Explaining Green Computing Video Notes

The Impact:

• Energy costs already excceed hardware costs 
• One pc  1.8 TONS of chemicals to buid a desktop computer

Energy Reduction

• Turni off idle PCs
• Lower power hardware--
• Server virtuallizatio
• Hardware as service
• Energy efficient coding- saves power by writing software

===>US and UK 20bn kWh wasted due to PCs being on overnight

IBM Project big green
2900 servers
30 mainframes
80% saving

Computers can

• increase business efficiciency
• enable dematerealization
• reduce the need for people to travel

Computing has already saved more resources that it has consumed

The Green Machine
New kid on the IT block.

Purchasing Strategy

• laptops instead of PCs
• If PCs, then make them thin clients
• dont over -specify
• high efficiency power supply unites
• only green rated equiptment 

Maintenence

• set monitors to "low power
• mode after inactivity
• switch off computers and other equipment after hours

Data Centres

• highly efficient servers purchase
• virtual servers if possinlble
• review cooling