2.5 2.5 2.5 inch inch inch A A AT T TA-5 A-5 A-5 hard hard hard disk disk disk dr dr driv iv ives es es Capacities: Capacities: Capacities: 6,10 6,10 6,10 & & & 20 20 20 GB GB GB Hitachi DK23BA series hard disk drives Highlights 2 2  17.2 17.2 17.2 GBits/ GBits/ GBits/ in in in  6,10, 20 GB in 9.5mm high package for maximum capacity slimline notebooks  ATA-5 interface with 512 kB or 2048kB read/write cache  GMR head and MEEPRML read channel technology  32-bit RISC microprocessor, Shock sensor, SMART Hitachi DK23BA series specifications Product Hitachi DK23BA series Model DK23BA-20 DK23BA-10 DK23BA-60 Performance Hitachi Global Storage Technologies Total Capacity Formatted 20.00 GB 10.06 GB 6.01 GB Per Sector 512 512 512 Number of Cylinders 22600 22600 22600 Number of Disks 2 1 1 Number of Heads 4 2 2 Seek Time (Nominal) 1 Track 3ms 3ms 3ms Average 12ms 12ms 12ms Full Track 24ms 24ms 24ms Average Latency 7.1ms 7.1ms 7.1ms For more information Rotational Speed 4,200 RPM 4,200 RPM 4,200 RPM Internet: Read Technology MEEPRML, ID-Less Format www.hgst.com • Internal Transfer Rate 14.1-24.8 MB/s 14.1-24.8 MB/s 11.4-20.2 MB/s Recording Density 458,000 bpi 458,000 bpi 373,000 bpi Track Density 37,600 tpi 37,600 tpi 37,600 tpi For other Hitachi products: Interface Transfer Rate 16.6 MB/s max. (PIO mode 4/Multiword DMA mode 2) / 1 800 HITACHI (800 448 2244) 66.6 MB/s max. (Ultra DMA mode 4) • Data Buffer 2048 kB 512 kB 512 kB Physical Specifications Dimensions Height 9.5 mm 9.5 mm 9.5 mm Width 70 mm 70 mm 70 mm Depth 100 mm 100 mm 100 mm Weight 95 g 95 g 91 g Power Requirements +5V +-5% Seek 0.45 A (2.25W) 0.45 A (2.25W) 0.45 A (2.25W) Spin-up 0.90 A (4.5W) 0.90 A (4.5W) 0.90 A (4.5W) Idle 0.13 A (0.65W) 0.13 A (0.65W) 0.13 A (0.65W) Read/Write 0.40 A (2.0W) 0.40 A (2.0W) 0.40 A (2.0W) Sleep 0.020 A (0.1W) 0.020 A (0.1W) 0.020 A (0.1W) © Copyright Hitachi Global Storage Technologies 2003 Stand-by 0.050 A (0.25W) 0.050 A (0.25W) 0.050 A (0.25W) Hitachi Global Storage Technologies Temperature 5600 Cottle Road Operating 5° to 55°C(41° to 131°F) San Jose, CA 95193 Non-Operating -40° to 70°C(-40° to 158°F) Produced in the United States Environmental Conditions 1/03 All rights reserved Relative Humidity Operating 5% to 90% References in this publication to Hitachi Global Storage Non-Operating 5% to 95% Technologies products, programs or services do not Max.Wet Bulb 29°C(84.2°F non-condensing) imply that Hitachi Global Storage Technologies intends to make these available in all countries in which Hitachi Shock Operating 180G or less, 2ms half sine wave Global Storage Technologies operates. Non-Operating 800 G or less, 1 ms half sine wave Product information is provided for information pur- Vibration poses only and does not constitute a warranty. Operating 1.0G or less (22-500Hz) Information is true as of the date of publication and is Non-Operating 5G or less (22-500Hz) subject to change. Actual results may vary. Acoustic Noise This publication is for general guidance only. Idle 25 dBA (typ.) 25 dBA (typ.) 25 dBA (typ.) Reliability Photographs may show design models. Preventive Maintenance Not Required 13 Error Rate (Unrecoverable Errors) Less than 1 per 10 bits read Identify Device Information for Setup (Addressing) Word 1 Number of CYL. 16383 (3FFFh) 16383 (3FFFh) 12416(3080h) Word 3 Number of HD 16 (0010h) 16 (0010h) 15 (00Fh) Word 6 Number of SPT 63 (3Fh) 63 (3Fh) 63 (3Fh) W W Wor or ord d d 60 60 60 6 6 61 1 1 T T To o ottta a al l l L L LB B BA A A 39070080(02542980h) 19640880(012BB230h) 11733120(B30880h) DS.DK32BA.0800