Overloading with external devices

Hi all,
I currently have 3 USB and 5 firewire ports available to add extra devices to my G4. I have one power strip maxed out with router, speakers, monitor, etc. and another with one device added to it. Should I be concerned with overloading when considering more external drives? How many external drives can I actually connect to my G4 AGP?
Thanks
Web dude

Your router, speakers, monitor, etc. don't draw power from your Mac, so they are not a concern. You mention that you are using a power strip. Hopefully, this is a surge protection power strip. Even better is an uninterruptable power supply (UPS).
I use a Belkin UPS. The UPS provides surge protection, automatic voltage control and best of all, a battery backup to keep the Mac running during power outages. It also keeps the Mac from going Off when you have a momentary "blip" in the incoming power. The UPS also has a connector for your cable or tel line to provide surge protection. This is often overlooked, because a lightning strike can also enter your Mac via a cable or tel line. A UPS is cheap insurance.
 Cheers, Tom

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Hardware Overview:
Model Name:          Mac Pro
Model Identifier:          MacPro1,1
Processor Name:          Dual-Core Intel Xeon
Processor Speed:          2,66 GHz
Number of Processors:          2
Total Number of Cores:          4
L2 Cache (per Processor):          4 MB
Memory:          6 GB
Bus Speed:          1,33 GHz
Boot ROM Version:          MP11.005D.B00
SMC Version (system):          1.7f10
Serial Number (system):          CK7XXXXXXGP
Hardware UUID:          00000000-0000-1000-8000-0017F20F82F0
System Software Overview:
System Version:          Mac OS X 10.7.5 (11G63)
Kernel Version:          Darwin 11.4.2
Boot Volume:          Macintosh HD(2)
Boot Mode:          Normal
Computer Name:          Mac Pro van Juko de Vries
User Name:          Juko de Vries (jukodevries)
Secure Virtual Memory:          Enabled
64-bit Kernel and Extensions:          No
Time since boot:          11 days 20:39
Message was edited by Host

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Overloading with external devices

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