Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Genuine HP Elite 8200 SFF Desktop System Motherboard LGA 611834-001, 611793-002
Product description: Specifications, Brand : HP, Model : Elite 8200 SFF, Form_Factor : Desktop, Type : System Motherboard, MPN : 611834-001, 611793-002, Socket_Type : LGA 1155, Number_of_Memory_Slots : 4, Memory_Type : DDR3 SDRAM, Package Includes : 1 HP Elite 8200 SFF System Motherboard
Product feature: HP Elite 8200 SFF Desktop System Motherboard, HP P/N: 611834-001, 611793-002, Socket: LGA1155
Product price: $1.93
Product brand: HP
Target attributes: Chipset
Answer: attribute: chipset
value: None
source: None