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Date Posted: 12:27:40 12/23/02 Mon
Author: JLF
Subject: Re: USB Ports on the HP ZE5185
In reply to: JLF 's message, "Re: USB Ports on the HP ZE5185" on 22:35:16 12/21/02 Sat

>>
>>>I am thinking to buy a notebook and I found these two
>>>models very interesting:
>>>Toshiba 1905-S303 : 2.4 GH, 40 GB, 15 XGA,32 ATI
>video
>>>card, 512 DDR memory
>>>And
>>>HP Ze 5185: 2.4GH, 60 GB, 15 SXGA, 32 ATI Video card,
>>>512 DDR memory
>>>Regarding performance and realibility which one shall
>>>I pick?
>>
>>I am in the same boat looking for a laptop. It is
>>difficult to get accurate detailed info. Don't hold
>>me to it but I think the Toshiba has a USB 2.0 port
>>while the HP is only 1.0 or 1.1. That is a big
>>difference for future external add-ons which makes the
>>Toshiba more useful regardless of the smaller HD.
>>Regarding reliability I hear less bad things about the
>>Toshiba but that could be because there are a lot less
>>of them out there.
>>PODPEA
>>
>>>
>>>Thanks
>
>
>Re: HP and USB Ports - please see the following URL:
>http://h20015.www2.hp.com/en/document.jhtml?lc=en&docNa
>me=bpu03056
>
>The above gives an excellent description of USB
>standards,
>data rates,etc. and in this article you will note that
>HP states that USB 2.0 is the latest USB standard and
>started appearing in new products in 2001. Since the
>HP ZE5185 came out in the Spring of 2002 - it has USB
>2.0 ports. The big question is are these USB 2.0 Full
>Speed(12MBPS) or USB 2.0
>High Speed (480 Mbps) ports.

Well - I did some further research and found out that both the Toshiba 1905-S303 and the HP Ze5185 both have USB 1.1 ports- so if one wants to use USB 2.0 - which is 40 times faster- then you will have to purchase a PCMIA card that provides USB 2.0 ( these sell for around $59 at Fry's).
Of course - both laptops include an IEEE 1394 FireWire that one can use at 400 Mbps. Bottomline- the major disadvantage in both of these laptops is that they are using "desktop" Pentium 4's at 2.4GHz- which could potentially yield heat problems- depending on the applications being run- and which also means that a fully charged battery will only last about 2 hours.

Cheers, JLF

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