tezro_fans.md

SGI Tezro fans

List of original fans.

Fan Wall

• ebm-papst 612N/2ML 60x25.4mm 12V fan, cooling VPro board. 2 fans.
• Delta Electronics AFB0812M 80x25.4mm 12V fan, cooling interface board and PCI boards. 2 fans.

Disk Drive Fan

• ebm-papst 8312/2H 80x32mm 12V fan fan, mount behind hard drive bay. 1 fan.

If you want quieter Tezro, change this fan. As time passed the fan will run at about 90%, the original fan will run at 4440 rpm, which is what make Tezro so loud.

You may get fan 5 environment warning on the LCD after fan replacement due to the fan have starting rpm too low, which you can ignore it.

Rear Fan Assembly

• ebm-papst 8312/12HL 80x32mm 12V fan, in metal enclosure at the back, cooling node board and memory DIMMs. 3 fans.

Reference

• SGI Tezro Papst fan replacement and upgrade (quieter, cooler)