NEO-244

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Neo-244.jpg
Package QFP64R
Manufacturer Logo fujitsu.jpg
First use 1992 ?
Approx. gates ?
Used on Pcb.pngSLOT4F

Just a bunch of buffers.

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

Pinout

Generic pinout. Select lines are missing.

Neo-244 pinout.png

OpenOffice Draw file: File:Neo-244.odg

SLOT4F @ A1

Current buffers for 68k address lines.

  • 6: A1 slot 1 & 2
  • 7: A1 slot 3 & 4
  • 8: A2 slot 1 & 2
  • 9: A2 slot 3 & 4
  • 11: A3 slot 1 & 2
  • 12: A3 slot 3 & 4
  • 13: A4 slot 1 & 2
  • 14: A4 slot 3 & 4
  • 22: A5 slot 1 & 2
  • 23: A5 slot 3 & 4
  • 24: A6 slot 1 & 2
  • 27: A6 slot 3 & 4
  • 28: A7 slot 1 & 2
  • 29: A7 slot 3 & 4
  • 30: A8 slot 1 & 2
  • 31: A8 slot 3 & 4
  • 38: A9 slot 1 & 2
  • 39: A9 slot 3 & 4
  • 40: A10 slot 1 & 2
  • 41: A10 slot 3 & 4
  • 43: A11 slot 1 & 2
  • 44: A11 slot 3 & 4
  • 45: A12 slot 1 & 2
  • 46: A12 slot 3 & 4
  • 54: A13 slot 1 & 2
  • 55: A13 slot 3 & 4
  • 56: A14 slot 1 & 2
  • 59: A14 slot 3 & 4
  • 60: A15 slot 1 & 2
  • 61: A15 slot 3 & 4
  • 62: A16 slot 1 & 2
  • 63: A16 slot 3 & 4

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