Data General NOVA 4/S Manual page 118

Data General Corporation (DGC) has prepared this manual for use by DGC personnel and customers as a guide to the proper installation, operation, and
maintenance of DGC equipment and software. The drawings and specifications contained herein are the property of DGC and shall neither be reproduced in whole
or in part without ODGC's prior written approval nor be implied to grant any license to make, use, or sell equipment manufactured in accordance herewith.
DATA W DATA Di <0-15>
LATCH
o ROW ADDRESS ROW MOD A
2 LATCH [RADRENEMODA A BANK |
< parma - D
< |MEMIN <19, 0-15> Mi < 19, 0-15 > | D a |
| a 8 NPUT I 'ADR <0-6> A R |
i | MEMWAITE BUFFER MEMWRITE | MODARASO _ | E < DOA <0-15> J 4
mis
3 MEMSTART MEMSTART | " mor Ars' | s é i REGISTERS
> COLUMN ADDRESS yy COLUMN MODARAS __ Vv \ |
x <
1
= <7 A CADRENBMODA TIMING T -—
MODSELA <0,1> LOGIC y U
"| SELECT —
w—1 MMEMCLK 1 Loaic 1 oat < ~~ mopawe| R qT aa
TOCUK . [INTERFACE | = MioCLK |_| AND a S
» leocue | TIMING 1 JUMPER —7 —- -> -7—] To M | |_|
~ GENERATOR|___M20CLK NETWORK }-—_———>- Be U
a { xX
o | MEMWRITE ) x
3 <<? | A 7 g
0 MOD B io ZB
& MEMSORRY | | [ | BANKO| | BOB <0-155 r Bus 5
| » BANK 1 100 <0-165 ) 15>) © S | MODBWE | v IDO <O-15> } driver MEMOUT <0-15>} 5
_-—————______—___— an
f ) pf — _- _- | WY S
MEMWRITE ! MEMSORRY
SELECT | MOD C
| BANK 0 AY
ae | a)
\ ~~ 7 a oO ~~ ~~ |
MEMWRITE |
TEEN wooo |
2) ; MODDWE _ > BANK 1 |
|
> L __ __ _ ee __ __ 3
LOGIC
REFRESH ADDRESS »
DG 09883 MEMSORRY
* MODULES A, B, C, AND D HAVE IDENTICAL TIMING AND ADDRESSING CIRCUITS.
** 128K BYTE AND 32K BYTE BOARDS CONTAIN BANK 0 ONLY.
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