HP Z220, Z420, Z620, and Z820 Workstations Microsoft® Windows® XP Installation Reference Guide

4
Device Manager shows an "Unknown Device"
OS Version: Microsoft
®
Windows
®
XP Pro (32 bit)
HP Workstation Models: Z420, Z620, Z820
Observation: Device Manager shows an "Unknown Device" with Device ID: ACPI\ACPI0004\CPUSCK0 ( and CPUSCK1 on dual-CPU
systems).
Comments: The condition does not affect system performance.
Resolution: Upgrade system to BIOS 1.07
Wake on USB with Keyboards and Mice
OS Version: Microsoft
®
Windows
®
XP Pro (32 bit)
HP Workstation Models: Z420, Z620, Z820
Observation: System does not wake up on USB activity from Keyboards and Mice
Resolution: Connect keyboards and or mice to USB 3.0 ports
ReadFile failure on 1394 HDDs during heavy system stress
OS Version: Microsoft
®
Windows
®
XP Pro (32 bit)
HP Workstation Models: Z420, Z620, Z820
Observation: An error may occur when reading from 1394 HDD when connected to the onboard 1394A controller. "ReadFile Failure (1450) -
Insufficient system resources exist to complete the requested service.".
Comments: This error will only occur under heavy system stress. The command is expected to complete without error if retried.
Resolution: Retry the command.
BSOD 0x0A or 0xF4 during Reboot
OS Version: Microsoft
®
Windows
®
XP Pro (32 bit)
HP Workstation Model: Z820
Observation: System may exhibit a BSOD 0x0A or 0xF4 when booting into Windows
®
after a reboot when both a 1394 HDD is connected and a
network cable is connected.
Resolution: Power cycle the system using the system power button on the front panel.
RAID Installations
Installing Operating System Directly to a RAID Array
OS Version : Microsoft
®
Windows
®
XP Pro x64
HP Workstation Models: Z420, Z620
Observation: Load failures may occur when installing Microsoft
®
Windows
®
XP Pro x64 directly onto a RAID array.
Solution: Install to a non-RAID drive, install QFE 932755 and then build the Array.