Compaq 178960-004 Deskpro EN Series of Personal Computers Maintenance and Serv - Page 94
Ultra ATA Hard Drives
UPC - 743172551320
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6.2.2 Ultra ATA Hard Drives Formatted Capacity Physical (MB) Logical (MB) Compaq Spare Part Number Total Logical Sectors Logical Geometry Cylinders Heads Sectors Physical Geometry Cylinders Heads Sectors Data Bytes/Sector Sector Interleave ECC Bytes Recording MethodEPR4 Spin-Up Time (maximum) Spin-Down Time (maximum) Seek Times, Logical (Busy to Seek Complete) Track-to-Track Average (Read) Full Stroke Average Latency Data Transfer Rate @Disk to Buffer @Interface w/o IORDY PIO DMA UDMA RPM 10.0 GB 15.0 GB 20.0 GB 10005 Not available 135364-001 19541088 15020 8455 192060-001 29336832 20020 8455 180475-001 39102336 16383 16 63 16383 16 63 16383 16 63 15011 8 214-312 512 1:1 34 PRML TYP 18 sec MAX 31 sec Not available 24453 3 312-494 (20 zones) 512 1:1 18 bytes ON-THE-FLY 33 bytes FIRMWARE 48/51 PRML 9 seconds 19955 4 380-585 (10 zones) 512 1:1 18 16/17 EPRML 7.92 seconds 10 seconds 6.96 seconds TYP 1.7ms 8.5 ms 15ms 5.56ms MAX 2.4ms 9.5ms 18ms MAX 5.0ms 15.0ms 25.0ms 4.17ms TYP 2.0ms 9.5ms 21.0ms MAX 0.5ms 8.0m s 16.4ms 4.16ms TYP 0.4ms 7.5ms 15.7ms 139.61 224.31 MB/s 189.0 - 304.3 Mbits/s 364Mbits/s Max 12.5 MB/s 16.6 MB/s 16.6 MB/s 16.6 MB/s 66.6 MB/s 7200+/-0.1% up to 16.6 MB/s up to 33.3 MB/s up to 66.6 MB/s 7200+/-0.1% 16.6 MB/s 66.6 MB/s 7200+/- 0.2% Compaq Deskpro EN Series of Personal Computers 6-7