Leopard 10.5.7 falls to BSOD each 24 hours

[Izwerg]

I have 10.5.6 iDeneb 1.4 upgraded to 10.5.7 by iDeneb update on Samsung R70 A007 laptop. The hardware is:

- CPU: Core 2 Duo T7500

- Chipset: Intel 965PM Express ICH8M

- RAM: 4GB Kingston (non native modules)

- Video: NVIDIA GeForce 8600M GS 256MB

- Sound: Realtek ALC262

- Lan: Generic Marvell Yukon 88E8055 PCI-E Gigabit

- Wi-fi: Intel PRO/Wireless 3945ABG

 

All hardware works fine except wi-fi and cardreader.

 

The problem is that the system falls to BSOD after approximately 24-28 hours without reboot. No matter whether I'm working on the laptop or it's just torrenting, it falls to BSOD.

 

I tried various kernels: Vanilla, ANV, Voodoo, nothing helps. One time, I got the following error with ANV kernel:

With Vanilla, it just fills the screen with a shroud and says my computer needs reboot.

 

The hardware seems to be OK as I had used Windows Vista without problems before migrating to MacOS.

 

I've checked system log, there's no records related to BSOD.

 

Does anybody have an idea how to resolve this sad issue?

 

Thanks in advance.