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  • One core functional of dual core?

    My Asus 1015PX netbook is slow offline and online. It has an Atom N570 dual core processor. However, diagnostic tests detect four processors which is very confusing. Does my netbook have an extra processor or is functioning on only one core? Diagnostic tools could detect only core, not two. Only detected almost complete information on cpu0, gave little information on cpu1 and gave no information on cpu2 and cpu3. Cpu1 is partially functioning on a extremely limited level. Cpu2 and cpu3 are not functional.

    HARDWARE DETECTION TOOL IN PARTED MAGIC

    Main Processor (4 logical/4 physical)
    CPU cores: 1
    CPU enabled: 2
    CPU threads: 4
    L1 cache 0K + 0K (I + D)
    L2 cache 512k

    (Hardware Detection Tool detected only one core, whereas N570 has two cores. Hardware Detection Tool detected two enabled CPUs whereas there should be 4. L1 cache is zero.)

    Diagnostic test by Lightweight Portable Security LPS-1.3.6_public_deluxe_20120914

    Bus info Device Class Description

    =================================================
    system 1015PX (1015PX)
    bus 1015PE
    memory 64KiB BIOS

    cpu@0 processor Intel(R) Atom(TM) CPU N570 @ 1.66GHz

    memory 48KiB L1 cache
    memory 1MiB L2 cache
    processor Logical CPU
    processor Logical CPU
    processor Logical CPU
    processor Logical CPU
    memory 1GiB System Memory
    memory 1GiB DIMM Synchronous 667 MHz (1.5 ns)
    memory DIMM [empty]

    cpu@1 processor

    (Missing vendor ID and model name of cpu1)

    processor Logical CPU
    processor Logical CPU
    processor Logical CPU
    processor Logical CPU

    (Missing speed, system memory, memory cache and stats on performance for cpu1.)
    LSHW TOOL IN PARTED MAGIC LIVE CD

    *-cpu:0

    description: CPU
    product: Intel(R) Atom(TM) CPU N570 @ 1.66GHz
    vendor: Intel Corp.
    physical id: 4
    bus info: cpu@0
    version: 6.12.10
    serial: 0001-06CA-0000-0000-0000-0000
    slot: CPU 1
    size: 1GHz
    capacity: 1GHz
    width: 64 bits
    clock: 167MHz

    capabilities: x86-64 boot fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dtherm tpr_shadow vnmi flexpriority cpufreq

    (Capabilities is missing lm which should be between nx and constant.)

    (Capabilities has flags that are not preinstalled in Asus 1015PX that are posted at openbenchmarking.org: x86-64 boot, fpu_exception, wp, sep, dtherm and cpufreq. cpufreq_ondemand is a dynamic cpufreq governor for Low Latency Frequency Tranition capable processors.)

    configuration: cores=2 enabledcores=2 id=3 threads=4

    *-cache:0
    description: L1 cache
    physical id: 5
    slot: L1-Cache
    size: 48KiB
    capacity: 48KiB
    capabilities: internal write-back data

    *-cache:1
    description: L2 cache
    physical id: 6
    slot: L2-Cache
    size: 1MiB
    capacity: 1MiB
    capabilities: internal write-back unified

    *-logicalcpu:0
    description: Logical CPU
    physical id: 3.1
    width: 64 bits
    capabilities: logical

    *-logicalcpu:1
    description: Logical CPU
    physical id: 3.2
    width: 64 bits
    capabilities: logical

    *-logicalcpu:2
    description: Logical CPU
    physical id: 3.3
    width: 64 bits
    capabilities: logical

    *-logicalcpu:3
    description: Logical CPU
    physical id: 3.4
    width: 64 bits
    capabilities: logical

    *-memory
    description: System Memory
    physical id: 15
    slot: System board or motherboard
    size: 1GiB

    *-bank:0
    description: DIMM Synchronous 667 MHz (1.5 ns)
    product: ModulePartNumber00
    vendor: Manufacturer00
    physical id: 0
    serial: SerNum00
    slot: DIMM0
    size: 1GiB
    width: 64 bits
    clock: 667MHz (1.5ns)

    *-bank:1
    description: DIMM [empty]
    product: ModulePartNumber01
    vendor: Manufacturer01
    physical id: 1
    serial: SerNum01
    slot: DIMM1

    (Bank:1 is missing size, width and clock.)

    *-cpu:1
    physical id: 1

    (Missing vendor ID and model name of cpu1)

    bus info: cpu@1
    version: 6.12.10
    serial: 0001-06CA-0000-0000-0000-0000
    size: 1GHz
    capacity: 1GHz

    (Missing slot, width and clock of cpu1.)

    capabilities: vmx ht cpufreq

    (Capabilities is missing: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dts tpr_shadow vnmi flexpriority.

    (Capabilities has cpufreq which is not preinstalled. cpufreq_ondemand is a dynamic cpufreq governor for Low Latency Frequency Tranition capable processors.)

    configuration: id=3

    (Configuration is missing: number of cores, number of enabled cores and number of threads.)

    (Missing cache :0 and cache :1 of cpu1.)

    *-logicalcpu:0
    description: Logical CPU
    physical id: 3.1
    capabilities: logical
    *-logicalcpu:1
    description: Logical CPU
    physical id: 3.2
    capabilities: logical
    *-logicalcpu:2
    description: Logical CPU
    physical id: 3.3
    capabilities: logical
    *-logicalcpu:3
    description: Logical CPU
    physical id: 3.4
    capabilities: logical

    (Missing system memory, bank:0 and bank:1 for cpu:1)

    (Missing specifications of cpu2 and cpu3.)

    HARDINFO IN PARTED MAGIC

    Processor: 4x Intel(R) Atom(TM) CPU N570 @ 1.66 GHz

    (4x means ?)

    Intel(R) Atom(TM) CPU N570 @ 1.66GHz 1667.00MHz
    Intel(R) Atom(TM) CPU N570 @ 1.66GHz 1000.00MHz
    Intel(R) Atom(TM) CPU N570 @ 1.66GHz 1667.00MHz
    Intel(R) Atom(TM) CPU N570 @ 1.66GHz 1000.00MHz

    (Missing specifications on these processors.)
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