Gordon Gate Flash Driver 3.0.0.1l
Gro Bert
Gordon's Gate Flash Driver is a software program designed by Sony Ericsson Mobile Communications AB to help its users flash the firmware on their Sony Ericsson mobile devices. The flash driver is used in conjunction with proprietary firmware update tools provided by Sony Ericsson, and enables the software to communicate with the device's internal flash memory.
Users are instructed to set up the USB Flash and Device Manager drivers before starting the program. The next step is to connect the phone to the desktop via DCU60 cable and begin the flashing process. It may take up to an hour depending on the memory condition and size.
A flash transistor is different because it has a second ("floating") gate above the first one. When thegate opens, some electricity leaks up the first gate and stays there,in between the first gate and the second one.Even if the power is turned off, the electricity is still there betweenthe two gates. Now if you try to pass a current through, the storedelectricity stops it from flowing so, in this state, the transistor stores a zero.If you clear the stored electricity, current can flow throughonce again; in this state, the transistor stores a one.That's how a flash transistor stores its information whetherthe power is on or off..
The transistors in flash memory are like MOSFETs only they have twogates on top instead of one. This is what a flash transistor looks likeinside. You can see it's an n-p-n sandwich with two gates on top, onecalled a control gate and one called a floating gate. The two gates areseparated by oxide layers through which current cannot normally pass:
Flash memory eventually wears out because its floating gates take longer to work afterthey've been used a certain number of times. It's very widely quoted that flash memory degrades after it's been written and rewritten about "10,000 times," but that's misleading. According to a 1990s flash patent by Steven Wells of Intel, "although switching begins to take longer after approximately ten thousand switching operations, approximately one hundred thousand switching operations are required before the extended switching time has any affect on system operation."Whether it's 10,000 or 100,000, it's usually fine for a USB stick or the SD memory card ina digital camera you use once a week, but less satisfactory for the main storage in a computer, cellphone, or other gadget that's in daily use for years on end. One practical way around the limit is for the operating system to ensure that different bits of flash memory are used each time information is erased and stored (technically, this is called wear-leveling), so no bit is erased too often. In practice, modern computers might simply ignore and "tiptoe round" the bad parts of a flash memory chip, just like they can ignore bad sectors on a hard drive, so the real practical lifetime limit of flash drives is much higher: somewhere between 10,000 and 1 million cycles. Cutting-edge flash devices have been demonstrated that survive for 100 million cycles or more.
The NAND flash of a solid-state drive stores data differently. Recall that NAND flash has transistors arranged in a grid with columns and rows. If a chain of transistors conducts current, it has the value of 1. If it doesn't conduct current, it's 0. At first, all transistors are set to 1. But when a save operation begins, current is blocked to some transistors, turning them to 0. This occurs because of how transistors are arranged. At each intersection of column and row, two transistors form a cell. One of the transistors is known as a control gate, the other as a floating gate. When current reaches the control gate, electrons flow onto the floating gate, creating a net positive charge that interrupts current flow. By applying precise voltages to the transistors, a unique pattern of 1s and 0s emerges.
Then there's the issue of longevity. The NAND flash used in SSDs can only be used for a finite number of writes. Why? Because SSDs can't write a single bit of information without first erasing and then rewriting very large blocks of data at one time. Each time a cell goes through an erase cycle, some charge is left in the floating-gate transistor, which changes its resistance. As the resistance builds, the amount of current required to change the gate increases. Eventually, the gate can't be flipped at all, rendering it useless. This decaying process doesn't affect the read capabilities of SSD, because reading only requires checking, not changing, the voltages of cells. As a result, NAND flash can "rot" into a read-only state.
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