Acer TravelMate 4150, Service Manual

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Chapter 1 39
TOSHIBA
Model Name MK4025GAS ,KA100A,
40GB MK6025GAS
60GB MK8025GAS, 8MB,
80GB
Data Storage Physical
Per drive, formatted 40.007GB 60.0116GB 80.012GB
Data Heads 2 4 4
Number of Disks
1 2 2
Logical Configuration
Heads 16 16 16
Cylinders 16,383 16,383 16,383
User Sectors/Track at
zone 0 63 63 63
Logical Blocks (LBA) 78,140,160 117,210,240 156,301,488
Data Transfer Rate
Max transfer rate to host 100MB/sec 100MB/sec 100MB/sec
Seek Time
Track-to-track 2ms 2ms 2ms
Average 12ms 12ms 12ms
Maximum 22ms 22ms 22ms
Model Name MK4025GAS ,KA100A,
40GB
MK6025GAS
60GB
MK8025GAS, 8MB,
80GB
Nominal Power Requirements
Logic
+5V( %) +5V( %) +5V( %)
Start 4.7watts 5.0watts 4.7watts
Seeking 2.6watts 2.9watts 2.6watts
Reading/Writing 2.3watts 2.5watts 2.3watts
Idle 0.9watts 1.05watts 0.9watts
Standby 0.25watts 0.25watts 0.25watts
Sleep 0.1watts 0.1watts 0.1watts
Other
Rotational Speed 4,200rpm 5,400rpm 4,200rpm
Average Latency 7.14ms 5.56ms 7.14ms
Interface ATA-2/3/4/5/6 ATA-5 ATA-2/3/4/5/6
Buffer 8MB 16MB 8MB
Physical & Environmental Specs
Dimensions/Weight:
Height 0.37" (9.5mm) 0.37" (9.5mm) 0.37"(9.5mm)
Width 2.75" (69.85mm) 2.75" (69.85mm) 2.75" (69.85mm)
Depth 3.94" (100mm) 3.94" (100mm) 3.94"(100mm)
Weight 3.35 oz (94g) 3.56 oz (101g) 3.49 oz (99g)
Ambient Temperature:
Operating
41 - 131 F (5 to 55 C) 41 - 131 F (5 to 55 C) 41 - 131 F (5 to 55 C)
5
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5
±
5
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° ° ° ° ° ° ° ° °