IBM 4910-33S Installation Guide - Page 53

Question: System does not boot when multiple USB CD/DVD-ROM drives are attached to the system simultaneously. How can I resolve this issue?, Question: Non-IBM Point of Sale USB keyboards do not function in BIOS POST/setup in certain configurations. How ca

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1. Power ON the system. 2. Press DEL to enter BIOS setup. 3. Enter the "Integrated Peripherals" menu. 4. Enter the "USB Configuration" menu. 5. Select the "USB Legacy Support" item. 6. Change the setting to "Full/Low Speed". 7. Press F10 to save settings and exit BIOS setup. 8. The BIOS should now recognize USB mass storage device and can be configured to boot. Question: System does not boot when multiple USB CD/DVD-ROM drives are attached to the system simultaneously. How can I resolve this issue? Answer: The IBM 4810-x4x BIOS only supports booting from a USB CD/DVD-ROM drive when one USB CD/DVD-ROM drive is attached to the system. The following configuration changes can be applied to allow the system to boot from the desired USB CD/DVD-ROM drive: v Remove the unneeded USB CD/DVD-ROM drive(s) from the system. When the desired USB CD/DVD-ROM is no longer required to be booted, all drives may be reattached to the system. However, BIOS setup must be changed to move the "CD-ROM" entry to appear below the "Hard Disk" entry in the BIOS setup boot priority list. v Move the "CD-ROM" entry in the BIOS setup boot priority list to appear below the "Hard Disk" entry. v Lower the USB legacy host controller connection speed to "Full/Low Speed". Note that this does not disable high speed USB for usage by the installed operating system. High Speed USB is only disabled for USB legacy boot support. 1. Power ON the system. 2. Press DEL to enter BIOS setup 3. Enter the "Integrated Peripherals" menu. 4. Enter the "USB Configuration" menu. 5. Select the "USB Legacy Support" item. 6. Change the setting to "Full/Low Speed". 7. Press F10 to save settings and exit BIOS setup. Question: Non-IBM Point of Sale USB keyboards do not function in BIOS POST/setup in certain configurations. How can I resolve this issue? Answer: The IBM 4810-x4x BIOS does not support non-IBM Point of Sale USB keyboards in BIOS POST/Setup in the following circumstances: v When the keyboard is attached to an external USB hub. v When the keyboard is attached to a USB SurePort. The following configuration changes can be applied to allow non-IBM Point of Sale USB keyboards to be used in BIOS POST/Setup: v Attach the Non-IBM Point of Sale USB keyboard device directly to a USB root port: - Front USB port - Standard USB ports on the rear panel of the system Chapter 14. Troubleshooting Models x4x 39

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1.
Power
ON
the system.
2.
Press
DEL
to enter BIOS setup.
3.
Enter the “Integrated Peripherals” menu.
4.
Enter the “USB Configuration” menu.
5.
Select the “USB Legacy Support” item.
6.
Change the setting to “Full/Low Speed”.
7.
Press
F10
to save settings and exit BIOS setup.
8.
The BIOS should now recognize USB mass storage device and can be
configured to boot.
Question: System does not boot when multiple USB
CD/DVD-ROM drives are attached to the system simultaneously.
How can I resolve this issue?
Answer:
The IBM 4810-x4x BIOS only supports booting from a USB
CD/DVD-ROM drive when one USB CD/DVD-ROM drive is attached to the system.
The following configuration changes can be applied to allow the system to boot
from the desired USB CD/DVD-ROM drive:
v
Remove the unneeded USB CD/DVD-ROM drive(s) from the system. When the
desired USB CD/DVD-ROM is no longer required to be booted, all drives may be
reattached to the system. However, BIOS setup must be changed to move the
“CD-ROM” entry to appear below the “Hard Disk” entry in the BIOS setup boot
priority list.
v
Move the “CD-ROM” entry in the BIOS setup boot priority list to appear below the
“Hard Disk” entry.
v
Lower the USB legacy host controller connection speed to “Full/Low Speed”.
Note that this does not disable high speed USB for usage by the installed operating
system. High Speed USB is only disabled for USB legacy boot support.
1.
Power
ON
the system.
2.
Press
DEL
to enter BIOS setup
3.
Enter the “Integrated Peripherals” menu.
4.
Enter the “USB Configuration” menu.
5.
Select the “USB Legacy Support” item.
6.
Change the setting to “Full/Low Speed”.
7.
Press
F10
to save settings and exit BIOS setup.
Question: Non-IBM Point of Sale USB keyboards do not function
in BIOS POST/setup in certain configurations. How can I resolve
this issue?
Answer:
The IBM 4810–x4x BIOS does not support non-IBM Point of Sale USB
keyboards in BIOS POST/Setup in the following circumstances:
v
When the keyboard is attached to an external USB hub.
v
When the keyboard is attached to a USB SurePort.
The following configuration changes can be applied to allow non-IBM Point of Sale
USB keyboards to be used in BIOS POST/Setup:
v
Attach the Non-IBM Point of Sale USB keyboard device directly to a USB root
port:
–
Front USB port
–
Standard USB ports on the rear panel of the system
Chapter 14. Troubleshooting Models x4x
39