I upgraded my TS140 with new motherboard (B250), CPU (i7-7700K), power supply, and cooler. Here are some notes:

1. Standard MicroATX MB can be installed perfectly.

2. To conveniently connect SATA cables, it’s better to choose a MB with upward (instead of sideward) SATA connectors.

3. To connect the power front panel on TS140, refer to:
(1) the pins for TS140: https://forums.lenovo.com/t5/ThinkCentre-A-E-M-S-Series/ThinkCentre-front-panel-connector-power-audio-and-USB-pinouts/td-p/190651
(2) the system panel connector (F_PANEL) on your new MB.

4. If using tower cooler, be careful of the total height. I use one with 125mm height.

This is a free book by Timo Kiander. Below are the main points.

Foundation:

  1. Let mindset grow.
  2. Physically exercise regularly.
  3. Eat healthy foods.
  4. Sleep well:
    1. First find out how much sleep is needed by wake up without alarm

Tips:

  1. Powerful start of the day
    1. Get up early (and get to bed earlier), and spend the morning time to reach goals
  2. Optimize working rhythm
    1. e.g. work 25 min & rest 5 min; or work 90 min & rest 20 min; or work 52 min & rest 17 min.
  3. Avoid distractions
    1. Set up 2~3 time windows to handle emails and other communications; go to office early (because it is quiet);
    2. Write down ideas and thoughts on a paper for later review
  4. Plan the day in advance
    1. Write down 3 important tasks (and some lower-priority tasks); do not add new tasks

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