[ACPI] dell inspiron 8600 not working

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Hi all,

I've got n inspiron 8600 and can't get sleep/susped to disk/ram
working. well can't control fans too, but I don't care that much atm.

I've googled for more than a week now, tryed everything I found (but for
kernel upgrade to 2.6). Info I got was generally outdated or incomplete, or
about different bios/kernel version, and I haven't been able to find the
"working combo" (if it exists). I read about DSDT patching too, but
didn't understand if I need that or not, than DSDT available are for
bios A03. should I downgrade?
I've also read about possible problems between nvidia cards and ACPI,
but here too didn't fully understand the question and what I should
do/check.

Hope you can help me out with this thing,

tia.

Spike

--- SYSTEM DETAILS -----

BIOS: A06

kernel: 2.4.26 (from kernel.org, no patch applyed)

dmesg | grep -i acpi:
ACPI: RSDP (v000 DELL                                      ) @ 0x000fdf00
ACPI: RSDT (v001 DELL    CPi R   0x27d4031f ASL  0x00000061) @ 0x1fff0000
ACPI: FADT (v001 DELL    CPi R   0x27d4031f ASL  0x00000061) @ 0x1fff0400
ACPI: DSDT (v001 INT430 SYSFexxx 0x00001001 MSFT 0x0100000e) @ 0x00000000
ACPI: Subsystem revision 20040326
ACPI: IRQ9 SCI: Edge set to Level Trigger.
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: System [ACPI] (supports S0 S1 S3 S4bios S4 S5)
ACPI: PCI Root Bridge [PCI0] (00:00)
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 9 10 *11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 5 7)
ACPI: PCI Interrupt Link [LNKC] (IRQs 9 10 *11)
ACPI: PCI Interrupt Link [LNKD] (IRQs 5 7 9 10 *11)
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.AGP_._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIE._PRT]
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
ACPI: PCI Interrupt Link [LNKH] enabled at IRQ 11
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
PCI: Using ACPI for IRQ routing
PCI: if you experience problems, try using option 'pci=noacpi' or even
'acpi=off'
ACPI: AC Adapter [AC] (on-line)
ACPI: Battery Slot [BAT0] (battery present)
ACPI: Battery Slot [BAT1] (battery absent)
ACPI: Lid Switch [LID]
ACPI: Power Button (CM) [PBTN]
ACPI: Sleep Button (CM) [SBTN]
ACPI: Processor [CPU0] (supports C1 C2 C3, 7 performance states, 8
throttling states)
ACPI: Thermal Zone [THM] (30 C)

cat /proc/acpi/info 
version:                 20040326
states:                  S0 S1 S3 S4 S4Bios S5

lspci:
0000:00:00.0 Host bridge: Intel Corp. 82855PM Processor to I/O Controller (rev 03)
0000:00:01.0 PCI bridge: Intel Corp. 82855PM Processor to AGP Controller (rev 03)
0000:00:1d.0 USB Controller: Intel Corp. 82801DB (ICH4) USB UHCI #1 (rev 01)
0000:00:1d.1 USB Controller: Intel Corp. 82801DB (ICH4) USB UHCI #2 (rev 01)
0000:00:1d.2 USB Controller: Intel Corp. 82801DB (ICH4) USB UHCI #3 (rev 01)
0000:00:1d.7 USB Controller: Intel Corp. 82801DB (ICH4) USB2 EHCI Controller (rev 01)
0000:00:1e.0 PCI bridge: Intel Corp. 82801BAM/CAM PCI Bridge (rev 81)
0000:00:1f.0 ISA bridge: Intel Corp. 82801DBM LPC Interface Controller (rev 01)
0000:00:1f.1 IDE interface: Intel Corp. 82801DBM (ICH4) Ultra ATA Storage Controller (rev 01)
0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801DB (ICH4) AC'97 Audio Controller (rev 01)
0000:00:1f.6 Modem: Intel Corp. 82801DB (ICH4) AC'97 Modem Controller (rev 01)
0000:01:00.0 VGA compatible controller: nVidia Corporation NV34M [GeForce FX Go 5200] (rev a1)
0000:02:00.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
0000:02:01.0 CardBus bridge: Texas Instruments PCI4510 PC card Cardbus Controller (rev 02)
0000:02:01.1 FireWire (IEEE 1394): Texas Instruments PCI4510 IEEE-1394 Controller
0000:02:03.0 Network controller: Intel Corp. PRO/Wireless LAN 2100 3B Mini PCI Adapter (rev 04)

nvidia packages
ii  nvidia-glx     1.0.5336-9     NVIDIA binary XFree86 4.x driver
ii  nvidia-kernel- 1.0.5336-9+spi NVIDIA binary kernel module for Linux 2.4.26
ii  nvidia-kernel- 1.0.5336-1     NVIDIA binary kernel module common files

from lilo.conf
append="acpi=on"

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