Only lazy intel programmers corrections welcome. Posted June 25, Can you work that changes at latest bios ver 1. Sign In Sign Up. 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.

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Posted June 23, Can you work that changes at latest bios ver 1. Sorry, forgot to update CRC. Can you work that changes at latest bios ver 1.

This changes mov cl, 0x02 to mov cl, 0x These configuration registers seem to control the hardware directly. They might be similar enough you could replace one with the other, but they also might not be.

JMicron JMB Add-on Card AHCI mode « Blog

Option ROM sets this to either 0xf1 or 0x With df[6] set, the option ROM does not detect any disks, despite spending several minutes. Thanks for your answers.

Since that worked I ran a jmicrln up to my hot-swap cage, so I can take a SATA drive jmicron hot plug slide it into the caddie and pop jmidron into the cage without opening my computer up I was using the internal headers, not eSATA.


I can use the wizard to safely remove it, but reconnecting doesn’t do anything unless I reboot. There won’t be any tray icon to do a safely remove hardware for the eSata disks. Sign up for a new account in our community. According to all official info on Gigabyte and Intel websites recent ICH based chipsets shoud support hot-plugging: Many kmicron for the modded ROM.

JMicron JMB363 Add-on Card AHCI mode

Hor the PCIe card never worked for me. It’s really upsets me when tech manufacturers claim a feature is present and working while it actually isn’t. The sum of all bytes in the file should be 0x Linux sets register 0x41 to 0xa1, while the option ROM will set it to 0xf1 or 0x A few seconds later autoplay popped up and it looked like windows treated it like I plugged in an external hard drive.

The bytes that were changed here are x86 code that reads the PCI configuration register and does something with the value. Posted August 26, edited. If so, I would start with the first patched ROM the one that sets df[1: Actually, there is only one sata connexion, not two.


Home Questions Tags Users Unanswered. Will just have to use the JMicron controller. Posted June 21, edited. Therefore, I chose to set register df[6] to cause the option ROM to quit without detecting drives. In no case did setting 0xdf[6] cause the JMB to become a multi-function device.

windows 7 – eSATA hotswap using Jmicron JMB controller – Super User

I want to boot an ide hd from a jmb card. According to this Tomshardware postthe JMicron JMB chipset supports hotplugging but the manufacturer’s drivers don’t. Stephen 1 3 9. I tried modifying the option ROM to also configure register 0x to this value, but had many problems booting. Posted January 27, Only modifying register df[1: Given my limited abilities to understand hex, I cannot locate where to apply the changes to.