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C141-E035-03EN2 - 2
2.1.2 Function specifications
Table 2.1 shows the function specifications of the IDD.
Table 2.1 Function specifications
Specification
MAA3182xx MAB3091xx MAB3045xx MAC3091xx MAC3045xx
Formatted capacity/device (*1) 18.2 GB 9.1 GB 4.55 GB 9.1 GB 4.55 GB
Unformatted capacity/device 23.9 GB 11.9 GB 5.95 GB 11.8 GB 5.90 GB
Number of disks 10 5 3 5 3
Number of heads 19 10 5 10 5
Number of cylinders (*2) 9,041 8,491 8,691
Unformatted capacity/track 81,920 to
126,976
85,504 to 126,976 79,872 to 126,976
Number of rotations (rpm) 7,200±0.5% 10,033±0.5%
Average latency time 4.17 ms 2.99 ms
Minimum
Average
Maximum
0.9 ms (Read)/
1.1 ms (Write)
8.0 ms (Read)/
9.0 ms (Write)
17.0 ms (Read)/
18.0 ms (Write)
0.8 ms (Read)/
1.0 ms (Write)
7.5 ms (Read)/
8.5 ms (Write)
16.0 ms (Read)/
17.0 ms (Write)
Start time
Stop time
30 s typ. (60 s max.)
30 s typ.
Recording mode PR4ML
Recording density 121,000 to 159,000 bpi 116,093 to 159,084 bpi
Track density 9,620 TPI 9,200 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 1.0 kg 0.65 kg 0.70 kg
16bit-SCSI
Single-ended type
13 W 9 W 14 W
Interface Fast SCSI Cable length: 6 m max
Fast 20 SCSI Cable length: 3 m max (*6)
Cable length: 1.5 m max (*7)
Disk drive 12.3 to
19.5 MB/s
13.2 to 19.5 MB/s 17.2 to 27.2 MB/s
SCSI Asynchronous
mode
12 MB/s max.
Synchronous
mode
40 MB/s max.
Logical data block length (*1) 512 to 528 byte (Fixed length)
SCSI command specification ANSI X3.13-1986 and CCS (Rev. 4B) conformity
(SCSI-2 ANSI X3T9.2/86-109 Rev 10h) command support
SCSI-3 command partial support
Data buffer 512 KB FIFO ring buffer, multi-segment buffer: Segment
count 1 to 16, Read-ahead cache
Data transfer
rate (*8)
Power
consumption (*5)
Start/stop time
(*4)
Seek time (*3)
(Read/Write)
Item