Apr 28, 2022 · This is the on-board multi I/O chip, UM8663BF. The previous owner replaced it twice with no change. My hunch is the control lines from the ...
UM8663BF Datasheet. 410Kb/11P. Part #: UM8601. Manufacturer: Union Semiconductor, Inc.. Description: Multi-line ESD/EMI Protection for Color LCD Interfaces.
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UMC. UM8663BF. 20PMT04A. SiS. 5598/5582. BAT. RTL8139. iTE. IT8661F. DiskOnChip. CHIPS. B5554. Locating jumpers. J21. J17. J20. J18. J12. J19. J2. J8. J10. J13.