NEO-244

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Package QFP64R
Manufacturer
First use 1992 ?
Used on SLOT4F

Just a bunch of buffers.

Only (?) used on second revision 4-slot MVS systems.

Pinout

Generic pinout.


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SLOT4F @ A1

Buffers for 68k address lines.


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SLOT4F @ A2

Current buffers for control lines.

  • 4: ROMOE
  • 5: ROMOEU
  • 16: ROMOEL
  • 17: RW
  • 19: AS
  • 20: PORTOEU
  • 32: PORTOEL
  • 33: PORTWEU
  • 36: PORTWEL
  • 37: PORTADRS