IBM 8490, 8485 manual Components, depending on

Table 2. 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 Problem Determination and Service Guide 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
178x	Fixed disk error.	1. Run the hard disk drive
	Note: x is the drive that has the
			diagnostic tests on drive x (see
	error.
			“Running the diagnostic
			programs” in the Problem
			Determination and Service
			Guide on the IBM xSeries
			Documentation CD).
		2.	Reseat the following
			components, depending on the
			server model:
			v Hot-swap models:
			a. Hard disk drive x
			b. Mini-PCI-X adapter cable
			c. Mini-PCI-X adapter
			d. PCI-X expansion card
			v Simple-swap models:
			a. Hard disk drive x
			b. Hard disk drive x cable
			v Non-hot-swap models: hard
			disk drive x cable
		3.	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 x
			b. Mini-PCI-X adapter cable
			c. SAS backplane
			d. Mini-PCI-X adapter
			e. PCI-X expansion card
			v Simple-swap and
			non-hot-swap models:
			a. Hard disk drive x
			b. Hard disk drive x cable
		4.	(Trained service technician
			only) Replace the system
			board.

Chapter 5. Solving problems 55