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Would an BTO 5400rpm harddisk drawn batteries faster?
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Forum Regular
Join Date: Jan 2003
Location: Hong Kong
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Forum Regular
Join Date: Oct 2003
Location: Germany
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According to most tests that are floating around: No, it wouldn't.
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Dedicated MacNNer
Join Date: Oct 2002
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its got a 16 meg cache - which kicks up the performance.
it's worth it even if it kills a little battery life 
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Registered User
Join Date: Oct 2003
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Originally posted by ddma:
Thank you!
Neither in my Pismo nor in my TiBook I recognized any changes of battery life. But both units became noticably snappier.
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Mac Enthusiast
Join Date: Nov 2002
Location: Atlanta, GA
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i read some test that said it was negligible - something around 4% loss. BUT, programs launch faster, etc... so you can actually do more work in less time - so it makes up for any loss you may experience.
4% of 4 hours is really nothing.
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Fresh-Faced Recruit
Join Date: Dec 2003
Location: Toronto
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Originally posted by freakboy2:
its got a 16 meg cache - which kicks up the performance.
it's worth it even if it kills a little battery life
The 80GB 5400rpm hard drive has an 8MB buffer, and not a 16MB one.
http://www.hitachigst.com/hdd/support/5k80/5k80.htm
the description IS accurate, the model number corresponds to the one shown in About this Mac > More Info.
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Grizzled Veteran
Join Date: Jan 2001
Location: Santa Ana
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I put in one of the IBM 5400 8mb cache drives when they first came out and I don't think there was any difference in the battery performance. But then I wouldn't have noticed a 4% drop. I really love the drive, though.
Pete
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Dedicated MacNNer
Join Date: Apr 2003
Location: Leawood, KS
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Originally posted by ViewSonic:
The 80GB 5400rpm hard drive has an 8MB buffer, and not a 16MB one.
http://www.hitachigst.com/hdd/support/5k80/5k80.htm
the description IS accurate, the model number corresponds to the one shown in About this Mac > More Info.
Nope, it has a 16MB buffer. My BTO 80GB 5200rpm is a Toshiba MK8026GAX and it has a 16MB Cache.
I guess that Apple uses different hard drives for BTO or maybe we're just lucky...
Link: Specs
-Paul T
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15" PowerBook 1.5GHz (CTO): SuperDrive, 5400rpm 80GB 16mb Cache, 1.5GB RAM/Backlit Keyboard/Radeon 9700 128MB/MacOS X 10.4.2
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Fresh-Faced Recruit
Join Date: Aug 2002
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Originally posted by tungtied07:
Nope, it has a 16MB buffer. My BTO 80GB 5200rpm is a Toshiba MK8026GAX and it has a 16MB Cache.
I guess that Apple uses different hard drives for BTO or maybe we're just lucky...
Link: Specs
-Paul T
I believe the earlier 15" BTO models (5,2) 1.25GHz with 80GB @5400 had the Hitachi with 8MB, while the current model (5,4) 1.5GHz uses the Toshiba with 16MB.
As far as power consumption of the Toshiba goes: Barefeats have a word or two on it at: http://www.barefeats.com/pb12.html
Bottom line no difference in their test set-up.
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Forum Regular
Join Date: Jan 2003
Location: Hong Kong
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It seems BTO an 5400rpm HD is a good deal!
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Mac Elite
Join Date: Jun 2004
Location: Edmonton, AB
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It makes a difference but apparently not a noticable one.
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Forum Regular
Join Date: Jan 2003
Location: Hong Kong
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So how much is the retial price of an 5400 rpm hard disk and what is the max size they offer? I wonder if I BTO it from Apple or replace it by myself. I tried to open a PowerBook 12 inch and it was easier than expected. I wonder if the 15 inch is the same or not. Anyone has any experiences to share?
D.
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