Compaq 177620-006, Compaq Evo Desktop manual Control Panel Computer, Hardware Reference Guide for

Post Error Messages

Numeric Codes and Text Messages

Code/Message	Beeps	Probable Cause	Recommended Action
163-Time & Date	2S*	Invalid time or date in	Reset the date and time under
Not Set		configuration memory.	Control Panel (Computer
		RTC (real-time clock)	Setup can also be used to
			update the RTC date and time).
		battery may need to
			If the problem persists, replace
		be replaced. Battery
			the RTC battery. See the
		life is approximately
			Hardware Reference Guide for
		3–5 years.
			instructions on installing a new
			battery, or contact your Compaq
			authorized dealer or reseller for
			RTC battery replacement.
		CMOS jumper may not	Check for proper placement
		be properly installed.	of the CMOS jumper if
			applicable.
164-Memory Size	2S*	Memory configuration	1. Run Computer Setup or
Error		incorrect.	Microsoft Windows utilities.
			2. Make sure your memory
			module(s) are installed
			properly.
			3. If third party memory has
			been added, test using
			Compaq-only memory.
			4. Verify proper memory
			module type.
183-Invalid	2S*	System board jumper	Reset system board jumpers
Processor		improperly set.	to match processor and bus
Jumper Setting			speeds (select models).

*L = Long, S = Short

Troubleshooting Guide A–3