Sc memory i/o board, Jumpers, Switches, s1 and s2 – Gasboy CFN Series Site Controller III Start-up User Manual
Page 45: Jumpers switches, s1 and s2, Switch s1
MDE-4793A CFN Series Site Controller III Start-up Manual for CFN III Versions 3.5 and above · November 2008
Page 39
SC Memory I/O Board
Jumpers and Switch Settings
SC Memory I/O Board
Figure 6-2: SC III Memory I/O Board
Jumpers
Jumper
Function
Setting
K1
Date/Time Clock Speed
1 - 2 for 4 wait state; default
2 - 3 for 1 wait state
K2
Enable A19 to RAM
2 - 3 for 128Kx8; default
1 - 2 for 512Kx8
K3
RAM Size
2 - 3 for 128Kx8; default
1 - 2 for 512Kx8
K5
Tokheim Reset Output
Not used
Switches, S1 and S2
Switch S1
Switch
Function
Setting
S1-1
Boot to monitor after reset
Open
Boot to OS after reset; default
Closed
S1-2
Debug mode
Open
Normal; default
Closed
S1-3
Do not talk to PC while in monitor
Open
Monitor I/O goes to PC also; default
Closed
S1-4
Monitor I/O goes to SC port 1 also
Open
No monitor I/O to SC port 1; default
Closed