A: Yes. SATA II caps speed at ~250 MB/s, but an SSD improves access time dramatically. The manual notes "SATA II supports NCQ" – enable AHCI in BIOS for trim support (Windows 7+).
Usually indicates a memory seating issue. Remove the RAM, clean the gold contacts with isopropyl alcohol, and re-seat them firmly. rc415t-am motherboard manual
The RC415T-AM is a high-performance motherboard designed to support the latest Intel processors. Built with quality components and engineered with precision, this motherboard offers a wide range of features that cater to the needs of both beginners and advanced users. A: Yes
Two 240-pin slots supporting up to 2 GB of single-channel DDR2-533/667 SDRAM. Expansion Slots: 1 x PCI Express x16 1 x PCI Express x1 2 x PCI slots Storage & I/O: 4 x SATA ports (via ULi M1573 South Bridge) 2 x IDE connectors Integrated ATI Radeon Xpress 200 series graphics 8-channel Realtek ALC888 HD Audio Marvell 88E8056 Gigabit Ethernet Pin Definitions and Jumpers Usually indicates a memory seating issue