Since the OP hasn't responded I'll attached the requested info since my T23 shows the same problems (I run Gnome instead of KDE):

$ uname -a > Linux xxx 2.6.20-16-generic #2 SMP Wed May 23 01:46:23 UTC 2007 i686 GNU/Linux

dmesg attached.

lspci-vvnn.log:

00:00.0 Host bridge [0600]: Intel Corporation 82830 830 Chipset Host Bridge [8086:3575] (rev 02)
	Subsystem: IBM ThinkPad A/T/X Series [1014:021d]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
	Latency: 0
	Region 0: Memory at d0000000 (32-bit, prefetchable) [size=256M]
	Capabilities: [40] Vendor Specific Information
	Capabilities: [a0] AGP version 2.0
		Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
		Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP+ GART64- 64bit- FW- Rate=x1

00:01.0 PCI bridge [0604]: Intel Corporation 82830 830 Chipset AGP Bridge [8086:3576] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
	Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 96
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
	Memory behind bridge: c0100000-c01fffff
	Prefetchable memory behind bridge: e0000000-ebffffff
	Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-

00:1d.0 USB Controller [0c03]: Intel Corporation 82801CA/CAM USB (Hub #1) [8086:2482] (rev 01) (prog-if 00 [UHCI])
	Subsystem: IBM ThinkPad A/T/X Series [1014:0220]
	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 4: I/O ports at 1800 [size=32]

00:1d.1 USB Controller [0c03]: Intel Corporation 82801CA/CAM USB (Hub #2) [8086:2484] (rev 01) (prog-if 00 [UHCI])
	Subsystem: IBM ThinkPad A/T/X Series [1014:0220]
	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 B routed to IRQ 11
	Region 4: I/O ports at 1820 [size=32]

00:1d.2 USB Controller [0c03]: Intel Corporation 82801CA/CAM USB (Hub #3) [8086:2487] (rev 01) (prog-if 00 [UHCI])
	Subsystem: IBM ThinkPad A/T/X Series [1014:0220]
	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 C routed to IRQ 11
	Region 4: I/O ports at 1840 [size=32]

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 41) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 0
	Bus: primary=00, secondary=02, subordinate=08, sec-latency=64
	I/O behind bridge: 00002000-00006fff
	Memory behind bridge: c0200000-cfffffff
	Prefetchable memory behind bridge: f0000000-f7ffffff
	Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-

00:1f.0 ISA bridge [0601]: Intel Corporation 82801CAM ISA Bridge (LPC) [8086:248c] (rev 01)
	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

00:1f.1 IDE interface [0101]: Intel Corporation 82801CAM IDE U100 [8086:248a] (rev 01) (prog-if 8a [Master SecP PriP])
	Subsystem: IBM ThinkPad A/T/X Series [1014:0220]
	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 01f0 [size=8]
	Region 1: I/O ports at 03f4 [size=1]
	Region 2: I/O ports at 0170 [size=8]
	Region 3: I/O ports at 0374 [size=1]
	Region 4: I/O ports at 1860 [size=16]
	Region 5: Memory at 30000000 (32-bit, non-prefetchable) [size=1K]

00:1f.3 SMBus [0c05]: Intel Corporation 82801CA/CAM SMBus Controller [8086:2483] (rev 01)
	Subsystem: IBM ThinkPad A/T/X Series [1014:0220]
	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-
	Interrupt: pin B routed to IRQ 5
	Region 4: I/O ports at 1880 [size=32]

00:1f.5 Multimedia audio controller [0401]: Intel Corporation 82801CA/CAM AC'97 Audio Controller [8086:2485] (rev 01)
	Subsystem: IBM ThinkPad T23 (2647-4MG) or A30/A30p (2652/2653) [1014:0222]
	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 B routed to IRQ 5
	Region 0: I/O ports at 1c00 [size=256]
	Region 1: I/O ports at 18c0 [size=64]

01:00.0 VGA compatible controller [0300]: S3 Inc. SuperSavage IX/C SDR [5333:8c2e] (rev 05) (prog-if 00 [VGA])
	Subsystem: IBM ThinkPad T23 (2647-4MG) [1014:01fc]
	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: 64 (1000ns min, 63750ns max), Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 11
	Region 0: Memory at c0100000 (32-bit, non-prefetchable) [size=512K]
	Region 1: Memory at e8000000 (32-bit, prefetchable) [size=64M]
	Region 2: Memory at e4000000 (32-bit, prefetchable) [size=64M]
	Region 3: Memory at e0000000 (32-bit, prefetchable) [size=32M]
	[virtual] Expansion ROM at e2000000 [disabled] [size=64K]
	Capabilities: [dc] Power Management version 2
		Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
	Capabilities: [80] AGP version 2.0
		Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA- ITACoh- GART64- HTrans- 64bit- FW- AGP3- Rate=x1,x2,x4
		Command: RQ=32 ArqSz=0 Cal=0 SBA- AGP+ GART64- 64bit- FW- Rate=x1

02:00.0 CardBus bridge [0607]: Texas Instruments PCI1420 [104c:ac51]
	Subsystem: IBM ThinkPad T23 (2647-4MG) [1014:023b]
	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: 168, Cache Line Size: 128 bytes
	Interrupt: pin A routed to IRQ 11
	Region 0: Memory at 50000000 (32-bit, non-prefetchable) [size=4K]
	Bus: primary=02, secondary=03, subordinate=06, sec-latency=176
	Memory window 0: f0000000-f3fff000 (prefetchable)
	Memory window 1: c4000000-c7fff000
	I/O window 0: 00002000-000020ff
	I/O window 1: 00002400-000024ff
	BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
	16-bit legacy interface ports at 0001

02:00.1 CardBus bridge [0607]: Texas Instruments PCI1420 [104c:ac51]
	Subsystem: IBM ThinkPad T23 (2647-4MG) [1014:023b]
	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: 168, Cache Line Size: 128 bytes
	Interrupt: pin B routed to IRQ 5
	Region 0: Memory at 51000000 (32-bit, non-prefetchable) [size=4K]
	Bus: primary=02, secondary=07, subordinate=07, sec-latency=176
	Memory window 0: f4000000-f7fff000 (prefetchable)
	Memory window 1: c8000000-cbfff000
	I/O window 0: 00002800-000028ff
	I/O window 1: 00002c00-00002cff
	BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
	16-bit legacy interface ports at 0001

02:02.0 Communication controller [0780]: Agere Systems WinModem 56k [11c1:0449] (rev 01)
	Subsystem: AMBIT Microsystem Corp. IBM ThinkPad T23 (2647-4MG) [1468:0410]
	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 (63000ns min, 3500ns max)
	Interrupt: pin A routed to IRQ 11
	Region 0: Memory at c0201000 (32-bit, non-prefetchable) [size=256]
	Region 1: I/O ports at 6440 [size=8]
	Region 2: I/O ports at 6000 [size=256]
	Capabilities: [f8] Power Management version 2
		Flags: PMEClk- DSI+ D1- D2+ AuxCurrent=0mA PME(D0-,D1-,D2+,D3hot+,D3cold+)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

02:08.0 Ethernet controller [0200]: Intel Corporation 82801CAM (ICH3) PRO/100 VE (LOM) Ethernet Controller [8086:1031] (rev 41)
	Subsystem: IBM ThinkPad A/T/X Series [1014:0209]
	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: 66 (2000ns min, 14000ns max), Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 11
	Region 0: Memory at c0200000 (32-bit, non-prefetchable) [size=4K]
	Region 1: I/O ports at 6400 [size=64]
	Capabilities: [dc] Power Management version 2
		Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
		Status: D0 PME-Enable- DSel=0 DScale=2 PME-

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Comment:  Something is really messed up with power management.  With Fiesty I cannot get suspend and resume to work right on any system I have.  This is a regression.