Manufacturer Part Number: BS-01
Drill Two screw holes in 3.2mm diameter to fix the blower set properly.
New Version PC-V1100/V2100
Locating blower set according to screw holes provided and fix it with thumb srews.
All Other Cases (Lian Li or other brand names) Drill Four Screw holes in 3.2mm diameter (Location refers to screw holes on blower frame) and an opening in 56 x 27mm in advance.
Installation Guider (PC-V1000/V2000)
Simply use the thumb screw enclosed to fix it at proper location in rear of case.