First the end is always master while the middle is set to slave with optical drives. They are usually more fussy then ide hard drives depending on the board. In prebuilt systems the cable select position is used on hard drives there often. Drives generally are shipped set to cable select.
The specifications show that board has two not simply one ide connector on the board. You could try mastering the drive on the second slot to see how things go there. The Primary ide slave points to a drive on the middle connector on the primary ide channel.
With the drive mastered at the end you should be seeing Primary master rather then that on the post screen. That's why the idea now would be trying it on the secondary to see if the board has a bad slot since drives and cables have been ruled out.
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