Older versions of modded Minecraft can be pretty laggy sometimes, so on these versions (currently Infinity: Evolved), if steps aren't taken to limit how much stuff people are allowed to pack into a single chunk, the server will get bogged down trying to process everything. In an effort to minimize server lag, we use a lag prevention system called "Tech Points".
Tech Points: (each chunk is allowed 200 points)
- "Devices" (most machines) are worth 11 points
- "Components" (AE2 items) are worth 3 points
- Spawners are worth 100 or 160 points depending on their power
- Multiblocks are worth 80 points
Most items that have a tech point value have custom NEI tags on them in-game that let you know what their value is. A few special items have different values and are labelled in-game as well.
You can use the /techpoints command in-game to help you tally your machines, however keep in mind the /techpoints command IGNORES AE2 components, so those will need to be counted separately.