Gasboy CFN Series Diagnostic Manual - Manual (Page 353)

Site Controller III
1116 12-19
PC ISA Bus Interface connector
Pinout Pin Function Voltage
Component
side A1-A31 No connections N/C
B1 Ground Ground
B2 N/C N/C
B3 +5 VDC +5 VDC
B4-6 N/C N/C
B7 -12 VDC -12 VDC
B8 N/C N/C
B9 +12 VDC +12 VDC
B10 Ground Ground
B11-28 N/C N/C
B29 +5 VDC +5 VDC
B30 N/C N/C
Solder Side
B31 Ground Ground
See the charts shown earlier in this section for the exact pinouts of these connectors.
P3, P4, & P5 - RS-232 General Purpose Communications Ports 6, 5, and 4 respectively
P6 – Dual Tokheim Port 3
LED Indicator DL2
LED indicator is provided to allow you to monitor the battery voltage. When lit, it indicates the
battery voltage is low or the battery is not connected.
Jumpers
Jumper Description Setting
1-2 for 4 wait state; default
K1 Date/Time clock speed
2-3 for 1 wait state
2-3 for 128Kx8; default
K2 Enable A19 to RAM
1-2 for 512Kx8
2-3 for 128Kx8; default
K3 RAM size
1-2 for 512Kx8
K5 Tokheim reset output Not used.
Switches
Switch S1
Switch Function Setting
Boot to monitor after reset Open
S1-1
Boot to OS after reset Closed; default
Debug mode Open
S1-2
Normal Closed; default
Don’t talk to PC while in monitor Open
S1-3
Monitor I/O goes to PC also Closed; default
Monitor I/O goes to SC port 1 also Open
S1-4
No monitor I/O to SC port 1 Closed; default