Slaving HDD that has 3 pins only

Posted on 2002-07-03
Last Modified: 2008-02-01
My friend gave me a Quantum HDD 3.5" and I intend to install it as slave HDD. This HDD is a bit peculiar. It has only 3 pins as compare to the normal ones which are usually 4 pairs ie total 8 pins.
How do I place the jumper that has only 3 pins ?

Question by:hhheng
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LVL 31

Expert Comment

ID: 7126492
Read the full model number and go to and see if there is any info. There usually is...


Author Comment

ID: 7126639
Gone thru the website and can't find the model listed.
HDD explicitly display "Quantum fireball 3.5 series" ,  and also there is some cryptic description above the bar code, which says "1280AT TM12A012 REV 01-D AGB.24". Any idea what this is ?

LVL 31

Accepted Solution

rid earned 50 total points
ID: 7126681

Is this the one?
Go trough manufacturer (Quantum) and Fireball (first part) and see if this is the drive.


Author Comment

ID: 7126854
This HDD is really very old. According to website info, it was manufactured in 1996. The nearest model is FIREBALL TM 1707 AT. I now realised that the 3 pin is for +5VDC power point and not jumper setting. I found the jumper setting located on the HDD PCB which is contrary to present day drives, which is located between IDE cable connector and the 4 pin power connector.

Thanks to you, RID


LVL 31

Expert Comment

ID: 7128033
The smaller power connectors were sometimes used in "Laptops" of that day, the "lunch box" style machines. Some of them used 3,5" drives.


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