• Dell Connolly (newer revision)
• ASUS Connolly (newer revision)
• Dell Dimension 5100
• Dell Dimension 5150
• Dell Dimension E510

• Faulty or Leaking Electrolytic Capacitors

Some motherboards may contain faulty or leaking electrolytic capacitors, which can negatively impact system performance or stability. These capacitors may exhibit issues such as bulging, leaking, or even exploding, potentially damaging other components on the motherboard. Users should inspect their capacitors regularly and replace any that are faulty or leaking to avoid damage or system instability.

This is the latest revision of the Connolly system board that officially supports Pentium D CPUs, although only on the Dimension 5150 and the E510. Officially, Dell only shipped up to BIOS A03 for the Dimension 5100 and A07 for the 5150. The reason of this is unknown.

The UL code on the PCB suggests it was manufactured by ASUS.

Fastest supported CPU

The fastest officially supported CPU depends on the system model. The Dimension 5100 officially only supports up to a Pentium 4 670 (Cedar Mill CPUs are likely unsupported), with no such support for the Pentium D. Meanwhile, the 5150 and E510 officially support up to the Pentium D 945.

Some boards (not all) can unofficially run unsupported CPUs, such as any Pentium D on the 5100 or faster Pentium D CPUs on the 5150/E510, albeit with the following caveats:

• An "Alert! Incompatible processor detected." error will appear on every system startup. It can be skipped by pressing the F1 key, although it has to be done manually every time.

• The system fans may run at full or near-full speeds all the time.

The exact conditions for which boards will or will not run such processors are uncertain, as some users reported the system simply doesn't POST with such processors. So this should only be tried at the user's own risk.

Capacitor replacement

The capacitors near the PCIe slots and the southbridge have a tendency to bulge. Specifically, some of these capacitors are marked as CE29, CE30 and CE32. All seem to be rated at 6.3v / 820uF. Aluminum polymer capacitors are recommended for replacement.