NEO-244

Just a bunch of buffers.

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

=Pinout=

Generic pinout. Select lines are missing.



OpenOffice Draw file:

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

SLOT4F @ A2
Current buffers for control lines.


 * 60: A18 slot 1 & 2
 * 62: A19 slot 1 & 2