Rockwell Automation 9220-KTCT INSTL.INSTR CONTROLNET ISA/EISA - Manual (Page 4)

ControlNet ISA/EISA Bus Tool Installation Instructions 4
9220-5.1 — November 1996
Selecting the Base Memory Address Location
The host computer and the 9220-KTCT card exchange data via a
dual-port interface. The dual-port interface is 16 Kbytes long and it
begins at the specified base memory address location.
The 9220-KTCT card comes set to memory address D000:0000. If this
memory address has been allocated to other interface cards or expansion
memory cards you have installed in your computer system, change the
9220-KTCT’s switch settings to an available memory address.
To select a new base memory address:
1. Pick an available memory address for the card, using the ROM I/O
adapters area of your host computer’s memory and Worksheet A,
on page 5. Be sure to choose a block that is 16 Kbytes long.
2. Determine the proper switch settings for this new address, using
Worksheet B, on page 6.
3. Set the switches on the 9220-KTCT to the new address, using the
guide below:
up (1)
down (0)
1 2 1 2 3 4
MSB LSB
Front View
up (1)
down (0)
Side View Front View
S2 S1
4. Fill in Worksheet C, on page 6.
If you are Go to page
changing the base I/O space address on the card 7
using the factory-set base I/O space address 13
5.