ECC capability and ACPI warnings

[CyberLeo Kitsana]

Hi!

Is there any way, by poking through dmesg or sysctls, to determine if a
machine has, or is capable of using, ECC RAM?

Also, is there an easy way to silence the following warnings in dmesg?
They all appear to be about the serial and parallel ports, which, as far
as I know, the machine does have. They may not be enabled in the BIOS,
however.

acpi0: <PTLTD   RSDT> on motherboard
    ACPI-0438: *** Error: Looking up [Z00Q] in namespace, AE_NOT_FOUND
SearchNode 0xc4b47040 StartNode 0xc4b47040 ReturnNode 0
    ACPI-1304: *** Error: Method execution failed
[\\_SB_.PCI0.ISA_.SIO_.COM1._STA] (Node 0xc4b47040), AE_NOT_FOUND
    ACPI-0438: *** Error: Looking up [Z00Q] in namespace, AE_NOT_FOUND
SearchNode 0xc4afdce0 StartNode 0xc4afdce0 ReturnNode 0
    ACPI-1304: *** Error: Method execution failed
[\\_SB_.PCI0.ISA_.SIO_.COM2._STA] (Node 0xc4afdce0), AE_NOT_FOUND
    ACPI-0438: *** Error: Looking up [Z00Q] in namespace, AE_NOT_FOUND
SearchNode 0xc4afdae0 StartNode 0xc4afdae0 ReturnNode 0
    ACPI-1304: *** Error: Method execution failed
[\\_SB_.PCI0.ISA_.SIO_.LPT_._STA] (Node 0xc4afdae0), AE_NOT_FOUND

Thanks!

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