NVIDIA GeForce6100 +nForce 420

The NVIDIA GeForce 6100 + nForce 420 is an integrated graphics chipset from NVIDIA, released on October 11, 2004. It combines the GeForce 6100 GPU with the nForce 420 northbridge on a single chip, using the C61 architecture and a 90 nm process node. The GPU features 2 shading units and a base clock of 425 MHz. Memory support includes up to 0.256 GB of DDR or DDR2, with a memory bus width of either 64 or 128 bit, resulting in memory bandwidth of 6.40 or 17.06 GB/s. The chipset uses a PCI (HyperTransport) bus interface and does not require power connectors. It supports OpenGL 2.0 fully and 2.1 partially. This chipset was designed for budget motherboards and was typically paired with low-end CPUs.