Amiga 500 won't detect expansion/hard drive

[TomJ]

All the jumpers must be set correctly for power(innternal and external)  whether the board is in or not, ect.
Let me know exactly how it is set up.
I believe with the hard drive and the ram on my scsi i needed the external power for it to work. I no longer have the ram board I accidentally left it in a 3000 I traded. so I can't test it again I do have a manual and can tell you how to set the jumpers
after I get home from work.

[TomJ]

Will the Dataflyer boot without the Ram installed?

Is Workbench installed on the drive and which version?

What actual Rom do you have installed?

As far as the Hard drive I believe your partitions just need to be small  enough and if I am wrong I hope some will correct me(there may be a  size limit for the rom you are using).

Is there a readme file on the auto install disk?

If the ROM is a 1.3 you may have to put the auto install on  your  workbench boot disk. 2.0 and higher it will boot from the hard drive  when set up properly.

Are you sure you have 8 meg 1mX8 and 2Megs 256X8? At JP1 for at jumper is 4-5 for 8M
2-3 and 6-7 for 2M

JP-2 should be installed

JP-3 connect the middle pins

JP-4 connect pins 2 and 4

J-3 has a warning about damaging your system if the power is connected wrong.