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# UltraStor Controller Stop Message Inaccessible Boot Device

Article ID: 106375

Article Last Modified on 11/1/2006

APPLIES TO

- Microsoft Windows NT Advanced Server 3.1
- Microsoft Windows NT Workstation 3.1

This article was previously published under Q106375

## SYMPTOMS

If you attempt to set up Windows NT 3.1 on an ESDI hard disk with the UltraStor 12f ESDI controller, you may receive the following STOP message:
Stop (hex dump)
Inaccessible_boot_device

## WORKAROUND

According to UltraStor, you must upgrade the firmware to version 28001-012 and the BIOS to version 38001-010.
To order these upgrades, call UltraStor Technical Support at (510) 623-8955. If you have an EPROM burner, you can also download the micro code images from the UltraStor BBS at (510) 623-9091.
The products included here are manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: prodnt blue trap

Keywords: kbhardware KB106375