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1.2 Device Specifications
*4: 1 MB is equal to 1,048,576 bytes; the actual buffer capacity for data transfer will be less.
Refer to the Section 6.4 of this manual.
*5: The value of Depth (=100.0 mm) does not include PCBA (Printed Circuit Board Assembly).
For details, see Section 3.1.
Table 1.1 lists the formatted capacity, number of logical cylinders, number of
heads, and number of sectors of every model for which the CHS mode has been
selected using the BIOS setup utility on the host.
Table 1.1 Specifications (2/2)
Model Capacity (*1) No. of Cylinder No. of Heads No. of Sectors
MHW2120BK 8.45 GB 16,383 16 63
MHW2080BK 8.45 GB 16,383 16 63
MHW2060BK 8.45 GB 16,383 16 63
*1: One gigabyte (GB) = one billion bytes; accessible capacity will be less and actual capacity
depends on the operating environment and formatting.
1.2.2 Model and product number
Table 1.2 lists the model names and product numbers of the disk drive.
The model name does not necessarily correspond to the product number as listed
in Table 1.2 since some models have been customized and have specifications that
are different from those for the standard model.
If a disk drive is ordered as a replacement drive, the product number must be the
same as that of the drive being replaced.
Table 1.2 Examples of model names and product numbers
Model Name
Capacity (*1)
(user area)
Mounting screw
Order No.
MHW2120BK 120 GB M3 Depth 3
CA06855-B712 (1.5 Gbps model)
CA06855-B742 (3.0 Gbps model) (*2)
MHW2080BK 80 GB M3 Depth 3
CA06855-B728 (1.5 Gbps model)
CA06855-B758 (3.0 Gbps model) (*2)
MHW2060BK 60 GB M3 Depth 3
CA06855-B706 (1.5 Gbps model)
CA06855-B736 (3.0 Gbps model) (*2)
*1: One gigabyte (GB) = one billion bytes; accessible capacity will be less and actual capacity
depends on the operating environment and formatting.
*2: Serial ATA Generation-1 (1.5 Gbps) is also supported.
C141-E261 1-5