Hitachi DK23EA Specifications - Page 13
Specification Summary, 1 Principal Specifications, DK23CA-30F/30, DK23CA-15, DK23CA-75 - 40
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3.0 Specification Summary 3.1 Principal Specifications Table 3.1 Principal Specifications Specifications No. Item 1 Capacity per drive (Formatted) Capacity per sector Disks Heads Cylinders 2 Seek time Average (Nominal Maximum value) Minimum 3 Average latency Disk rotational speed 4 Recording density Track density Recording method 5 Interface Data transfer rate (Disk-Buffer) Data transfer rate (Host-Buffer) Buffer size 6 Power on - Ready *2 Sleep/Standby - Ready *2 7 DimensionsʢWʷHʷD) DK23CA-30F/30 DK23CA-15 DK23CA-75 30,005 15,103 7,501 512 2 1 1 4 2 1 28,134 12 *1 24 *1 3 7.1 4,200 Max. 530 46.8 ME2PRML, ID-Less format ATA-5(IDE) 16.3 - 30.2 Max. 16.6 (PIO mode 4/ Multiword DMA mode 2) Max. 100 (Ultra DMA mode 5) 2048 512 512 5 (Typical) *3 3 (Typical) *3 70Wʷ9.5Hʷ100D Weight (Approximate value) 8 DC Power Requirements *4 (Typical) 95 91 91 +5v ʶ 5% Ripple noise 100mvp-p or less - Start up *5 0.90 A(4.5W) - Idle *6 0.13 A(0.65W) - Low Power Active *7 0.33 A(1.65W) -Seek *8 0.45 A(2.25W) - Read/Write *9 0.40/0.40 A(2.0/2.0W) - Standby 0.050 A(0.25W) - Sleep 0.020 A(0.1W) Units MB Bytes ms ms ms ms RPM kBPI kTPI MB/sec MB/sec MB/sec kB sec sec mm grams K6602637 Rev.3 02.27.01 - 13 -