Clock Signals - Data General NOVA 4/S Manual

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 DGC's prior written approval nor be implied to grant any license to make, use, or sell equipment manufactured in accordance herewith.
Table 10.4
POWER SUPPLY STATUS SIGNALS
INTERCONNECTION WITH SYSTEM
The 5-slot power supply board communicates with the
rest of the system via the jack J1 to the backpanel. Signal Jack | Source | Destination | Description
Tables 10.3 through 10.5 list each signal either Pin *
generated or received by the power supply board
together with the jack locations of the signal. (Footnotes MEMD j1-24 Backpanel |Power Supply | Unused
for all three tables follow Table 10.5.) MEM OK 31-23 Power Backpanel +5 MEM
Supply Voltage OK
Table 10.3 ONLED-P J1-11 Power Backpanel All DC output
: : . - ae PWR FAIL J1-9 Power Backpanel Po itch
Signal Jack | Source | Destination | Description S ekpane wer swite
Pi * upply off or AC power
PWR OK J1-16 Power Backpanel Ail AC output
GND J1 PINS | Power Backpanel Power or logic Supply voltages OK
1,2, 4, Supply ground
79-88 CLOCK SIGNALS**
+3V J1-31, P Back | +3 f . : . sg: ower aexpane V Source for Signal Jack | Source |Destination | Description
J1-32 Supply backpanel bus Pi *
terminators wn
+5VA J1 PINS | Power Backpanel +5V Source
91-100 | Supply B10CLK J1-6 Power Backpanel 10 MHZ Square
+5VB J1 PINS | Power Backpanel +5V Source Supply wave
67-76 Supply B20CLK J1-14 Power Backpanel 20 MHZ Square
+5 MEM J1-33, | Power Backpanel Same as +5V Supply wave
J1-34 Supply if battery B40CLK J1-10 Power Backpanel 40 MHZ Square
backup not Supply wave
configured ENB 10CLK J1-15 | Power Backpanel 10 MHZ Pulse
-5V J1-27 Power Backpanel -5V Source Supply Train
J1-28 | Supply LCLK J1-17 | Power Backpanel 50/60 HZ
-5 MEM J1-19 Power Backpanel Same as -5V if Supply Square wave
Supply battery backup (AC line
not configured frequency)
-11V J1-24 Power Backpanel EIA Interface 5 MHZ CLK J1-7 Power Backpanel 5 MHZ Square
Supply voltage Supply wave
+12V J1 PINS | Power Backpanel + 12V Source 500 HZ J1-18 Power Backpanel 500 HZ Square
43-46 Supply Supply wave
+12 MEM Ji PINS |P Backpanel +12V
2 ower acxpane Same as 2 * See the 5-alot backpanel schematic, DGC No. 001-0001619, for the
47-50 Supply if battery . .
locations of signals on the backpanel.
backup not
configured ** See Appendix D for a timing diagram of the system clock signals.
+ 15V J1-53, Power Backpanel +15V Source
J1-54 Supply
88