JMicron

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JMicron Technology Corporation
Type
Founded
Headquarters Hsinchu, Taiwan
Industry Computer
Products Chipsets
Website www.jmicron.com

JMicron Technology Corporation is a Taiwanese manufacturer of integrated circuits. It mostly produces Serial ATA and related controller chips[1].

Its chips are used by a number of companies, such as ASUS[2] and MSI[3] in PC motherboards, though because of difficulties, newer MSI models have moved to using integrated Marvell controllers[4].

[edit] Linux

JMicron SATA/IDE controllers are often incompatible with some boot loaders. In particular, those using GRUB, such as Ubuntu, cannot boot in some conditions[5]. The most recent Linux kernel and the most recent JMicron controller BIOS [6] solve these incompatibilities but may not be present in existing products, requiring a flash of the motherboard BIOS if the newer version contains the JMicron BIOS update. Other bootloaders such as EXTLINUX and the Windows boot loader work fine.

[edit] References

  1. ^ JMicron's product list
  2. ^ Reference to JMicron on ASUS website.
  3. ^ [hhttp://www.msicomputer.com/product/p_spec.asp?model=P965_Neo-F&class=mb MSI's original P965 Neo-F with JMicron controller]
  4. ^ MSI P965 Neo-F version 2, with JMicron controller replaced
  5. ^ [1] Ubuntu bug listing of incompatibility with JMicron
  6. ^ [2] JMicron FAQ stating newer BIOS software will work with Linux
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