Troubleshooting
Problem
In some situations, changes to the boot sequence may not work when the Universal Serial Bus (USB) optical disk drive (ODD), floppy disk drive (FDD), and the Storage boot options are added without making changes to the first boot device. For example, ifusing the following boot sequence and only USB FDD has bootable device installed PXE Network Hard drive-SATA Port2 USB Storage USB ODD USB FDD The system should boot to USB FDD. But sometimes the system cannot boot to USB FDD.
Resolving The Problem
Source
RETAIN tip: H205384
Symptom
In some situations, changes to the boot sequence may not work when the Universal Serial Bus (USB) optical disk drive (ODD), floppy disk drive (FDD), and the Storage boot options are added without making changes to the first boot device.
For example, if using the following boot sequence and only USB FDD has bootable device installed
|
The system should boot to USB FDD. But sometimes the system cannot boot to USB FDD.
Affected configurations
The system may be any of the following IBM servers:
- iDataPlex dx360 M4 2U chassis, type 7913, any model
- iDataPlex dx360 M4 server, type 7912, any model
This tip is not software specific.
This tip is not option specific.
The following system BIOS or UEFI level(s) are affected:
- TDE112DUS, version 1.00
Solution
This behavior will be corrected in a future release of Unified Extensible Firmware Interface (UEFI) version 1.01 or later.
The target date for this release is scheduled for second quarter 2012.
The file is or will be available by selecting the appropriate Product group, type of System, Product name, Product machine type, and operating system on IBM Support's Fix Central web page, at the following URL:
Workaround
Change the USB devices to the first boot option and then the system will boot to the USB devices as expected.
- Press F1 to access the UEFI setup menu.
- Select Boot Manager and change Boot Order.
- Select First Boot Option to change the USB devices.
Additional information
UEFI is mishandling the USB devices boot sequence. The symptom will be fixed by second quarter UEFI code release.
Document Location
Worldwide
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Document Information
Modified date:
30 January 2019
UID
ibm1MIGR-5089819