Chinon FG-357 (NOT FZ...) Jumpers

[ahandyman59]

This drive is a bit of an oddity. I am looking for some help or guidance regarding configuring the drivers for use with any Amiga computers. If it handles Amiga high density, that's ok too, but I need more information regarding what jumpers do, specifically which ones change the drive number, etc...

It has 5 solder jumpers on the main circuit board. It has no jumpers on the back of the drive, but has a 2x6 set of pin on the right rear back corner (from the front of the drive), with some jumpers on it.

There is a matrix involving the solder jumpers, with a brief explanation.
JP 1 2 3 4 5
HD-OUT X X
HD-IN X
3-MODE X X
34A X X
34HD-OUT X X X

There Regarding the actual jumper block, there is very little. Just a box with no marked jumpers:
95 96
1 . . . .
. . . . . . 12

The drive currently has solder jumpers 4 and 5 closed. The others are open.

Based on the matrix above, pins 1 thru 6 on first row and 7 thru 12 on second row, the following jumpers pins 1 and 2, pins 4 and 5, pins 7 and 8.

I have searched the 'net and this webpage, but cannot find any details beyond one thread that never got a clear answer.

Any one have a resource or jumper chart for this?

[lesta_smsc]

The jumpers alone will not make this Amiga compatible as far as I'm aware. There were 2 variants. Those with "A" on the end were Amiga compatible and HD too!

[ahandyman59]

The FZ-357 is similar to this drive, yet it can be made completely 880k amiga compatible by setting jumpers correctly and making a solder jumper on J2 of the drives circuit board. I guess I'm hoping this is an earlier version that supports the same idea. I just did that fix on an FZ-357 I had sitting around and it works perfectly. I'm hoping for something similar, but need some kind of manual or some such that has what the jumpers do, both the solder jumpers and pin jumpers...