IBM PS/2 Model 55sx (early)
Logs See all boards with this chipset See all BIOSes for this chipset
chipChipset parts
(multiple brand) 8042 (Keyboard Controller) IBM 23F8566 IBM 23F9177 IBM 27F4619 IBM 27F4620 IBM 27F4659 IBM 90X8134 (DMA)
dateRelease date
1989-05-09
drv No drivers available
doc No chipset documents available
Chip
Release date
File
Logs
Chip
Release date
1995-11-30
File
Logs
Chip
Release date
1995-11-22
File
Logs
Chip
Release date
1994-07
File
Logs
notes Notes

Overview

This chipset is found in the early model 55sx. It operates at 16MHz. Most of the IBM chips have an unclear function.

Last updated 2019-04-30T00:00:00Z
image1 Image 1 of 1 (Helen_Croft)

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