HP Tc2110 hp server tc2110 operation and maintenance guide (online version 1.1 - Page 76

Processor Problems, Memory Problems, The HP Server tc2110 only supports HP 168-pin, PC 133 133 MHz - server memory upgrade

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Chapter 6 Maintenance and Troubleshooting If a SCSI device does not work after installation, do the following: 1. If using a single channel SCSI controller for external devices, make sure not internal devices are connected on the internal channel of the SCSI controller. HP does not support using both internal and external connections on a single-channel controller, and a second SCSI controller board must be purchased for use with the external SCSI device. 2. Verify the SCSI BIOS is being executed properly. The internal and external SCSI device controllers display a banner during startup. The BIOS then checks for valid devices on the SCSI bus, and reports which devices are found. If the SCSI devices are installed and configured correctly, a list confirming the devices will banner on POST after the controller banners. 3. Verify the switch settings on the SCSI device/s are correct. 4. Verify each SCSI device is assigned a unique SCSI ID. 5. Ensure no SCSI device is set to SCSI ID 7. This SCSI address is generally used by the SCSI controller. 6. Ensure all installed SCSI controllers are configured correctly. 7. If the SCSI devices installed in an external connected to the HP Server operate in Ultra SCSI or FAST SCSI mode, this may cause a problem. The SCSI controller board and the internal SCSI devices normally provided with the HP Servers operate in Ultra 160 SCSI mode. The external SCSI devices may be slowing down or causing the internal SCSI controller board to be ineffective and therefore nonoperational. 8. Check the SCSI cables for problems that may be caused by any recent HP Server maintenance, hardware upgrades, or physical damage. 9. Check the system BIOS version to ensure it is the most recently issued version. The most recent version is listed on HP's website. 10. Verify the SCSI bus is terminated at both ends. By default, HP Server SCSI controllers in external enclosures are terminated. When a device is connected to a connector on the SCSI bus, bus termination for that connector is disabled. Verify the last device on the bus is terminated NOTE Some tape drives do not banner on POST but will show up in the SCSI BIOS Utility for the controller and in the operating system. Contact the HP Customer Support Center for further troubleshooting assistance before replacing any parts. Processor Problems Contact the HP Customer Support Center for further troubleshooting assistance before replacing any parts and if it appears that the HP Server tc2110 might be having a processor issue. Memory Problems NOTE The HP Server tc2110 only supports HP 168-pin, PC 133 (133 MHz), 3.3V, unbuffered, ECC SDRAM DIMMS The memory modules used for the HP Server tc2110 are DIMMS. 1. Review the troubleshooting checklist from this manual before you continue. 2. If memory problems are being experienced, power the HP Server off and on gracefully. This performs a "cold" restart rather than a "warm" restart by doing a CTRL-ALT-DELETE. 3. Verify that all the DIMMS are HP DIMMS. 4. Verify that all the DIMMS are the correct HP DIMMS for this particular HP Server. 5. Verify that all the memory is counted during the Power On Self Test (POST). 6. Run the HP DiagTools memory test. 70

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Chapter 6
Maintenance and Troubleshooting
If a SCSI device does not work after installation, do the following:
1.
If using a single channel SCSI controller for external devices, make sure not internal devices are
connected on the internal channel of the SCSI controller. HP does not support using both internal and
external connections on a single-channel controller, and a second SCSI controller board must be
purchased for use with the external SCSI device.
2.
Verify the SCSI BIOS is being executed properly. The internal and external SCSI device controllers
display a banner during startup. The BIOS then checks for valid devices on the SCSI bus, and reports
which devices are found. If the SCSI devices are installed and configured correctly, a list confirming the
devices will banner on POST after the controller banners.
3.
Verify the switch settings on the SCSI device/s are correct.
4.
Verify each SCSI device is assigned a unique SCSI ID.
5.
Ensure no SCSI device is set to SCSI ID 7. This SCSI address is generally used by the SCSI controller.
6.
Ensure all installed SCSI controllers are configured correctly.
7.
If the SCSI devices installed in an external connected to the HP Server operate in Ultra SCSI or FAST
SCSI mode, this may cause a problem. The SCSI controller board and the internal SCSI devices
normally provided with the HP Servers operate in Ultra 160 SCSI mode. The external SCSI devices
may be slowing down or causing the internal SCSI controller board to be ineffective and therefore non-
operational.
8.
Check the SCSI cables for problems that may be caused by any recent HP Server maintenance,
hardware upgrades, or physical damage.
9.
Check the system BIOS version to ensure it is the most recently issued version. The most recent version
is listed on HP’s website.
10.
Verify the SCSI bus is terminated at both ends. By default, HP Server SCSI controllers in external
enclosures are terminated. When a device is connected to a connector on the SCSI bus, bus termination
for that connector is disabled. Verify the last device on the bus is terminated
NOTE
Some tape drives do not banner on POST but will show up in the SCSI BIOS Utility for
the controller and in the operating system.
Contact the HP Customer Support Center for further troubleshooting assistance before replacing any parts.
Processor Problems
Contact the HP Customer Support Center for further troubleshooting assistance before replacing any parts
and if it appears that the HP Server tc2110 might be having a processor issue.
Memory Problems
NOTE
The HP Server tc2110 only supports HP 168-pin, PC 133 (133 MHz), 3.3V, unbuffered,
ECC SDRAM DIMMS
The memory modules used for the HP Server tc2110 are DIMMS.
1.
Review the troubleshooting checklist from this manual before you continue.
2.
If memory problems are being experienced, power the HP Server off and on gracefully. This performs a
“cold” restart rather than a “warm” restart by doing a CTRL-ALT-DELETE.
3.
Verify that all the DIMMS are HP DIMMS.
4.
Verify that all the DIMMS are the correct HP DIMMS for this particular HP Server.
5.
Verify that all the memory is counted during the Power On Self Test (POST).
6.
Run the HP DiagTools memory test.
70