PowerEdge R905 - Server DELL - Free user manual and instructions
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| Product Type | Rack-mount server |
| Form Factor | 4U (7.0 inches / 17.8 cm height) |
| Dimensions (W x D x H) | 17.2 x 27.5 x 7.0 inches (43.7 x 69.9 x 17.8 cm) |
| Weight | 66.5 lbs (30.2 kg) maximum configuration |
| Processor | Up to 4 x AMD Opteron 8000 series (Socket F) |
| Memory | 32 DIMM slots, DDR2 667/533 MHz, up to 128 GB |
| Storage | Up to 8 hot-swap SAS/SATA 3.5" hard drives |
| RAID Support | Integrated PERC 6/i or optional SAS 6/iR card |
| Power Supply | Dual hot-pluggable redundant PSUs, 1400W each |
| Cooling | Hot-swappable fan modules with redundant configuration |
| Networking | 4 x Gigabit Ethernet ports (Broadcom BCM5708) |
| Expansion Slots | 7 x PCIe x8 slots, 1 x PCI-X slot |
| Management | Embedded Dell Remote Access Controller (DRAC) 5 |
| Operating Systems Supported | Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server |
| Maintenance | Tool-less access to internal components; individual drive and fan replacement |
| Cleaning Instructions | Use compressed air to clean dust from vents and fans; avoid liquid cleaners |
| Safety Features | Front bezel lock, chassis intrusion detection, supported in rack with anti-tip bar |
| Spare Parts & Repairability | Dell provides replacement components; many parts (HDD, PSU, fans) are hot-swappable |
Frequently Asked Questions - PowerEdge R905 DELL
How do I reset the Dell PowerEdge R905 to factory defaults?
To reset the system, power off and disconnect cables. Remove the CMOS battery for 30 seconds, then reinstall. Alternatively, use the DRAC 5 web interface to perform a factory reset.
What is the maximum RAM capacity and supported memory type?
The R905 supports up to 128 GB DDR2 registered ECC memory across 32 DIMM slots. Use 667 MHz or 533 MHz modules.
How can I replace a failed hard drive?
Identify the drive with amber LED. Press the release latch, slide the tray out, replace with a new SAS/SATA drive, and insert until it clicks. The RAID controller automatically rebuilds.
Can I install a non-Dell operating system?
Yes, the R905 supports Windows Server, Red Hat Enterprise Linux, and SUSE Linux Enterprise Server. Custom OS may require additional drivers.
How do I access the BIOS setup?
Press F2 during POST (when Dell logo appears). Use the arrow keys to navigate. You can adjust boot order, memory settings, and enable virtualization.
What does the front panel LED status indicate?
Blue = normal; Amber = system fault; Flashing amber = critical error. Refer to the LED decoder on the chassis for details.
How do I update the firmware?
Download the latest firmware from Dell Support. Use the Dell Update Package (DUP) for Windows or lifecycle controller for offline updates.
My server doesn't power on, what should I check?
Ensure both power cables are connected and AC power is present. Check the power button and standby LED. Try a power supply reset by disconnecting for 30 seconds.
Can I use ECC unbuffered memory?
No, the R905 requires registered (buffered) DDR2 memory. Unbuffered modules are not compatible.
How do I configure RAID?
Enter the PERC BIOS by pressing Ctrl+R during POST. Create virtual disks, assign hot spares, and set RAID levels (0,1,5,6,10).
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USER MANUAL PowerEdge R905 DELL
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Product information
Brand : DELL
Model : PowerEdge R905
Category : Server