Get out your soldering iron folks! Its time to make your Samsung Fascinate UNBRICKABLE! Thats right AdamOutler from XDA has developed a method to Modify the OM pins so that the phone can boot from USB, UART, or MMC. This method makes the phone unbrickable, as there is nothing you can do software wise to prevent the phone from booting into this mode. If you know what flux is, have a steady hand, and possibly an old Fascinate sitting around, its time to get your hands dirty!
Instructions posted here on DroidForums