Installation and Service Manual
Table Of Contents
- Dell EMC PowerEdge T550 Installation and Service Manual
- Contents
- About this document
- PowerEdge T550 system overview
- Initial system setup and configuration
- Minimum to POST and system management configuration validation
- Installing and removing system components
- Safety instructions
- Before working inside your system
- After working inside your system
- Recommended tools
- Optional front bezel
- System feet
- Optional caster wheels
- System cover
- Air shroud
- Cooling fans
- Cooling fan cage
- Fan board tray
- Front PERC module
- Drives
- Removing a drive blank
- Installing a drive blank
- Removing a drive carrier
- Installing a drive carrier
- Removing the drive from the drive carrier
- Installing a drive into the drive carrier
- Removing a 3.5-inch drive adapter from a 3.5-inch drive carrier
- Installing a 3.5-inch drive adapter into the 3.5-inch drive carrier
- Removing a 2.5-inch drive from a 3.5-inch drive adapter
- Installing a 2.5-inch drive into a 3.5-inch drive adapter
- Drive backplane
- Drive bays
- Cable routing
- Optional optical drive
- Optional tape backup unit
- Front IO module
- System memory
- Optional BOSS S2 module
- Optional internal USB card
- Internal USB memory key
- Optional IDSDM module
- MicroSD card
- Expansion cards
- GPU card holder
- Optional GPU card
- GPU riser
- Processor and heat sink module
- Optional OCP card
- Optional serial COM port
- System battery
- Intrusion switch module
- Power supply unit
- Power interposer board
- System board
- Trusted Platform Module
- Jumpers and connectors
- System diagnostics and indicator codes
- Getting help
- Documentation resources
Drive indicator codes
The LEDs on the drive carrier indicate the state of each drive. Each drive carrier has two LEDs: an activity LED (green) and a
status LED (bicolor, green/amber). The activity LED blinks whenever the drive is accessed.
Figure 185. Drive indicators on the drive and the mid drive tray backplane
1. Drive activity LED indicator
2. Drive status LED indicator
3. Drive capacity label
Figure 186. Drive indicators
1. Drive activity LED indicator
2. Drive status LED indicator
3. Drive capacity label
NOTE: If the drive is in the Advanced Host Controller Interface (AHCI) mode, the status LED indicator does not power on.
NOTE: Drive status indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used.
Table 56. Drive indicator codes
Drive status indicator code Condition
Blinks green twice per second Indicates that the drive is being identified or preparing for removal.
Off Indicates that the drive is ready for removal.
NOTE: The drive status indicator remains off until all drives are
initialized after the system is powered on. Drives are not ready
for removal during this time.
Blinks green, amber, and then powers off Indicates that there is an unexpected drive failure.
Blinks amber four times per second Indicates that the drive has failed.
Blinks green slowly Indicates that the drive is rebuilding.
Solid green Indicates that the drive is online.
System diagnostics and indicator codes 181