HP DC5100 manual For systems with 4 Sata ports

POST Error Messages

Numeric Codes and Text Messages (Continued)

Code/Message Probable Cause Recommended Action

1794-Inaccessible devices attached to SATA 1 and/or SATA 3

(for systems with 4 SATA ports)

A device is attached to SATA 1 and/or SATA 3. Devices attached to these connectors will be inaccessible while “SATA Emulation” is set to “Combined IDE Controller” in Computer Setup.

1.If using Windows 2000 or Windows XP, change “SATA Emulation” to “Separate IDE Controller” in Computer Setup.

2.If not using Windows 2000 or Windows XP, relocate the affected devices to SATA 0 or SATA 2 (if available).

3.Remove the affected devices from SATA 1 and SATA 3.

1794-Inaccessible device attached to SATA 1

(for systems with 2 SATA ports)

A device is attached to SATA 1. Any device attached to this connector will be inaccessible while “SATA Emulation” is set to “Combined IDE Controller” in Computer Setup.

1.If using Windows 2000 or Windows XP, change “SATA Emulation” to “Separate IDE Controller” in Computer Setup.

2.If not using Windows 2000 or Windows XP, relocate the affected device to SATA 0 (if available).

3.Remove the affected device from SATA 1.

1796-SATA Cabling	One or more SATA
Error	devices are improperly
	attached. For optimal
	performance, the SATA 0
	and SATA 1 connectors
	must be used before
	SATA 2 and SATA 3.

Ensure SATA connectors are used in ascending order. For one device, use SATA 0. For two devices, use SATA 0 and SATA 1. For three devices, use SATA 0, SATA1, and SATA 2.

1800-Temperature	Internal temperature	1.	Check that computer air vents are not
Alert	exceeds specification.		blocked and the processor cooling
			fan is running.
		2.	Verify processor speed selection.
		3.	Replace the processor.
		4.	Replace the system board.

Troubleshooting Guide www.hp.com A–11