Looking at the chipset, it's likely using Intel 915G, which is common for LGA775 motherboards from that era. The integrated graphics would probably be an Intel GMA 900, as that pairs with the 915G chipset. Memory support should be DDR2 SDRAM, perhaps two DIMM slots but needing to check—wait, no, more likely two or four slots. Let me verify. The 915 series usually had two DIMM slots. RAM speed would be around 533 or 667 MHz.