Acer TravelMate 4650 TravelMate 4150 / 4650 Service Guide - Page 50

HGST Model Name Moraga+ HTS424040M9AT0 0 13G1132, 40GB, 4200rpm Moraga IC25N060ATMR040 08K0634, 60GB, 4200rpm Moraga IC25N080ATMR040 08K635 80GB, 4200rpm Moraga HTS541060G9AT0 0, 60GB, 5400rpm Configuration Interface ATA-6 ATA-6 ATA-6 ATA-6 Capacity (GB)1 40 60 80 60 Sector size (bytes) 512 512 512 512 Recording zones 16 16 16 16 Data heads 2 3 4 3 (physical) Data disks 1 2 2 2 Max. areal density 70 70 70 70 (Gbits/sq.inch) Performance Data buffer (MB) 2 8 8 8 Rotational speed 4,200 (RPM) 4,200 4,200 5,400 Latency average 7.1 7.1 7.1 5.5 (ms) Media transfer rate 350 350 350 493 (Mbits/sec, max) Interface transfer 100MB/sec Ultra rate (MB/sec, max) DMA mode-5 100MB/sec Ultra DMA mode-5 100MB/sec Ultra DMA mode-5 100 Ultra DMA mode-5 Seek time (read, typical) Average (ms) 12 12 12 12 Track to track (ms) 2.5 2.5 2.5 2.5 Full track (ms 23 23 23 23 Power Requirement +5VDC( ±5 %) +5VDC( ±5 %) +5VDC( ±5 %) +5VDC( ±5 %) Dissipation Startup 4.7 W current (peak, max.) 4.7 W 4.7 W 5.0W Seek (avg.) 2.3 W 2.3 W 2.3 W NA Read (avg.) 2.1 W 2.1 W 2.1 W 2.0W Write (avg.) 2.2 W 2.2 W 2.2 W 2.0W Performance idle 1.85 W 1.85 W 1.85 W NA (avg.) Active idle (avg.) 0.85 W 0.85 W 0.85 W 0.85W Low power idle 0.65 W (avg.) 0.65 W 0.65 W 0.60W Standby (avg.) 0.25 W 0.25 W 0.25 W 0.2W Sleep 0.1 W 0.1 W 0.1 W 0.1W Chapter 1 41