USBHDD vs. USBZIP (movido do blog antigo)

USB-HDD = O stick USB é tratado como se fosse um HD normal
USB-ZIP = O stick USB é tratado como se fosse um ZIP drive Iomega

Da Wiki do DSL:
There are two common BIOS methods for direct USB booting:

* One method is called the "USBHDD" method and it is used to support the booting of standard USB mass storage devices that are configured like a normal PC hard drive.
* The other method is called the "USBZIP" method and it supports booting from a USB storage device that behaves like the original IOMEGA ZIP drive with USB support.

Material muito completo sobre como tornar um stick USB bootável:
http://wiki.debian.org/BootUsb