Commodore A 2091-40 - Page 44

5-8 The A2091 Installation Software Disk
© problem found on pin—The chip will be listed, and an arrow will appear on the
display, marking each affected pin.
Turn off the power to the Amiga. Check the marked pins to see if any are curled
under or not completely installed. If you find a bent pin, remove the chip, carefully
straighten the pin and replace the chip.
@ total failure on chip—The chip will be listed and marked with an X on the display.
Turn off the power to the Amiga. Make sure that the chip is not inserted
backwards. Check pins 3, 4, 10, 16, 17, and 20 to see if they are bent or not
fully inserted. If this does not resolve the problem, replace the chip.
2. Unique address test
A unique address test failure will display one of two errors:
e bad address pin—The chip will be listed, and an arrow will appear on the display,
marking each affected pin.
Turn off the power to the Amiga. Check the marked pins to see if any are curled
under or not completely installed. If you find a bent pin, remove the chip, carefully
straighten the pin and replace the chip.
@ RAM fails—The system will list the failing bank of RAM chips.
Contact an authorized Commodore Service center.
3. Interbank addressing test
If an interbank failure occurs, contact an authorized Commodore service center.
If the test reports that no A2091 memory is found, make sure that the memory size
jumper on the A2091 card is set to the correct size.
Run the RAM Test again to see if the problem has been corrected. If you cannot
resolve a problem, contact an authorized Commodore service center.
Makonoornis MEENA
For a full description of MakeBootDisk please refer to Kickstart 1.2 Users on page
3-18.