Configuring Your System
3–20
module on a Digital AlphaStation 255 system running either the Digital UNIX or
OpenVMS operating system.
Two methods are available to perform ISA configuration tasks: a forms-based interface
(ICONFIG) and a command line interface (ISACFG).
ICONFIG Utility
The ICONFIG utility is a subset of the ISACFG utility. Only one type of each field (or
option) can be set (for example, one IRQ or one I/O address) in ICONFIG. Future
versions will include more functionality.
Start ICONFIG at the SRM prompt by typing >>>iconfig[Return]. The following
screen is displayed:
ISA CONFIGURATION UTILITY
Name I/O IRQ DMA Mem Length Enabled
MOUSE 60 12 Y
KBD 60 1 Y
COM1 3f8 4 Y
COM2 2f8 3 Y
LPT1 3bc 7 Y
FLOPPY 3f0 6 2 Y
HELP: Enter up to 15 char device name
KEY HELP: Arrows/TAB to move, RET once to submit entry,
RET 2nd time to exit
To add an ISA option, first enter the device's name, then move to the next field and enter
its I/O address, and so forth. For example, to add a DE205 Ethernet controller to the
database, follow these steps in response to the HELP: prompts at the bottom of the
display:
1. Enter up to 15 char device name DE200-LE [Tab]
2. Enter i/o address in hex 300 [Tab]
3. Enter IRQ channel in decimal 5 [Tab]
4. Enter dma channel in decimal [Tab]
5. Enter memory address in hex d0000 [Tab]
6. Enter length of memory in hex 10000 [Tab]
7. Enter N to disable, Y to enable Y [Return]
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