Windows 7 Professional Given my limited abilities to understand hex, I cannot locate where to apply the changes to. Find More Posts by Johng1. I want to boot an ide hd from a jmb card. Welcome to Windows 7 Forums. Blog Random stuff… Comments Posts.

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The computer is a Dell with the Intel x chipset. I am having a hard time installing the drivers.

Unfortunately, I do not know enough about hex editing to find where to patch. Find More Posts by Johng1. Find More Posts by Sanvean. Which can be found here: This seems to put the controller in AHCI mode.

JMicron JMB363 eSATA Controller Drivers

With df[6] set, the option ROM does not detect any disks, despite spending several minutes. I did not experiment with the values of these bits except for toggling bit 6.

Power, Voltage, Temperature, and Frequency. The second part of the problem is to modify the option ROM given you already know how to configure the chip.


JMicron JMB eSATA Controller Drivers JMB36X

Final configuration PATA not enabled because ssata it on causes a hang during boot. I replaced 3 bytes with b1 02 Both ports on Motherboard.

Change three instances of b1 02 jmifron b1 There were problems with OSX with the first patch which is why the second one exists. You know if it is possible?. If so, I would start with the first patched ROM the one that sets df[1: When running XP, all is well.

I am replacing an Adaptec SA card. Hard drive is SATA. Swta speculate its purpose is to disable the option ROM, allowing the main BIOS to set up the rest of the device configuration without interference. Register Function 43 Defaults to 0x Why do you want to avoid the on-board SATA controller? Register df[6] is sta by the option ROM code at offset 0x Skiprom works best for me in hackintosh.

There is indeed a checksum byte.


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. You can use these HTML tags. You can download 1. I want to create an AHCI patched verson of 1. The bytes b1 02 90 are two x86 instructions mov cl, 0x02; nop; See previous reply.

JMicron JMB363 Add-on Card AHCI mode

Many thanks for jm3b63 modded ROM. This is done the same way as with any other disk. I have two HDD conect. The option ROM loads, correctly reports connected drives, and allows booting from them.

How can I update bios?