Compaq dc7100 Troubleshooting Guide - Page 73
If using Windows 2000 or Windows, XP, change SATA Emulation
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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 Error One or more SATA 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 Alert Internal temperature exceeds specification. 1. Check that computer air vents are not 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