These are all 6850 cards, supported by latest Chameleon, (ati.c source code)
619 { 0x6739,0xAA881002, CHIP_FAMILY_BARTS,"AMD Radeon HD 6850",kDuckweed},
620 { 0x6739,0x03B41043, CHIP_FAMILY_BARTS,"AMD Radeon HD 6850",kDuckweed},
621 { 0x6739,0x21F81458, CHIP_FAMILY_BARTS,"AMD Radeon HD...