This has been tested and is know to work on the ASRock 939NF6G-VSTA motherboard.
Drive(s) are UDMA enabled, and fully working without i/o errors.
I have not tested this driver under leo, but it should work without problems.
Sources are not attached, if someone needs them, please pm me.
Here, some xbench results:
System Info Xbench Version 1.3 System Version 10.4.10 (8R2218) Physical RAM 1024 MB Model ACPI Drive Type Maxtor 6V200E0 Disk Test 66.80 Sequential 129.43 Uncached Write 135.91 83.45 MB/sec [4K blocks] Uncached Write 128.72 72.83 MB/sec [256K blocks] Uncached Read 117.43 34.37 MB/sec [4K blocks] Uncached Read 137.70 69.21 MB/sec [256K blocks] Random 45.02 Uncached Write 16.62 1.76 MB/sec [4K blocks] Uncached Write 111.64 35.74 MB/sec [256K blocks] Uncached Read 85.66 0.61 MB/sec [4K blocks] Uncached Read 124.17 23.04 MB/sec [256K blocks]
Please, report here ONLY if the drive is working or not (if you want to thank me, you'll find my paypal address in the firm )
I've fixed the driver because it was not handling atapi drive(s). The detection mechanism should be much fast now, however it will slow down a bit the boot process when trying to detect drive(s) on an empty channel. (i'll try to fix this in the next release).
This kext should also resolve the "still waiting for root device".
User with MCP55 chipset: please test this kext and report if it is working!
A little note: maybe native NCQ can be implemented on this driver. I'll look better at the sata_nv sources and try to implement it in the next (maybe last) version. Also, please note that this is just a challenge to me, and it's also probably that i'll never implement it in order to help other people with other drivers (eth, sound, etc).
I've re-fixed the driver. Some users where still not detecting sata and/or pata drives, so this version should solve some problems. Below, a list of device+vendor id for supported pata/sata chipsets by this kext:
PATA: 0x01bc10de 0x006510de 0x008510de 0x00d510de 0x00e510de 0x003510de 0x005310de 0x026510de 0x036e10de 0x03ec10de
SATA: 0x008e10de 0x00e310de 0x00ee10de 0x003610de 0x003e10de 0x005410de 0x005510de 0x026610de 0x026710de 0x037e10de 0x037f10de 0x03e710de 0x03f610de 0x03f710de 0x045c10de 0x045d10de 0x045e10de 0x045f10de
Know AHCI SATA enabled chipset device+vendor id: 0x044c10de 0x044d10de 0x044e10de 0x044f10d 0x055010de 0x055110de 0x055210de 0x055310de 0x056010de 0x055410de 0x058410de
Know AHCI PATA chipsets device+vendor id: 0x056010de 0x056010de 0x056c10de 0x075910de
If your chipset is in the "Know AHCI SATA enabled chipsets" then you CANNOT USE THIS KEXT!
If your chipset is in the "Know AHCI PATA enabled chipsets" then you can try to use this kext for the pata handling, but this is not tested, so try at your own risk!
If you have a device/vendor id that isn't in this list, please send me a pm.
Source released to the public.
NOTE: This project is far from being finished. I'm planning to separate the sata part from the pata, add ncq support, add raid support, maximize performances, ecc ecc.
However, i've little spare time, so don't start asking: "when we'll have xxx/yyy/zzz?"
Attached a kext (AppleNForceATA.kext.TEST.zip) that should fix the "sam multimedia error" on sata dvd drives.
Please, report if there are issues with pata drives (either hd or dvds).