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Linux Compatibility: IBM ThinkPad A21m

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  • Linux Compatibility: IBM ThinkPad A21m

    This is an entry for Phoronix LCH. Feel free to comment on the Linux compatibility for the IBM ThinkPad A21m in this thread.

    IBM ThinkPad A21m



    Description: Old laptop.
    Hardware Notes: Everything works except the sound (alsa). But that is probably an issue with me, not with the laptop.

    lspci -v
    00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (rev 03)
    Flags: bus master, medium devsel, latency 64
    Memory at f8000000 (32-bit, prefetchable) [size=64M]
    Capabilities: [a0] AGP version 1.0

    00:01.0 PCI bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge (rev 03) (prog-if 00 [Normal decode])
    Flags: bus master, 66Mhz, medium devsel, latency 128
    Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
    I/O behind bridge: 00003000-00003fff
    Memory behind bridge: f4200000-f5ffffff
    Prefetchable memory behind bridge: 28000000-280fffff

    00:02.0 CardBus bridge: Texas Instruments PCI1450 (rev 03)
    Subsystem: IBM Thinkpad T20
    Flags: bus master, medium devsel, latency 168, IRQ 11
    Memory at 50000000 (32-bit, non-prefetchable) [size=4K]
    Bus: primary=00, secondary=02, subordinate=05, sec-latency=176
    Memory window 0: 20000000-21fff000 (prefetchable)
    Memory window 1: 22000000-23fff000
    I/O window 0: 00001400-000014ff
    I/O window 1: 00002400-000024ff
    16-bit legacy interface ports at 0001

    00:02.1 CardBus bridge: Texas Instruments PCI1450 (rev 03)
    Subsystem: IBM Thinkpad T20
    Flags: bus master, medium devsel, latency 168, IRQ 11
    Memory at 50100000 (32-bit, non-prefetchable) [size=4K]
    Bus: primary=00, secondary=06, subordinate=09, sec-latency=176
    Memory window 0: 24000000-25fff000 (prefetchable)
    Memory window 1: 26000000-27fff000
    I/O window 0: 00002800-000028ff
    I/O window 1: 00002c00-00002cff
    16-bit legacy interface ports at 0001

    00:03.0 Ethernet controller: 3Com Corporation 3c556B CardBus [Tornado] (rev 20)
    Subsystem: 3Com Corporation: Unknown device 6356
    Flags: bus master, medium devsel, latency 64, IRQ 11
    I/O ports at 1800 [size=256]
    Memory at f4101400 (32-bit, non-prefetchable) [size=128]
    Memory at f4101000 (32-bit, non-prefetchable) [size=128]
    Expansion ROM at 28100000 [disabled] [size=128K]
    Capabilities: [50] Power Management version 2

    00:03.1 Communication controller: 3Com Corporation Mini PCI 56k Winmodem (rev 20)
    Subsystem: 3Com Corporation: Unknown device 6159
    Flags: medium devsel, IRQ 11
    I/O ports at 2000 [size=256]
    Memory at f4101c00 (32-bit, non-prefetchable) [size=256]
    Memory at f4101800 (32-bit, non-prefetchable) [size=128]
    Capabilities: [50] Power Management version 2

    00:05.0 Multimedia audio controller: Cirrus Logic CS 4614/22/24 [CrystalClear SoundFusion Audio Accelerator] (rev 01)
    Subsystem: IBM: Unknown device 0153
    Flags: bus master, slow devsel, latency 64, IRQ 11
    Memory at f4100000 (32-bit, non-prefetchable) [size=4K]
    Memory at f4000000 (32-bit, non-prefetchable) [size=1M]
    Capabilities: [40] Power Management version 2

    00:07.0 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 02)
    Flags: bus master, medium devsel, latency 0

    00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01) (prog-if 80 [Master])
    Flags: bus master, medium devsel, latency 64
    I/O ports at 1c00 [size=16]

    00:07.2 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB (rev 01) (prog-if 00 [UHCI])
    Flags: bus master, medium devsel, latency 64, IRQ 11
    I/O ports at 1c20 [size=32]

    00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03)
    Flags: medium devsel, IRQ 9

    01:00.0 VGA compatible controller: ATI Technologies Inc Rage Mobility P/M AGP 2x (rev 64) (prog-if 00 [VGA])
    Subsystem: IBM ThinkPad A20m
    Flags: bus master, stepping, medium devsel, latency 66, IRQ 11
    Memory at f5000000 (32-bit, non-prefetchable) [size=16M]
    I/O ports at 3000 [size=256]
    Memory at f4200000 (32-bit, non-prefetchable) [size=4K]
    Expansion ROM at 28000000 [disabled] [size=128K]
    Capabilities: [50] AGP version 1.0
    Capabilities: [5c] Power Management version 1

    cat /proc/cpuinfo
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 8
    model name : Pentium III (Coppermine)
    stepping : 6
    cpu MHz : 797.146
    cache size : 256 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse
    bogomips : 1595.40
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