HVP3 Interboard Jumpers
Pin JC01 JC02 JC03

1
A0 insert -

2
A1 _____
YCNT
D3

3
A2 SyncB D2

4
D0 _____
DCNT
D1

5
D2 ____
NMI
D0

6
D4 SyncA VR63

7
D6 B256 VR62

8
-Ph2 GND

9
_____
SyncB
60Hz VR61

10
D7 DPT VR60

11
D5 ___
IRQ
-

12
D3 ________
CGWAIT
-

13
D1 ClkA -

14
_____
KREG
ClkB -

15
_____
RANA
DPTInv -

16
_____
WANA
CGVid VCC from main
mainboard socket
Z39
Z59
Z11
analog board socket
Z39
Z59
-
audio switch socket--
Z1