HP Entertainment Center Z55 Pavilion A M Series Intel Chipset 915P Socket LGA775 Bailey Desktop Motherboard 5188-1043 5188-2549.
Chipset: Intel 915P
Socket: LGA775
Max Supported Memory: 4GB
Number of Memory Slots: 4
Memory Type: DDR SDRAM
Network/Communications: Marvell 88E8053
Audio: Realtek ALC880
Input/Output Ports: 4x USB 2.0; 1x IEEE 1394a; 1x S/PDIF Coaxial Audio; 1x S/PDIF Optical Audio; 1x Ethernet RJ-45
Expansion Slots: 1x PCI Express x16; 1x PCI
Form Factor: Micro ATX
Type: Desktop Motherboard
Please Note: Motherboards are part number specific. You must search by the exact part number of the motherboard you are replacing. The manufacturer part number of the original motherboard has to be an exact match to one you are buying or listed under the list of compatible part numbers, otherwise it may be different and may not work. Buying a matching part number is required in order to avoid returns, delays and lost shipping fees. You can NOT go by the model or serial number of the system alone! We obtain cross reference and compatibility information from the manufacturer (as well as various other sources) and while we do this to the best of our ability, we do not guarantee its accuracy. If you are unsure, please check with your system manufacturer. Please order based on the part number only!