PowerEdge 2650 Processor Questions

PowerEdge 2650 Processor Questions
1.       What processors does my system support?

2.       Why do I see two processors in my operating system when only one is installed?

3.       Spare Parts and Upgrades

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1.       What processors does my system support?

The PowerEdge 2650 will support the Intel Dual Processor (DP) XEON Processors at speeds up to 3.20GHz, depending on the motherboard installed.

Originally, the PowerEdge 2650 server series shipped with motherboards that supported a 400Mhz Front Side Bus (FSB).

Later in the production cycle a new motherboard design was offered, which accommodates a 533Mhz FSB.

Note: The 400 Mhz FSB systems are not upgradeable to 533 Mhz FSB.

To determine which FSB speed and processors the system will accommodate, enter System Setup during the boot-up process by pressing the F2 function key as prompted. Look for the CPU Information section.

More information on viewing this information in System Setup can be found HERE:

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2.       Why do I see two processors in my operating system when only one is installed?

The PowerEdge 2650 system supports a technology known as hyper-threading. Hyper-threading allows one processor to act as two logical processors by providing two different data paths on the same chipset. Thus, with one physical processor in the system, the OS sees two logical processors.

For more information on hyper-threading technology from the Intel website, please click this link:

Hyper-Threading Technology for Servers

FYI for licensing issues with hyper-threading technology, read this document from Microsoft:

Microsoft Windows-Based Servers and Intel Hyper-Threading Technology

Please see the following Dell Knowledge Base article below for a full explanation of Hyper-threading:

What is Intel® Hyper-Threading Technology, How Do I Determine if My Dell™ Computer Has It, and How Do I Enable or Disable It?

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3.       Spare Parts and Upgrades

Dell Customer Kits

Each customer kit will contain the processor, heat sink, heat sink clips, heatsink fan and Voltage Regulator Module (VRM) along with instructions.

Note: The PowerEdge 2600 shipped with VRMs from several different manufacturers. When running dual processors, the VRMs must match. For this reason, each Customer Kit ships with 2 matching VRMs.

533MHz FSB motherboard only

311-2767       2.00GHz Intel XEON, 533MHz FSB, 512K Cache
311-2768       2.40GHz Intel XEON, 533MHz FSB, 512K Cache
311-2769       2.80GHz Intel XEON, 533MHz FSB, 512K Cache
311-2770       3.06GHz Intel XEON, 533MHz FSB, 512K Cache
311-3099       3.06GHz Intel XEON, 533MHz FSB, 1MB Cache
311-3231       3.20GHz Intel XEON, 533MHz FSB, 1MB Cache

Refurbished Processors (bare)

We also have processors available from our Refurbished parts stockrooms. Parts in these stockrooms are labeled as refurbished but are, in fact, either reconditioned parts or, in the majority of cases, new parts that have been transferred to our stockrooms for use by Dell Server Technical support. Below are the 5-digit part numbers of these processor service kits we offer:

400Mhz FSB motherboard only

1K885       1.80Ghz XEON processor with 512KB Cache (B0 stepping)
7U293       1.80Ghz XEON processor with 512KB Cache (C1 stepping)
8J206       2.00Ghz XEON processor with 512KB Cache (B0 stepping)
7U288       2.00Ghz XEON processor with 512KB Cache (C1 stepping)
G1462       2.00Ghz XEON processor with 512KB Cache (D1 stepping)
8J207       2.20Ghz XEON processor with 512KB Cache (B0 stepping)
7U264       2.20Ghz XEON processor with 512KB Cache (C1 stepping)
2P356       2.40Ghz XEON processor with 512KB Cache (B0 stepping)
3U922       2.40Ghz XEON processor with 512KB Cache (C1 stepping)
G1463       2.40Ghz XEON processor with 512KB Cache (D1 stepping)
4U879       2.60Ghz XEON processor with 512KB Cache (C1 stepping)
G1570       2.60Ghz XEON processor with 512KB Cache (D1 stepping)
0W761      2.80Ghz XEON processor with 512KB Cache (C1 stepping)
G1464       2.80Ghz XEON processor with 512KB Cache (D1 stepping)


533Mhz FSB motherboard only

3X424       2.00Ghz XEON processor with 512KB Cache (C1 stepping)
T0929       2.00Ghz XEON processor with 512KB Cache (D1 stepping)
2R177       2.40Ghz XEON processor with 512KB Cache (C1 stepping)
U0621       2.40Ghz XEON processor with 512KB Cache (D1 stepping)
4T378       2.80Ghz XEON processor with 512KB Cache (C1 stepping)
Y0274       2.80Ghz XEON processor with 512KB Cache (D1 stepping)
6X672       3.06Ghz XEON processor with 512KB Cache (C1 stepping)
U0622       3.06Ghz XEON processor with 512KB Cache (D1 stepping)

M1938      3.06Ghz XEON processor with 1MB Cache (D1 stepping)
C3040       3.20Ghz XEON processor with 1MB Cache (D1 stepping)
F4334        3.20Ghz XEON processor with 2MB Cache (D1 stepping)

Below are part numbers for the accompanying Voltage Regulator Module (VRM), fan, heatsink/shroud assemblies and retainer clips necessary for the processor. All 7-digit SKU's listed above include the below part numbers; however, the following part numbers do need to ordered with any of the above 5-digit refurbished part numbers:

Note: Both VRMs in the system must be the same part number
83VKG       VRM 9.0
J3740       VRM 9.1
8R158       VRM 9.1

83MGJ       Heatsink Clip (need quantity 2 per processor)

5J294       Fan Assembly (all systems)
4Y364       Fan Assembly (additional fan required for 533MHz FSB processor systems)

5Y886       Heatsink for 400Mhz FSB processors only
8Y125       Heatsink for 533MHz FSB processors only

Please note that the contents of the above part numbers are subject to change over time, as is availability of those parts.

We recommend contacting our Spare Parts department at 1-800-372-3355 for pricing, availability, and purchasing of all the above parts.

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