GA-945P-DS3/S3 Intel Pentium D Pentium 4 Celeron D LGA775 CPU system board Manual GA-945P-DS3/GA-945P-S3 is a motherboard produced by GIGA-BYTE TECHNOLOGY CO., LTD. for Intel® Core TM 2 Extreme dual-core / Core TM 2 Duo / Intel® Pentium® D / Pentium® 4 / Celeron® D LGA775.