Bios Errors And Warnings; Dimm Installation Guidelines - HP Z220 SFF Maintenance And Service Manual

BIOS errors and warnings

The BIOS generates warnings/errors on invalid memory configurations:
If the BIOS can find a valid memory configuration by disabling plugged-in memory, it does so and
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reports a warning during POST. the workstation can still be started. The warning will indicate the
location of the failed DIMM on the system board.
If there is no way for the BIOS to obtain a valid memory configuration by disabling plugged-in
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memory, the BIOS halts with a diagnostics 2006 code for memory error (five beeps and blinks).

DIMM installation guidelines

Install only HP-approved DDR3 DIMMs
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CAUTION:
workstation. Because third-party DIMMs might not be electrically or thermally compatible, they are
not supported by HP.
Install only HP-approved DDR3 DIMMs. See
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that are compatible with the workstation.
Do not intermix DIMMs of different technologies. ECC Unbuffered DIMMs (UDIMMs), Registered
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DIMMs (RDIMMs), and Load Reduced DIMMs (LRDIMMs) are supported on HP Z series
Workstations.
supported on each platform.
CAUTION:
damage, align these guides properly when installing DIMMs.
102 Chapter 3 Component Replacement Information and Guidelines
HP ships only DIMMs that are electrically and thermally compatible with this
Supported DIMM configurations on page 101
DIMMs and their sockets are keyed for proper installation. To prevent socket or DIMM
http://www.hp.com/go/quickspecs
specifies which technologies are
to find DIMMs