Sun Microsystems X4440, X4240, X4140 manual Hardware Error Handling Summary, Continued

TABLE D-1	Hardware Error Handling Summary		(Continued)
			Logged (DMI
			Log or SP
Error	Description	Handling	SEL)	Fatal?

PCI SERR,	System or parity
PERR	error on a PCI bus.

BIOS POST	The BIOS could not
Microcode	find or load the
Error	CPU Microcode
	Update to the CPU.
	The message most
	likely appears when
	a new CPU is
	installed in a
	motherboard with
	an outdated BIOS.
	In this case, the
	BIOS must be
	updated.

Sync floods on HyperTransport links, the	DMI Log	Fatal
machine resets itself, and error information	SP SEL
gets retained through reset.
The BIOS reports, A Hyper Transport
sync flood error occurred on last
boot, press F1 to continue.
The BIOS displays an error message, logs the	DMI Log	Non-fatal
error to DMI, and boots.

BIOS POST	CMOS contents	The BIOS displays an error message, logs the	DMI Log	Non-fatal
CMOS	failed the	error to DMI, and boots.
Checksum Bad	Checksum check.
Unsupported	The BIOS supports	The BIOS displays an error message, logs the	DMI Log	Fatal
CPU	mismatched	error, and halts the system.
configuration	frequency and
	steppings in CPU
	configuration, but
	some CPUs might
	not be supported.
Correctable	The CPU detects a	The CPU corrects the error in hardware. No	DMI Log	Normal
error	variety of	interrupt or machine check is generated by	SP SEL	operation
	correctable errors in	the hardware. The polling is triggered every
	the MCi_STATUS	half second by SMI timer interrupts, and is
	registers.	done by the BIOS SMI handler.
		The SMI handler logs a message to the SP
		SEL if the SEL is available, otherwise SMI
		logs a message to DMI. The BIOS's polling
		can be disabled through software SMI.
Single fan	Fan failure is	The Front Fan Fault, Service Action Required,	SP SEL	Non-fatal
failure	detected by reading	and individual fan module LEDs are lit.
	tach signals.

66 Sun Fire X4140, X4240, and X4440 Servers Diagnostics Guide • August 2008