Oracle ZFS ZS3 Series Customer Service Manual page 162

Servicing the 7x20 Controller
Figure Legend
Motherboard
1
Low-profile PCIe cards
2
Power supplies
3
Power supply backplane
4
Drive backplane
5
System lithium battery
6
7420 CPU and Memory
The 7420 controller supports the following configurations:
Two, four, or eight 8GB DDR3 DIMMs installed on each riser, accommodating 128GB,
■
256GB, or 512GB of memory for 2.0Ghz CPUs.
Four or eight 8GB DDR3 DIMMs installed on each riser, accommodating 256GB or 512GB
■
of memory for 2.0GHz and 2.4Ghz CPUs.
Four or eight 16GB DDR3 DIMMs installed on each riser, accommodating 512GB or 1TB
■
of memory for 2.4Ghz CPUs.
Note -
fillers installed.
Previous 7420 controller configurations support two or four (1.86GHz or 2.00GHz) CPUs,
with two memory risers required by each CPU. Four or eight 4GB or 8GB DDR3 DIMMs are
installed on each riser, accommodating up to 256GB of memory for two CPUs, or up to 512GB
for four CPUs.
162 Oracle ZFS Storage Appliance Customer Service Manual • February 2016
For proper cooling, memory risers corresponding to unpopulated CPU sockets must have
Figure Legend
CPUs and heatsinks
7
Memory risers
8
Fan board
9
Fan modules
10
Boot drives and SSDs
11