User`s manual

5-3
Chapter 5: Chassis Setup and Maintenance
Figure 5-2: Hard Drives and the Corresponding Motherboards
MB: A
MB: B
MB: C
MB: D
5-3 Installing and Removing Hard Drives
The SC827 chassis contains four individual motherboards in separate node draw-
ers. Each motherboard node controls a set of three hard drives. Note that if a
motherboard node drawer is pulled out of the chassis, the hard drives associated
with that node will power down as well.
1
A
1
B
1
C
1
D
Motherboard Drawer Locations in the Chassis
Motherboard B
Controls HDDs B1, B2 and B3
Motherboard D
Controls HDDs D1, D2 and D3
Motherboard A
Controls HDDs A1, A2 and A3
Motherboard C
Controls HDDs C1, C2 and C3