Compact Flash 5 series

AP-CFxxxxK7XS-XXXXXX

4. Capacity Specification

Capacity specification of the Compact Flash Card series (CFC) is available as shown in Table 4-1. It lists

the specific capacity and the default numbers of heads, sectors and cylinders for each product line.

Table 4-1: Capacity specifications

Capacity

Total bytes

1

Cylinders

Heads

Sectors

Max LBA

128 MB

128,450,560

980

8

32

250,880

256 MB

256,901,120

980

16

32

501,760

512 MB

512,483,328

993

16

63

1,000,944

1GB

1,024,966,656

1,986

16

63

2,001,888

2GB

2,048,901,120

3,970

16

63

4,001,760

4GB

4,110,188,544

7,964

16

63

8,027,712

8GB

8,195,604,480

15,880

16

63

16,007,040

16GB

16,391,340,032

16,383

2

16

63

32,014,336

1. Display of total bytes varies from operating systems.

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

4.1 Performance Specification

Performances of the Standard and High Speed ATA-Flash Disk are listed in Table 4-2 and Table 4-3.

Table 4-2: Standard Performance specifications

Capacity

Performance

128 MB

256 MB

512 MB

1 GB

2 GB

4 GB

Sustained read

(MB/s)

21

21

25

25

25

29

Sustained write

(MB/s)

6

5

10

9

19

20

Table 4-3: High Speed Performance specifications

Capacity

Performance

256 MB

512 MB

1GB

2 GB

4 GB

8 GB

16 GB

Sustained

read (MB/s)

42

41

48

48

48

48

50

Sustained

write (MB/s)

11

11

19

19

30

30

30

Notes: performance may vary depending on flash configurations.

7

© 2011 Apacer Technology Inc.

Rev. 1.0