If the hard drive is there, chances are that it went bad.
Go to the 1400 and see what OS is it running on. If it is running System 7, you might be in luck. the Duo 230 uses a 68030 CPU, not a PowerPC that the 1400 uses but System 7 can run on both.
Go to the 1400 and see what OS is it running on. If it is running System 7, you might be in luck. the Duo 230 uses a 68030 CPU, not a PowerPC that the 1400 uses but System 7 can run on both.