Overview of 7420 Controller
7420 Front Panel Components
FIGURE 36
7420 Front Panel
Figure Legend
1
Locator LED and button (white)
2
Service Required LED (amber)
3
Power/OK LED (green)
4
Power button
5
Service Processor (SP) OK LED
(green)
6
Fan/CPU/Memory Service
Required LED
7
Power Supply (PS) Service
Required LED
8
Over Temperature Warning LED
9
USB 2.0 Connectors
10
DB-15 video connector
11
Boot drive 0 (mirrored)
12
Boot drive 1 (mirrored)
13
SSD 2 (optional)
14
SSD 3 (optional)
15
SSD 4 (optional)
16
SSD 5 (optional)
The 7420 M2 has two SAS-2 system boot drives in slots 0 and 1, configured as a mirrored pair.
Up to four SAS-2 read cache SSDs may fill slots 2 through 5, in order. In a 7420 M2 cluster, the
number of SSDs installed in each controller can vary.
7420 controllers have two SATA system boot drives in slots 0 and 1, configured as a mirrored
pair. Zero, two, three, or four read cache SSDs, may optionally fill slots 2 through 5, in order. In
a 7420 cluster, the number of SSDs installed in both controllers must match.
Installation Prerequisites and Hardware Overviews
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