System-board LEDs
The following illustration shows the light-emitting diodes (LEDs) on the system
board.
Note:
Error LEDs remain lit only while the server is connected to power.
Table 7. Callout descriptions
1
PCI riser 2 LED
13
Fan 3 error LED
2
Enclosure manager heartbeat LED
14
Power channel A LED
3
Battery error LED
15
Power channel B LED
4
IMM heartbeat LED
16
Power channel C error LED
5
PCI riser 1 LED
17
Power channel D error LED
6
Microprocessor 1 error LED
18
Power channel E error LED
7
DIMMs 1 - 8 error LEDs
19
Power channel F error LED
8
Reserved
20
240 - V AUX channel error LED
9
Fan 1 error LED
21
SAS riser missing LED
10
Reserved
22
System-board error LED
11
Fan 2 error LED
23
Microprocessor 2 error LED
12
Reserved
24
DIMMs 9-16 error LEDs
154
ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Hardware Maintenance Manual
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