HP Dc5000 HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd - Page 172

Memory The following processor bus frequencies are required for the system to run at the supported memory frequencies. Memory Frequency 266 MHz 333 MHz 400 MHz Required Processor Bus Frequency 400 MHz, 533 MHz, or 800 MHz 533 MHz or 800 MHz 800 MHz If a memory frequency is paired with an unsupported processor bus frequency, the system will run at the highest supported memory speed. For example, if a 333 MHz DIMM is paired with a 400 MHz processor bus, the system will run at 266 MHz, the highest supported memory speed. ✎ The system will not start if you install unsupported DIMMs. DIMM Sockets There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled XMM1, XMM2, XMM3, and XMM4. Sockets XMM1 and XMM2 operate in memory channel A. Sockets XMM3 and XMM4 operate in memory channel B. The system board shown below may be different from the one in your computer. Item 1 2 3 4 Description DIMM socket XMM1, Channel A DIMM socket XMM2, Channel A DIMM socket XMM3, Channel B DIMM socket XMM4, Channel B Socket Color Black Blue Black Blue F-2 360201-002 Service Reference Guide, dc5000