kernel panics
are caused by various things
here a
list and never eliminate anything before you are not 100%sure (like your ram , as its coincidentally started with kernel panics after you installed new ram i would start there , and only because windows runs doesn't mean conclude that your harddrive is fine, the only conclusion is that the windows partition is fine , and your macpro quad core ram you should look close at crucial website , because only because it fits in doesnt mean its working with a Mac , but might well work with the windows side of your mac
* Maximum Memory: 32768MB
* Slots: 8 (4 banks of 2)
* Standard Memory: 2048MB removable
* USB Support: 2.x Compliant
* Installed in pairs of modules.
Q: What memory goes into my computer, and will a faster speed be backward-compatible?
A: DDR2 memory with support for DDR2 PC2-6400 speeds.
Q: How much memory can my computer handle?
A: 32768MB.
Adding the maximum amount of memory will improve performance and help extend the useful life of your system as you run increasingly demanding software applications in the future.
Q: Do I have to install matching pairs?
A: Yes.
Your system requires that you install memory in pairs.
Q: Does my computer support dual-channel memory?
A: No.
Your system does not support dual channel.
Q: Does my computer support ECC memory?
A: Yes.
Your system supports ECC. You can put non-ECC modules into an ECC system, but be sure not to mix ECC and non-ECC modules within a system. Install the same type of modules that are already in your system.
but as your optical drive isn't working i would just bring it to the next apple store yours is 2008 so you got still a year apple care left ...if you had been clever enough to buy it