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When running XP, all is well. Header Type ‘non-bridge’ single-func Vendor: Option ROM not enabled by setting df[6], so the disks are not bootable. They certainly appear to be the same, I have replaced the orom inside the bios of the R3E and the device is now running in AHCI mode. You can use these HTML tags. The bytes that were changed here are x86 code that reads the PCI configuration register and does something with the value.

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Option ROM sets this to either 0xf1 or 0x Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build.

Could you pass on a link please of your setup? I replaced 3 bytes with b1 02 Change three instances of b1 02 to b1 So interesting – as in theory this controller should provide complete status information about any device connected but it seems this is not the case.


BTW i am trying to set ide mode so i simply changed the 3 instances of b1 to 91 trying to put sata interface into legacy mode and set the checksum.

JMicron JMB36X SATA Controller Driver Driver – TechSpot

Final configuration PATA not enabled because turning it on causes a hang during boot. All 3 seem to perform about the same, once a disk is actually running, but These configuration registers seem to control the hardware directly.

A JMicron-specific driver is available jmb3663 for Windows. Why do you want to avoid the on-board SATA controller?

The sum of all bytes in the file should be 0x What am I missing? I’m not surprised, expected the same result jmone wrote: I have two HDD conect.

Linux sets register 0x41 to 0xa1, while the option ROM will set it to pta or 0x The time now is Maybe can you please check if there is a firmware update available? Seems to take values of 0xc2 or 0x Header Type ‘non-bridge’ single-func Vendor: Problems Only modifying register df[1: Style designed by Artodia.

My computer is dual boot, XP and Windows 7. Is this correct or do I need to send some logs etc? You can download 1. I even tried running under admin dirrectly but no difference.


Missing HDD on 2nd Sata Controller • Hard Disk Monitoring

Sanvean Windows 7 Professional 64 posts Northwestern Pennsylvania. I made changes at three locations: The second part of the problem is to modify the option ROM given you already know how to configure the jmicrin.

You know if it is possible?. Register Function 43 Defaults to 0x Thanks for your attention and the report! I speculate its purpose is to disable the option ROM, allowing the main BIOS to set up the rest of the device configuration without interference. This changes mov cl, 0x02 to mov cl, 0x When running XP, all is well.