Hi,
Here are the lists of processor's which are compatible with this unit.
Intel Celeron Processors:
Intel Celeron 420 Processor (1.60-GHz, 512-KB L2 cache, 800-MHz FSB)
Intel Celeron 430 Processor (1.80-GHz, 512-KB L2 cache, 800-MHz FSB)
Intel Celeron 440 Processor (2.00-GHz, 512-KB L2 cache, 800-MHz FSB)
Intel Celeron 450 Processor (2.2-GHz, 512K L2 cache, 800-MHz FSB)
Intel Celeron Dual-Core Processors
Intel Celeron Dual Core E1200 Processor (1.6-GHz, 512K L2 cache, 800-MHz FSB)
Intel Celeron Dual Core E1500 Processor (2.2-GHz, 512K L2 cache, 800-MHz FSB)
Intel Pentium Dual-Core Processors
Intel Pentium Dual Core E2140 Processor (1.6-GHz, 1-MB L2 cache, 800-MHz FSB)
Intel Pentium Dual Core E2160 Processor (1.8-GHz, 1-MB L2 cache, 800-MHz FSB)
Intel Pentium Dual Core E2200 Processor (2.2-GHz, 1-MB L2 cache, 800-MHz FSB)
Intel Pentium Dual Core E5200 processor (2.50 GHz, 2 MB L2 cache, 800 MHz FSB)
Intel Pentium Dual Core E5300 Processor (2.6-GHz, 2MB L2 cache, 800-MHz FSB)
Intel Core 2 Duo Processors:
Intel Core 2 Duo E4400 Processor (2.0-GHz, 2 MB L2 cache, 800-MHz FSB)
Intel Core 2 Duo E4500 Processor (2.13-GHz, 2 MB L2 cache, 800-MHz FSB)
Intel Core 2 Duo E4600 Processor (2.40-GHz, 2-MB L2 cache, 800-MHz FSB)
Intel Core 2 Duo E6320 Processor (1.86-GHz, 4 MB L2 cache, 800-MHz FSB)
Intel Core 2 Duo E6420 Processor (2.13-GHz, 4 MB L2 cache, 800-MHz FSB)
Intel Core 2 Duo E6550 Processor (2.33-GHz, 4 MB L2 cache, 1333-MHz FSB)
Intel Core 2 Duo E6750 Processor (2.66-GHz, 4 MB L2 cache, 1333-MHz FSB)
Intel Core 2 Duo E6850 Processor (3.0-GHz, 4 MB L2 cache, 1333-MHz FSB)
Intel Core 2 Duo E7300 Processor (2.66 GHz, 3 MB L2 cache, 1066 MHz FSB)
Intel Core 2 Duo E7400 Processor (2.80-GHz, 3 MB L2 cache, 1066-Mhz FSB)
Intel Core 2 Duo E8600 processor (3.33 GHz, 6 MB L2 cache, 1333 MHz FSB)
Intel Core 2 Quad Processors:
Intel Core 2 Quad Q6600 Processor (2.403-GHz, 8 MB L2 cache, 1066-MHz FSB)
Intel Core 2 Quad Q6700 Processor (2.66-GHz, 8 MB L2 cache, 1066-MHz FSB)
Intel Core 2 Quad Q8200 processor (2.33-GHz, 4 MB L2 cache, 1333-MHz FSB)
Intel Core 2 Quad Q8300 Processor (2.50-GHz, 4 MB L2 cache, 1333-MHz FSB)
Intel Core 2 Quad Q9400 processor (2.66-GHz, 6 MB L2 cache, 1333-MHz FSB)
Intel Core 2 Quad Q9650 processor (3.00-GHz, 12 MB L2 cache, 1333-MHz FSB)
Click on " Kudos Star " icon on left hand side if resolved.
I am a HP employee, but the comments in this forum is of my own and does not represent HP