Serial ATA Flash Drive

AP-SAFD255AXxxxxS-XXT

4

© 2011 Apacer Technology Inc.

Rev. 1.2

1.3

ATA Mode Support

The SAFD 255 provides ATA mode support as follows:

Up to PIO mode-4

Up to Multiword DMA mode-2

Up to UDMA mode-5

1.4

Capacity Specification

Capacity specification of the SAFD 255 product family is available as shown in Table 1-1. It lists the specific

capacity, the default numbers of logical cylinders and heads, and the number of logical sectors per track for

each product line.

Table 1-1 Capacity specification

Capacity

Total Bytes*

Cylinders

Heads

Sectors

Max LBA**

8 GB

7,913,816,064

15,334

16

63

15,456,672

16 GB

15,842,017,280

16,383

16

63

30,941,440

32 GB

31,675,645,952

16,383

16

63

61,866,496

64 GB

63,351,160,832

16,383

16

63

123,732,736

*Display of total bytes varies from file systems.

**Cylinders, heads or sectors are not applicable for these capacities. Only LBA addressing applies.

1.5

Performance

Performance of the SAFD 255 is shown in Table 1-2.

Table 1-2 Performance specification

Capacity

Performance

8GB

16GB

32GB

64GB

Sustained Read

(MB/s)

230

230

230

230

Sustained Write

(MB/s)

85

180

170

175

Note: Performance varies from flash configurations.