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Functional Description Zeus SSD Functional Blocks
18 Zeus Ultra DMA Solid State Drives
2.1.3 Flash Memory
The Zeus SSD’s local storage subsystem uses Single-Level Cell (SLC) NAND, non-
volatile flash memory. Having only two states and one bit of data stored, SLC NAND flash
control logic on the SSD is able to conserve energy when managing the electrical charge
during operations.
2.1.3.1 Storage Capacity
Table5 on page18, provides a representative list of the various capacities in which
SimpleTech’s Zeus SSDs are available, along with associated LBA (Logical Bit
Addressing) and CHS (Cylinder, Head, Sector) information.
Table 5. Zeus SSD Capacity
Logical Bit Addressing (LBA) Data Cylinder, Head, Sector (CHS) Data
Capacity (GB)
(unformatted)
User-Addressable
LBA Sectors
CHS
Capacity
a
a. Expressed as LBA sectors
Logical
Cylinders
Logical
Heads
Logical
Sectors
8 16090112 16089696 15962 16 63
16 32196608 16514064 16383 16 63
24 48302080 16514064 16383 16 63
32 64408576 16514064 16383 16 63
72 144919296 16514064 16383 16 63