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2 function specifications – FUJITSU MAG3091FC User Manual

Page 27

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C141-E078-02EN

2 - 2

2.1.2

Function specifications

Table 2.1 shows the function specifications of the IDD.

Table 2.1

Function specifications

Specification

MAF3364

MAG3182

MAG3091

Formatted capacity/device (*1)

36.4 GB

18.2 GB

9.1 GB

Unformatted capacity/device

45.6 GB

23.0 GB

11.5 GB

Number of disks

10

5

3

Number of heads

19

10

5

Number of cylinders (*2)

10,200

9,866

Formatted capacity/track

143,872 to 215,040

139,776 to 215,040

Number of rotations (rpm)

10,025±0.5%

Average latency time

2.99 ms

Seek time (*3)
(Read/Write)

Minimum

Average

Maximum

0.7 ms (Read)/
0.9 ms (Write)
5.7 ms (Read)/
6.2 ms (Write)

12.0 ms (Read)/
13.0 ms (Write)

0.7 ms (Read)/
1.1 ms (Write)
5.2 ms (Read)/
5.8 ms (Write)

11.0 ms (Read)/
12.0 ms (Write)

Start/stop time
(*4)

Start time
Stop time

30 s typ. (60 s max.)

30 s typ.

Recording mode

16/17 EPR4ML

Recording density

283,000 bpi

275,000 bpi

Track density

13,500 TPI

External
dimensions

Height
Width
Depth

41.3 mm

101.6 mm

146.0 mm

25.4 mm

101.6 mm

146.0 mm

Weight

1.1 kg

0.7 kg

Power consumption (*5)

17 W

13 W

Interface

Cable length: 30 m max.

Disk drive

29.5 to 45.0 MB/s

FC-AL

106.25 MB/s max.

Logical data block length

512 to 528 byte

SCSI command specification

SCSI-2 (ANSI X3T9.2/86-109 Rev 10h) command support
SCSI-3 command partial support
Fujitsu-specific command

Data buffer

4 MB FIFO ring buffer, multi-segment buffer: Segment count 1 to 32,
Read-ahead cache

(*1)

The formatted capacity can be changed by changing the logical block length and using spare sector
space. See Chapter 3 for the further information.

(*2)

The number of user cylinders indicates the max., and includes the alternate cylinder. The number
of user cylinders and alternate cylinders can be specified at format of the IDD.

(*3)

The seek time is as follows:

Item

Data transfer
rate