Simplex 4010ES Series - Page 7

3. Attach four lockwashers and metal standoffs to the chassis, and secure the motherboard to the chassis using four #6 screws.
Figure 6: Installing the Motherboard into a 4100ES CPU bay
Figure 7: Installing the Motherboard into a 4100U/4100ES CPU Bay
page 7 579-205 Rev. H
4010ES and 4100 4120-Series Class A/Class B Zone Modules Installation Instructions