notes:
    • Mfgr’s System p/n’s:;;
    • Modules must be ordered and installed in pairs for Dual Channel mode.
    • Maximum configurations require a 64-bit operating system.

via: [WayBackAcer Aspire M3900 (AM3900-xxx) Memory

this should get me a rough idea on pricing: [WayBackGeheugen intern – Producten vergelijken – Tweakers – DDR3 1.333 Ghz 2Gb modules

It has an NVidia GForce 315 based video card, so it should be able to drive 1920×1080 just fine despite being from 2010. Note to self: drivers will not be updated; latest are from december 2016

That combined video combined with a E5700 Pentium Dual-Core processor should make it excellent for home work and card gaming:

The drive isn’t very fast, but is good enough for now: [WayBackWestern Digital WD Green WD10EARS 1TB 5400 RPM 64MB Cache SATA 3.0Gb/s 3.5″ Internal Hard Drive Bare Drive –


Posted in Power User | Leave a Comment »

Mac OS X: restarting Tunnelblick when it isn’t responding any more

Posted by jpluimers on 2017/03/31

In addition to my post about Mac OS X: restarting Google Drive when it shows a spinning wheel, restarting a hanging Tunnelblick is even easier:

killall Tunnelblick
open -a Tunnelblick


Posted in Apple, bash, Development, iMac, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, OS X 10.10 Yosemite, OS X 10.11 El Capitan, OS X 10.9 Mavericks, Power User, Scripting, Software Development | Leave a Comment »

Interesting how many fast charging stations there are near me…

Posted by jpluimers on 2017/03/31

Via falconhunter “Voor langere ritten is een electrische auto wel degelijk een probleem want ‘t aantal oplaadpunten in de EU is een lachertje.Ik rij met mijn Tesla regelmatig van Amsterdam naar Berlijn. Lukt allemaal best hoor. en ik denk dat jij geen ervaring hebt en niet weet hoeveel laadmogelijkheden er zijn. Op de route naar Berlijn staan er 31 in mijn navigation system. Niet allemaal snelladers maar op dit moment meer dan genoeg. Daarnaast, openbare snellaadstations gebruik je alleen als je inderdaad een keer ver weg moet, 95% van de mensen laadt gewoon thuis.”

I’ve added zoom level (z) and centre (ll) parameters to make the map easier viewable:



Read the rest of this entry »

Posted in LifeHacker, Power User | Leave a Comment »

Powering Raspberry Pi devices from a Fritz!Box USB connection

Posted by jpluimers on 2017/03/30

I tried to power both Raspberry B+ and Raspberry 2 B devices via the USB ports of both a Fritz!Box 7490 and Fritz!Box 7360.

At first this works, but the Raspberry B+ devices over time would become unstable: not being able to ping and/or boot.

So below are some links on power requirements and powering Raspberry Pi A, B, A+, B+, 2B and zero.

Fazit/TL;DR: use an external power supply when available.

Read the rest of this entry »

Posted in *nix, Development, Fritz!, Fritz!Box, Hardware Development, Internet, Linux, openSuSE, Power User, Raspberry Pi, SuSE Linux | Leave a Comment »

Mac OS X – serial communication programs

Posted by jpluimers on 2017/03/30

Some links that helped me getting FTDI USB serial communication to Raspberry Pi systems going:


Posted in Apple, Communications Development, Development, Hardware Development, Hardware Interfacing, iMac, Legacy Ports: COM, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, OS X 10.10 Yosemite, OS X 10.9 Mavericks, Power User, Raspberry Pi, USB | Leave a Comment »

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