IBM (PS/2 Model 65sx)
IBM 23F8566
IBM 23F9177
IBM 27F4619
IBM 57F1139
IBM 90X8134 (DMA)
Intel 8042AH (Keyboard Controller)
1990-03-20
Description:
Overview
This chipset is found in the model 65sx. It operates at 16MHz. Most of the IBM chips have an unclear function. It is basically the same as the late model 55sx chipset, however there a 27F4620 is included.
Documented parts
Last updated 2019-04-30T00:00:00Z
![no images available :(](https://theretroweb.com/build/images/missing/chipset-missing.jpg)
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