IBM 201 manual Symptom

Table 15. POST beep codes (continued)

Symptom		FRU/action
One Long and Two Short		1. Video adapter (if present)
Beeps
		2. System board
Two Long and Two Short		Video adapter
Beeps
Table 16. POST no-beep codes
No Beep Symptom	FRU/action
No beep and the system	1.	Check speaker cables
operates correctly.	2.	Speaker
	3.	System board
No Beeps occur after	1. Run Configuration/Setup, set the Start Options
successfully completing
		Power-On Status to enable.
POST (The Power-On
	2.	Check speaker connections
Status is disabled.)
	3.	System board
No AC power(Power	1. Check the power cord.
supply AC LED is off)
	2. Power supply (If two are installed, swap them to determine if
		one is defective.)
	3.	Power backplane
	4. Hot-swap power AC inlet box
No beep and no video	See the Hardware Installation Guide.
System will not	See the Hardware Installation Guide
power-up(Power supply
AC LED is on)

Appendix C. Engine POST messages 91