From: "Alexei V. Mezin" <alexei-mezin@rambler.ru>
To: hardware@lists.altlinux.org
Subject: Re: [Hardware] hdd usb
Date: Fri, 02 Jan 2009 16:37:48 +0300
Message-ID: <gjl5b2$nbu$1@ger.gmane.org> (raw)
In-Reply-To: <gjl3ug$j1h$1@ger.gmane.org>
Andrei Lomov пишет:
> Подскажите, чем отличаются
> внешние hdd usb с питанием по usb и с отдельным питанием;
> почему не делают все с питанием по usb,
> чем-то же они должны быть хуже?
>
Стандарт USB подразумевает максимум пол-ампера тока для подключенных
устройств. Далеко не все "производители" ЮСБ-портов обеспечивают даже
это. Многие жесткие диски потребляют больше. Отсюда вывод: не все диски
можно подключить не ко всем компьютерам.
next prev parent reply other threads:[~2009-01-02 13:37 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-02 13:13 Andrei Lomov
2009-01-02 13:37 ` Alexei V. Mezin [this message]
2009-01-02 13:44 ` [Hardware] hdd usb [JT] Andrei Lomov
2009-01-02 16:46 ` [Hardware] hdd usb Pavel N. Solovyov
2009-01-03 11:03 ` Pavel
2009-01-02 16:13 ` Vladimir A. Svyatoshenko
2009-01-04 9:29 ` Andrei Lomov
2009-01-04 12:02 ` Alexander Yereschenko
2009-01-04 12:03 ` Pavel
2009-01-05 12:56 ` Marat Khayrullin
2009-01-12 15:15 ` Andrei Lomov
2009-01-12 16:39 ` Andriy Dobrovol`s`kii
2009-01-12 18:35 ` Andrei Lomov
2009-01-12 18:41 ` Ivan Petrov
2009-01-13 17:22 ` Andrei Lomov
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