Fujitsu 3000 Series Jumper Settings

Fujitsu 3000 Series Jumper Settings

Kenn's
Tech
Notes

19980406: Fujitsu 3000 Series Jumper Settings

April/1998
Tech Note #6

Technicians should be careful when installing the new Fujitsu 3000 series Enhanced IDE hard drives. These will have model numbers MPA3xxxAT and MPB3xxxAT. These drives ship with default jumper settings which will not work in any division systems. The default setting is "cable select" and this setting does not work unless you have a special drive cable, and we don't.

You must therefore set the drive correctly for master or slave. Please note also that while Fujitsu does not distinguish between "master" and "master with slave present", there are two different settings for master and two different settings for slave. The reason for this is that older BIOSes do not recognize drives greater than 2 GB. In order to use these drives with an older BIOS, you must use the legacy jumper settings, which will set the drive type to 2 GB.

With the hard drive upside down (ie. circuit board up) the drive selection pins are numbered as follows:
2 4 6
1 3 5

The drive comes with 2-4 and 3-5 jumpered. This is the "cable select" mode. Do not use this setting!

On boards with new BIOSes, which recognize drives larger than 2 GB, use these settings:
Master: 1-2 and 3-5 jumpered.
Slave: 3-5 jumpered.

On boards with older BIOSes, use these settings:
Master: 1-2 and 5-6 jumpered.
Slave: 5-6 jumpered.

This information, including diagrams, is available on the instruction sheet packaged with the hard drive, or from Fujitsu's web site.


DISCLAIMER: This document is intended for the reference of computer support personnel within Winnipeg School Division No. 1. There is no warranty or liability if procedures recommended here have an adverse affect on any systems. Use them at your own risk. Any trademarks mentioned are the property of their owners, none of whom have certified any information provided here. Opinions expressed here are personal only and do not represent the policy of Winnipeg School Division No. 1 or any other organization anywhere.


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