Slow PC after Connecting USB2 500Gb External Drive

  GAldo 01:01 12 May 2007

PC runs Slow when Connected to Maxtor 3200 500GB USB External Drive
(works OK when connected to a much newer laptop)

As soon as I connect up this external drive my CPU hits 100% usuage and the machine runs extremely slow. USB drivers show Enhanced and working properly in device Manager.
I have a Genuine Intel Pentium 3 - 1GHZ with 1GB RAM, and just added a USB2 PCI card to maximise the benefit of USB2 transfer speed. My problem appears to be with the reaction of the CPU to this drive. Any ideas please, spent many hours looking on the web to no avail. I have seen many blogs about problems of transfer speed but this does not seem to be the cause. Yes transfer is slow but the machine runs annoying slow(almost to a stop)when connected so I can't compare the speed. I have attached a summary of the PC info in case it helps
Operating System Microsoft Windows XP Professional
OS Service Pack Service Pack 2
DirectX (DirectX 9.0c)
User Name DADS

CPU Type Intel Pentium IIIE, 1000 MHz (7.5 x 133)
Motherboard Name Asus MED 2001
Motherboard Chipset VIA VT82C694X Apollo Pro133A
System Memory 1024 MB (SDRAM)
BIOS Type Award Medallion (02/12/01)
Communication Port Communications Port (COM1)
Communication Port Communications Port (COM2)
Communication Port ECP Printer Port (LPT1)

IDE Controller VIA Bus Master IDE Controller
SCSI/RAID Controller D347PRT SCSI Controller
Floppy Drive Floppy disk drive
Disk Drive SAMSUNG SP1604N (160 GB, 7200 RPM, Ultra-ATA/133)
Disk Drive ST340823A (40 GB, 5400 RPM, Ultra-ATA/100)
Optical Drive Generic DVD-ROM SCSI CdRom Device
PIONEER DVD RW DVR-107D (DVD+RW:8x/4x, DVD-RW:8x/4x, DVD-ROM:12x, CD:24x/24x/40x DVD+RW/DVD-RW)
SMART Hard Disks Status OK

C: (NTFS) 99998 MB (6650 MB free)
D: (NTFS) 22881 MB (419 MB free)
E: (NTFS) 52619 MB (3566 MB free)
F: (NTFS) 15264 MB (2833 MB free)
Total Size 186.3 GB (13.2 GB free)

USB1 Controller VIA VT83C572 PCI-USB Controller
USB1 Controller VIA VT83C572 PCI-USB Controller
USB1 Controller VIA VT83C572 PCI-USB Controller
USB1 Controller VIA VT83C572 PCI-USB Controller
USB2 Controller VIA USB 2.0 Enhanced Host Controller
USB Device USB Cable Modem 351000

  Technotiger 06:35 12 May 2007

Hi, I would advise get rid of all partitions. This is definitely slowing things down, not enough free space anywhere for system to operate properly.

  Technotiger 06:39 12 May 2007

Also, clean-up your hard drive, run Disk Cleanup Wizard and in IE delete Temp file and cookies. In C:/Windows delete the Temp folder - do a full defrag. When you re-start pc Windows will create a new empty Temp folder. Make sure Recycle bin is emptied regularly.

  Technotiger 06:42 12 May 2007

Another thought, if you want to keep some things separate use Folders rather than Partitions.

  GAldo 13:17 12 May 2007

Thanks Technotiger, taken on board what you are saying and this was why I bought the external drive. The PC runs OK when the external drive is not connected so it's something to do with the connection of this drive. I'm no expert could the cache be the problem, I see that my CPU cache is 256Kb and the external drive is 16Mb. My IDE drives is only 1Mb.

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