UMC  CPU/显示芯片/主板芯片组

型号   生产日期 主频 其他
UM6502      

40-pin DIP,8-bit processor

U5D 486DX 1994 25..40MHz 8KB L1,  0.6um
U5S 486SX 1994 25,33,40MHz 8KB L1,0.6um
U5SX        
U5SF-Super33     33MHz QFP
U5SLV   1994 25,33MHz 低电压 3.3V, 0.6um
U5FLV     25,33MHz U5SLV in QFP
U486DX2        
U486SX2        
U5SDLV        

显示芯片

型号 其他
UMC 84C408

max 1MB

UMC 85C408AF VGA
UMC 86C408 max 1MB
UMC 85C418 max 1MB. 32bit bus. IDE HD controller built in
UMC 86C418 max 1MB, w/ onchip IDE controller
UMC 8710 PCI, 32bit RAM, accelerated
   
UM9502

clock chip, 25-80MHz

   
UM70C171 6bit DAC
UM70C178 15/16bit DAC, similar to Sierra Mark3 SC11487
UM70C188 24bit DAC

主板芯片组

型号   其他
UMC 82C330   386?
UMC 82C48x UM82C481A/AF/BF,UM82C482A/AF,UM82C206F/L 486
UMC 82C49x UM82C491F 486
UM82C491F,UM82C493F 486
UM82C496F,UM82C498F 486
UM82C491F,UM82C493F,UM82C863F,UM82C865F 486
UMC 82C849x UM82C8496F,UM82C8498F 486
UMC 82C88x UM82C881,UM82C776 486,ISA
UM82C881,UM82C886 486,ISA,PCI
UMC 888x UM8881E,UM8886B 486
UM8881F,UM8886F/AF/BF 486
UM8881F,UM8886F,UM8670F 486
UMC 82C89x UM82C891 586
UMC 889x UM8891AF/BF,UM8892AF/BF,UM8886AF/BF 586
     

 


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