- Notes, cautions, and warnings
- About this document
- 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 cover
- Drive backplane cover
- Air shroud
- Cooling fans
- Side wall brackets
- Intrusion switch module
- Optional serial COM port
- Drives
- Drive backplane
- Cable routing
- System memory
- Processor and heat sink module
- Expansion cards
- Optional IDSDM module
- Optional BOSS S2 card
- Front mounting front PERC module
- Optional OCP card
- System battery
- Optional internal USB card
- MicroSD card
- Power supply unit
- Power interposer board
- Cooling fan cage board
- System board
- Trusted Platform Module
- Control panel
- Optional optical drive
- Jumpers and connectors
- System diagnostics and indicator codes
- Getting help
- Documentation resources
Dell EMC PowerEdge R550 Installation and Service Manual
System board connectors
| Item | Connector | Description |
|---|---|---|
| 1. | SYS_ID | System ID Connector |
| 2. | x16 (CPU2) | PCIe slot 5 ( Processor 2) |
| 3. | Coin cell battery | Coin cell battery |
| 4. | OCP 3.0 x16 | OCP NIC 3.0 Connector |
| 5. | J_TPM | TPM Connector |
| 6. | IDSDM/Internal USB connector | IDSDM/Internal USB connector |
| 7. | REAR_SERIAL | Serial Port Connector |
| 8. | x4 (PCH) | x4 PCIe slot 2 (PCH) / BOSS signal connector (PCH) |
| 9. | FRONT_VIDEO | Front VGA |
| 10. | PWRD_EN / NVRAM_CLR | PWRD_EN / NVRAM_CLR (Jumpers) |
| 11. | x16 (CPU1) | x16 PCIe slot 1 (Processor 1) |
| 12. | SL9_PCH_SA1 | SATA Connector S9 (PCH) |
| 13. | ODD | Optical disk drive connector |
| 14. | RGT_CP | Right Control Panel |
| 15. | A3, A7, A1, A5 | DIMMs for processor 1 Channels A, B, C, D |
| 16. | CPU 1 | Processor 1 |
| 17. | A6, A2, A8, A4 | DIMMs for processor 1 Channels E, F, G, H |
| 18. | SL3_CPU1_PB2 | PCIe cable connector 3 (Processor 1) |
| 19. | B6, B2, B8, B4 | DIMMs for processor 2 Channels E, F, G, H |
| 20. | SYS_PWR2 | System Power Connector 2 |
| 21. | CPU 2 | Processor 2 |
| 22. | B3, B7, B1, B5 | DIMM for processor 2 channels A, B, C, D |
| 23. | LFT_CP | Left Control Panel |
| 24. | FAN_SIG1 | Fan Signal 1 |
| 25. | FAN_SIG2 | Fan Signal 2 |
| 26. | PIB_SIG1 | PIB Signal 1 |
| 27. | PIB_SIG2 | PIB Signal 2 |
| 28. | INTRUSION | Intrusion Switch Connector |
| 29. | SYS_PWR1 | System Power Connector 1 |
| 30. | x16 (CPU2) | PCIe slot 6 ( Processor 2) |
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