To check the value of your configuration register from the rommon prompt enter the confreg command. Set the tcp ip information first and then type the ip address of the tftp server on your network.
Regarding with your router still being stuck in rommon mode you should be able to get back into router mode and out of rommon by using the following steps in rommon mode.
How to get into rommon mode in cisco router. You must configure the rommon mode of the router. Finally type the full name of the file you want to copy from the tftp server. As you can see from the output above the configuration register is set to a value that forces the router to go into the rommon mode each time it is reloaded.
Power cycle your router which should still bring you back to rommon mode. From the router that works copy the image into the pcmcia card. Insert the pcmcia card into the router in rommon mode and issue the boot command.