For anyone who hasn't updated to this yet, quite frankly I wouldn't bother, I upgraded 2 systems from 10.5.5 to 10.5.6 on my own (ga-p35-ds3l) I had to go back to kexts from 10.5.5 for bluetooth and usb, bluetooth just didn't work and usb was a little glitchy at times, on the other system (foxconn intel 945 chipset) I had to replace kexts for bluetooth and nvidia kexts for 7300le card as new kexts broke sleep.

For both systems I can honestly say the advantages of upgrading were zero, personally if I had known would have waited for the next update to fix this update which has been pretty shoddy compared to previous updates. Just my opinion, what's yours?

Thanx for making this post.... I have the same board ep35-ds3l
i had a feeling it wasn't worth it... and have read about all the problems people R having
But i haven't heard of any advantages to 10.5.6

For me, it doesn't matter.

USB isn't working on 10.5.4 aswell as 10.5.6.
Waiting for iPC PPF3

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Processor: AMD Phenom X4 9150e QuadCore 1.8GHz boxed | Mainboard: GigaByte GA-MA78GM-S2H (Rev. 1.1) | Memory: 4GB MDT AMD-Edition | Chipset: AMD® 780G + SB700 | Video: Integrated ATi® Radeon HD3200 | LAN: GigabitLAN, Realtek RTL8111C | Audio: ALC889A | Harddisk: Seagate Barracuda® 7200.10 3250410AS 250GB, SATA | DVD: LG Electronics GH22LS30, SATA | WLAN: LONGSHINE LCS 8131N1 | Bluetooth: ANYCOM USB-200 USB Adapter | OS: MacOS X v10.5.6 (Leo4Allv4.1) | Bootloader: Chameleon 1.0.12 | Kernel: Voodoo 9.5.0 Kernel (Rev A) | Case: Foxconn TW080 | PSU: SilverStone Nightjar ST30NF 300W

I was not impressed after reading about what the 5.6 update had to offer.

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MOBO: Z77MX-QUO-AOS CPU: Core i7 3770K GPU: MSI N760 TF 2GD5/OC Case: Modded MacPro2,1
Memory: 32GB Corsair Vengeance (CMY32GX3M4A1600C9) Wifi: Airport Extreme bcm94321MCA BIOS: HermitCrab Labs H3A.816M
Monitor: AOC Q2963Pm 29" WFHD 2560x1080 21:9
Interests: KDE on Apple Darwin, Keeping it real with the command line, Helping those that help themselves

I got to 10.5.6 and had major USB issues. Backtracked to 10.5.5

can i just reiterate something most usb issues are down to having a system kext that doesnt match the kernel eg kernel 9.5 = system kext 9.5 thats how it has to be and sorry if im telling everyone something they already know

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Yup I second that.

Type the following in Terminal to get your kernel version: Right click and select get info on system.kext in System/Library/Extensions/ to get its version.

If they don't match... make them match.

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MOBO: Z77MX-QUO-AOS CPU: Core i7 3770K GPU: MSI N760 TF 2GD5/OC Case: Modded MacPro2,1
Memory: 32GB Corsair Vengeance (CMY32GX3M4A1600C9) Wifi: Airport Extreme bcm94321MCA BIOS: HermitCrab Labs H3A.816M
Monitor: AOC Q2963Pm 29" WFHD 2560x1080 21:9
Interests: KDE on Apple Darwin, Keeping it real with the command line, Helping those that help themselves

im still on 10.5.2 because i seriously dont understand the point of going up to 10.5.6 i mean what are the benefits, ive been looking at logs and a majoirty just look like little security updates...

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iMac ::: Mac OS X 10.6.1 ::: Intel Core2Duo 2.93GHz ::: NVIDIA Geforce GT 120 256MB ::: 4GB DDR3 RAM

Milanca Project ::: Mac OS X 10.6.1 Retail ::: Vanilla Kernel ::: Intel Core2Quad Q6600 2.4GHz ::: NVIDIA GeForce 8600 GT 256MB ::: 4GB DDR2 RAM ::: GIGABYTE GA-EP35C-DS3R

Just to add on both systems I mentioned earlier, I'm using vanilla 9.6 kernel and system.kext
I still find them glitchy but I have a feeling that the glitchiness is some kind of bug caused by the new nvidia drivers, seems you can use old drivers and new usb kexts or old usb kexts and new drivers, but I could be wrong

Well I don't see difference between 10.5.5 and .6 but mostly it is security updates so..

10.5.6 caused me no trouble on retail with voodoo