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Old 02-05-2004, 08:41 PM   #1
Registered: Dec 2003
Posts: 47

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pci SATA or SCSI controller or external usb HD

Hi there got several questions regarding Harddisk,

Q1: Scsi HD on pci scsi controller. Afaik pci bus is only 33 mHz clocked, how can then the scsi be faster, does it not bottlenecked by pci frequencies ?

Q2: Is there also a kind of pci SATA controller ? Am stucked with the same question, does it not restricted by pci clock frequency ?

Q3: Is pci frequency is really only 33 MHz, am doubted of have read that it could be also 66 MHz. Actually I configured the frequency as 66Mhz on the mobo per jumper, multiply factor 5.5 so that I got 363 MHz as CPU frequency. But when I've ever read the output during booting (dmesg,/var/log/syslog) I found somewut bus frequency is 33 MHz. Lilo has the an option for busfrerquency=66 something (read lilo for detail). It is a real lost to use 33 MHz if the bus can be 66 MHz. Bcoz the bus is always the bottle neck of the mobo. But it is also dangerous stuff, bcoz with rising of pci freq not only CPU will be overcloked but also all other pci cards..

Q4: I just stick a usb version 1.1 controller onto the mobo, actually considering to bind it to cable modem to reduce a nic header. But it exists such usb external HD out there, but looked like it ll be too expensive for me , my current HD is only 4gb I ll kill my friend bpcs for the viruses brought to my 30gb HD n special thank to him for tons of biased comments about sata, but he is the one who got most out my lections kde++ death loughing, but he still shiit around ..

TIA for possible answers about HDs, I ll be busy for awhile to look for posting ..
Let the kid do the compilation for another 2,3 but not just or he ll be still vague sounding while being so far away.. Sandals ? Is it a guestion ?? I gonna go home first, I've too much sapi kebap ..
Old 02-05-2004, 09:42 PM   #2
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Registered: Jan 2003
Location: Malaysia
Distribution: Fedora Core, Slackware, Mac OS X, Debian, OpenSUSE
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Yes there is plenty of USB external harddisk out there. and there is also IDE to USB casing without harddisk. Therefore you can get the harddisk of your choice.

I got myself one last week. It supports USB 2.0 and I got a Maxtor 80Gb 8Mb cache 7200RPM hdd to go with it. It is very impresive at USB2.0, unbearably slow at USB 1.1

You can mount the USB harddisk by mount /dev/sda1. You can even partition it using fdisk /dev/sda.


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