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UMC UM82C230 (286 MORTAR)
Parts: UMC UM82C231, UMC UM82C232, (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.)
UMC UM82C380 (386 HEAT)
Parts: UMC UM82C381, UMC UM82C382, UMC UM82C383, UMC UM82C384, (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.)
UMC UM82C380 (386 HEAT w/Austek cache)
Parts: Austek A38152 (386 Cache Controller), UMC UM82C381, UMC UM82C382, UMC UM82C383, UMC UM82C389, (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.)
UMC UM82C380 (386 HEAT w/Intel cache)
Parts: Intel 82385 (Cache Controller for 80386DX), UMC UM82C381, UMC UM82C382, UMC UM82C383, UMC UM82C388, (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.)
UMC UM82C480 (386/486 PC Chip Set)
Parts: UMC UM82C481, UMC UM82C482, (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.)
UMC UM82C491 (386/486 Single Chip)
Parts: UMC UM82C491
UMC UM82C210 (386SX/286 AT)
Parts: UMC UM82C211, UMC UM82C212, UMC UM82C215, (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.)
UMC UM82C390 (40MHz 386 PC Chip Set)
Parts: UMC UM82C391, UMC UM82C482, (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.)
UMC UM8498/8496 (486 VL Chipset "Super Energy Star Green")
Parts: UMC UM8496, UMC UM8498F
UMC UM82C088 (PC/XT Integration Chip)
Parts: UMC UM82C088
UMC UM82C330 (Twinstar)
Parts: UMC UM82C336F/N, (multiple brand) 82C206 (DMA, IRQ, timer and RTC ctrl.)
UMC UM82C881 (UM8881 HB4 Super Energy Star Green)
Parts: UMC UM8881F, UMC UM8886F
Alias: BIOTEQ 83C881F/83C886F (83C888x)
UMC UM82C881 (UM8881 HB4 Super Energy Star Green w/IDE)
Parts: UMC UM8881F, UMC UM8886BF
UMC UM82C881 (UM8881 HB4 Super Energy Star Green w/IDE)
Parts: UMC UM8881F, UMC UM8886AF
UMC UM82C890 (UM8890 Pentium chipset)
Parts: UMC UM8886AF, UMC UM8891, UMC UM8892
UMC UM82C491/493
Parts: UMC UM82C491, UMC UM82C493