![]() Virtual PC ships with a wimpy four-page manual, and the help file failed us, offering the barest instructions on how to connect to the Internet from a VM. Sadly, support for this expensive app is equally pricey-$99 for each call or e-mail message after the first one, which is free. The virtual machines perked right up when we moved to a 1.4GHz PC with 512MB of memory. Still, Virtual PC's performance is directly related to the hardware on the host. On an 800MHz system with 256MB of RAM, Virtual PC 5.0 ran Windows XP Home as a VM much faster than 4.0, with screen redraws taking less time and apps opening as much as 25 percent faster. Virtual PC claims better performance, particularly on multiprocessor PCs, and we saw a marked improvement over 4.0 even on our single-CPU machine. The emulated video card has also doubled its RAM, from 4MB to 8MB, for faster screen redraws. This version now emulates a 10/100MB Ethernet card, rather than a slower 10MB card you have more control over the CPU (you can assign preference to the VM, rather than just split the CPU's time between real and virtual machines, as in the past) and 5.0 lets you dedicate up to 1GB of RAM to a virtual machine (earlier editions topped out at 512MB). Virtual PC 5.0 adds a few under-the-hood features to what was already a solid program. (Check out the requirements yourself here.) Want to run two VMs simultaneously? You'll need even more space and memory. Running Windows 98 in a VM on an XP Pro system requires 500MB of extra drive space and at least 196MB of RAM (64MB for Windows 98, 128MB for XP Pro). To run two OSs on one PC, however, your real hardware must be up to the challenge. Two hours after we tore off the shrink-wrap, Virtual PC was running two VMs-one with Windows 98, the other with XP Home-on a machine that used to run just XP Pro. You can also use your own OS setup CDs-say, if you already own a copy of Windows 95-which we did. Sadly, unlike the Mac version, Virtual PC for Windows doesn't include any OS packs out of the box. For that job, Connectix sells OS Packs, which are preloaded operating system disc images that you "mount" on your VM you can get Windows 98, Me, XP Home ($149 each), and 2000 and XP Pro ($199 each). Once you've installed the emulation environment, you must drop an OS onto your new virtual machine (VM). Thanks to a slick wizard, installing Virtual PC takes only 10 minutes. Home users should stick to dual-booting (running two operating systems on separate hard drive partitions) if they need more than one OS, but anyone who needs to switch between operating systems on the fly should choose Virtual PC for Windows 5.0. Plus, version 5.0 works faster than before and can now run under Windows 98 and XP (previous versions required Windows Me or Windows 2000). The $229 program, like its Mac counterpart, lets you emulate any number of fast computers-in other words, create a faux computer within a real one-equip them with nearly any operating system that runs on a PC, and switch among them with a mouse click. Granted, Virtual PC for Windows appeals to a relatively small audience-tech-support types, developers, and businesses running several operating systems, to name a few-but it's still the best PC emulator out there. The $229 program, like its Mac counterpart, lets you any number of fast computers-in other words, create a faux computer within a real one-equip them with nearly any operating system that runs on a PC, and switch among them with a mouse click. ![]()
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