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