Lenovo 6437, 6438, 6436, 6435 manual I9990301

Table 4. Abbreviated list of POST error codes (continued)

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Error code	Description	Action
I9990301	Hard disk drive boot sector error.	1.	Reseat the following
			components, depending on the
			server model:
			v Hot-swap models:
			a.	Hard disk drive
			b.	SAS/SATA controller
			v Simple-swap models:
			a.	Hard disk drive
			b. Hard disk drive cable
		2.	Replace the following
			components one at a time,
			depending on the server
			model, in the order shown,
			restarting the server each time:
			v Hot-swap models:
			a.	Hard disk drive
			b.	Hard disk drive
				backplane
			c.	SAS/SATA controller
			d.	(Trained service
				technician only) System
				board
			v Simple-swap models:
			a.	Hard disk drive
			b. Hard disk drive cable
			c.	(Trained service
				technician only) System
				board

Chapter 5. Solving problems 43