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Configurations
Recommended configurations
HP recommends factory configurations of the preinstalled RAID offerings for the HP Compaq dc5850
Business PCs.
The preinstalled RAID offering is a RAID 1 volume of two identical SATA hard drives, and either two SATA
80GB/8MB cache, two SATA 160GB/8MB cache, or two SATA 250GB/8MB cache drives.
NOTE: HP Compaq dc5850 Business PCs support Microsoft Windows XP Professional Service Pack 2
(SP2), Microsoft Vista 32, and Microsoft Vista 64.
HP Compaq dc5850 Business PCs are based on the AMD RS780 and SB700 chipsets, which is a com-
bined hardware and software RAID solution. The SB700 mass storage controller operates in either IDE or
AHCI RAID mode. Changing the mode of the controller changes the PCI device ID and class code, requir-
ing different device drivers in most operating systems.
NOTE: HP recommends and only supports Microsoft’s IDE driver stack based on ATAPI.SYS and AMD driv-
ers for HP Compaq Business PC products, including all supported RAID configurations.
WARNING: The PCI Device ID of the mass storage controller changes after changing the BIOS “SATA
Emulation” Computer Setup option. Changing SATA Emulation from IDE mode to RAID mode is the equiv-
alent of connecting the hard drives to a new add-on RAID storage controller. The installed operating sys-
tem on the hard drive is unaware of this new mass storage controller. If the operating system does not
have the RAID drivers installed, the operating system will fail to boot. For example, Microsoft XP Profes-
sional (SP2) or Microsoft Vista will cause a blue screen and/or reboot when attempting to boot in RAID
mode without the RAID drivers installed.
HP Backup and Recovery interactions
After enabling and configuring RAID, restore the system using backup CDs. After completing the restore,
reinstall HP Backup and Recovery. These steps are necessary for the F11 restore to function properly.
Additional technical information will be provided in the future for customers who want to add RAID soft-
ware image deployment capabilities.
Before proceeding, follow the steps below to identify which version shipped with your system.
1. Click Start > Search.
2. Click All files and folders.
3. Type
supp*.ini in the name field.
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