21 chipsets

• UMC UM82C230 (286AT MORTAR Chip Set) [UM82C230]
• UMC UM82C380 (386 HEAT PC/AT Chip Set) [UM82C381A, UM82C382, UM82C383, UM82C384, UM82C206]
• UMC UM82C480 (386/486 PC Chip Set) [UM82C481, UM82C482, UM82C206]
• UMC UM82C210 (386SX/286 AT Chip Set) [UM82C210]
• UMC UM8498/8496 (486 VL Chipset "Super Energy Star Green") [UM8496, UM8498]
• UMC ??? [UM82C391, UM82C482]
• UMC UM8881/8886 (HB4 PCI Chipset "Super Energy Star Green") [UM8881, UM8886]
• UMC UM82C088 (PC/XT Integration Chip) [UM82C088]
• UMC UM8890BF (Pentium chipset) [UM8891BF, UM8892BF, UM8886BF]
• UMC UM82C3xx (Twinstar) [UM82C336F/N, UM82C39x]
• UMC unidentified
• UMC UM82C493/491 [UM82C491, UM82C493]
• Unichip U4800 (386/486 AT Chip Set - isa 386dx)
• Unichip U4800-VLX (isa/vlb 486)
• Unichip unidentified
• Unichip 480VL
• UTron/HiNT UT801x [UT85C501, UT85C502]
• ULi M1689 (M1689 Single Chip) [M1689]
• ULi M1695 [M1695, M1567]
• USA Integration SC-9204-A [SC-9204-A]
• USA Integration SC [SC]