Revision as of 07:49, 27 September 2017

Just a bunch of buffers.

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

Pinout

Generic pinout. Select lines are missing.

OpenOffice Draw file: File:Neo-244.odg

Current buffers for 68k address lines.

Current buffers for control lines.

@@ Line 14: / Line 14: @@
 =Pinout=
-TODO
+Generic pinout. Select lines are missing.
 [[File:Neo-244_pinout.png|512px]]
@@ Line 24: / Line 24: @@
 Current buffers for 68k address lines.
-*6: A0 slot 1 & 2
+*6: A1 slot 1 & 2
-*8: A1 slot 1 & 2
+*7: A1 slot 3 & 4
-*11,13,22,24,28,30,38,40,43,45,54,56,60,62
+*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
-*7: A0 slot 3 & 4
+==SLOT4F @ A2==
-*9: A1 slot 3 & 4
-*12,14,23,27,29,31,39,41,44,46,55,59,61,63
+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
 [[Category:Chips]]