Re: IBM Thinkpad G41 PCMCIA problems

From: Bjørn Mork
Date: Mon Feb 21 2005 - 04:51:47 EST


I think I might have a new datapoint to add to this discussion:
I've got a IBM Thinkpad T42 with 1 GB RAM. Never had any problems
with PCMCIA, but that's probably just because another PCI device has
been mapped into the hole in the BIOS memory map:

bjorn@obelix:~$ grep e820 /var/log/dmesg
BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
BIOS-e820: 000000000009f000 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000d2000 - 00000000000d4000 (reserved)
BIOS-e820: 00000000000dc000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000003ff50000 (usable)
BIOS-e820: 000000003ff50000 - 000000003ff67000 (ACPI data)
BIOS-e820: 000000003ff67000 - 000000003ff79000 (ACPI NVS)
BIOS-e820: 000000003ff80000 - 0000000040000000 (reserved)
BIOS-e820: 00000000ff800000 - 0000000100000000 (reserved)

bjorn@obelix:~$ cat /proc/iomem
00000000-0009efff : System RAM
0009f000-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000cffff : Video ROM
000d0000-000d0fff : Adapter ROM
000d1000-000d1fff : Adapter ROM
000d2000-000d3fff : reserved
000e0000-000effff : Extension ROM
000f0000-000fffff : System ROM
00100000-3ff4ffff : System RAM
00100000-002d4013 : Kernel code
002d4014-00399f3f : Kernel data
3ff50000-3ff66fff : ACPI Tables
3ff67000-3ff78fff : ACPI Non-volatile Storage
3ff79000-3ff793ff : 0000:00:1f.1
3ff80000-3fffffff : reserved
40000000-403fffff : PCI CardBus #03
40400000-407fffff : PCI CardBus #03
40800000-40bfffff : PCI CardBus #07
40c00000-40ffffff : PCI CardBus #07
b0000000-b0000fff : 0000:02:00.0
b0000000-b0000fff : yenta_socket
b1000000-b1000fff : 0000:02:00.1
b1000000-b1000fff : yenta_socket
c0000000-c00003ff : 0000:00:1d.7
c0000000-c00003ff : ehci_hcd
c0000800-c00008ff : 0000:00:1f.5
c0000800-c00008ff : Intel 82801DB-ICH4
c0000c00-c0000dff : 0000:00:1f.5
c0000c00-c0000dff : Intel 82801DB-ICH4
c0100000-c01fffff : PCI Bus #01
c0100000-c010ffff : 0000:01:00.0
c0100000-c010ffff : radeonfb
c0200000-c020ffff : 0000:02:01.0
c0200000-c020ffff : e1000
c0210000-c021ffff : 0000:02:02.0
c0210000-c021ffff : ath
c0220000-c023ffff : 0000:02:01.0
c0220000-c023ffff : e1000
d0000000-dfffffff : 0000:00:00.0
e0000000-e7ffffff : PCI Bus #01
e0000000-e7ffffff : 0000:01:00.0
e0000000-e7ffffff : radeonfb
ff800000-ffffffff : reserved

bjorn@obelix:~$ lspci -vv -s 0:1f.1
0000:00:1f.1 IDE interface: Intel Corp. 82801DBM (ICH4) Ultra ATA Storage Controller (rev 01) (prog-if 8a [Master SecP PriP])
Subsystem: IBM: Unknown device 052d
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at <unassigned>
Region 1: I/O ports at <unassigned>
Region 2: I/O ports at <unassigned>
Region 3: I/O ports at <unassigned>
Region 4: I/O ports at 1860 [size=16]
Region 5: Memory at 3ff79000 (32-bit, non-prefetchable) [size=1K]



Bjørn
--
You have the lack of intelligence of a sadist.
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