Saturday, 28 March 2015 11:12

IBM 15F6864

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Unknown onboard IBM chip, probably VGA.

 

Inmos IMSG171P-35 is 35MHz Ramdac designed to be compactible with IBM PS/2 VGA graphics systems. Datasheet is here. Fru of board is 33F5018 on back side, 64F3537 on sticker at front side. By googling i found that it should be 1st vga chipset used on PS/2 computers. Motherboard should be from unknown PS/2 Model 70 computer using highend 386 cpu - many types sold. Questions are: is it really 1st vga?, source computer exact model.

Vlask's chip:

IBM 15F6864
IBM 15F6864

IBM 15F6864
IBM 15F6864
IBM 15F6864

IBM 15F6864
Memory
Memory

Memory
IBM 15F6864 Outputs
IBM 15F6864 Outputs

IBM 15F6864 Outputs

Additional Info

  • Made by: IBM
  • Codename: 15F6864
  • Bus: Integrated
  • Memory Size: 256kB
  • Max Memory Size: 256kB
  • Memory Type: DRAM
  • Card Type: VGA
  • Manufacturer: IBM
  • Made in: Japan
  • Owned by: Vlask (chip/not working)
  • Outputs: 15 pin D‐sub
  • Sold by: IBM
  • Ramdac (MHz): 35
Read 5106 times Last modified on Saturday, 28 March 2015 11:29

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