Ok mkrishan, I did everything you told me to do. Still crashing. Here's the latest info after it crashed:
panic(cpu 0 caller 0x000A8B98): Uncorrectable machine check: pc = 0000000000538D0C, msr = 0000000000049030, dsisr = 0A000000, dar = 0000000002815200
AsyncSrc = 0000000000000000, CoreFIR = 0000000000000000
L2FIR = 0000000000000000, BusFir = 00000000fffc7000
Latest stack backtrace for cpu 0:
Backtrace:
0x00095544 0x00095A5C 0x0002683C 0x000A8B98 0x000A7E28 0x000ABB00
Proceeding back via exception chain:
Exception state (sv=0x33FDC780)
PC=0x00538D0C; MSR=0x00049030; DAR=0x02815200; DSISR=0x0A000000; LR=0x0053E308; R1=0x173B3CD0; XCP=0x00000008 (0x200 - Machine check)
Backtrace:
0x002CD468 0x0053E308 0x005383B8 0x0053ED24 0x0003C738 0x000A9694
Kernel loadable modules in backtrace (with dependencies):
com.apple.iokit.IOATAFamily(1.6.0f2)@0x532000
Exception state (sv=0x33FCD780)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
Kernel version:
Darwin Kernel Version 8.2.0: Fri Jun 24 17:46:54 PDT 2005; root:xnu-792.2.4.obj~3/RELEASE_PPC
Model: PowerMac3,1, BootROM 4.2.8f1, 1 processors, PowerPC G4 (2.6), 400 MHz, 1 GB
Graphics: ATY,Rage128, ATY,Rage128, AGP, 16 MB
Memory Module: DIMM0/J21, 512 MB, SDRAM, PC133-333
Memory Module: DIMM1/J22, 512 MB, SDRAM, PC133-322
Modem: Spring, UCJ, V.90, 3.0F, APPLE VERSION 0001, 4/7/1999
Network Service: Built-in Ethernet, Ethernet, en0
PCI Card: firewire, ieee1394, SLOT-B
Parallel ATA Device: ST3160023A, 128 GB
Parallel ATA Device: SONY DVD RW DW-Q28A,
USB Device: USB Receiver, Logitech, Up to 1.5 Mb/sec, 500 mA
USB Device: Hub in Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 500 mA
USB Device: Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 250 mA