This changes mov cl, 0x02 to mov cl, 0x Johng1 Win7 home premium 64bit 6 posts. I want to boot an ide hd from a jmb card. I even tried running under admin dirrectly but no difference. Any help will be appreciated, John Gerard. 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. Sorry, forgot to update CRC.

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I think what you want is to change b1 02 to jmmb363 I tried modifying the option ROM to also configure register 0x to this value, but had many problems booting. Or is there any trick?

I had some help from the option ROM release noteswhich gave some hints as to what the PCI config registers do or at least, supposed to do after being interpreted by the option ROM. Jjicron help and support threads. There were problems with OSX with the first patch which is why the second one exists.

Only modifying register df[1: Is this correct or do I need to send some logs etc? All times are GMT Given my limited abilities to understand hex, I cannot locate where to apply the changes to.


JMicron JMB36X SATA Controller Driver Driver – TechSpot

Here is the link: Why can it controllerr. 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.

There is no entry in System that says anything like jmicron, etc. The hang does not occur if the option ROM is skipped by setting 0xdf[6], so I use 0xa1 to be closer to what Linux does, although I notice no other differences between 0xf1 and 0xa1.

Therefore, I chose to set register df[6] to cause the option ROM to quit without detecting drives. Can we get an update for firmware v1. Find Conrtoller Posts by Johng1.

Thanks, I know sometimes it is hard to find the best combination of devices and drivers and I try to help as much as possible. In no case did setting 0xdf[6] cause the JMB to become a multi-function device. Style designed by Artodia. Those three bytes used to be a function call to a function that would read a byte from the PCI configuration space register diand return the result in cl.

So yes, I wanted to recommend to try swapping the device s if possible as then the status of the SSD may be detected. Johng1 Win7 home premium 64bit 6 posts.


The time now is I want to use latest bios because it will be better 1. It would be great if you can test it.

JMicron JMB363 Add-on Card AHCI mode

The option ROM loads, correctly reports connected drives, and allows booting from them. Sorry, forgot to update CRC.

Many thanks for the modded ROM. At this point in the code, register cl should contain the byte read from PCI configuration register 0xdf. Which can be found here: The computer is a Dell with the Intel x chipset.

JMicron JMB Add-on Card AHCI mode « Blog

Thanks for your attention and the report! The release notes hints at the existence of a newer 1. Can you work that changes at latest bios ver 1.

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