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Opening 'er up
The G-chassis' internals aren't as slick or tool-free as Shuttle's P-Series cubes, but they get the job done.



Both the drive tray and cooling system pop out, which definitely helps with system assembly.


The cube's PCI Express x16 slot sits on the left edge of the motherboard, making it impossible to use double-wide graphics cards without hacking up the case's aluminum shell.


Memory slots are located on the right side of the system along with the floppy port. Normally, the floppy port wouldn't be worth mentioning, but you'll actually need it to install Windows, because the OS isn't bundled with Serial ATA drivers for the ULi M1573 south bridge. Unfortunately, the only way the Windows XP installation routine can load third-party storage drivers is from a floppy drive.


The ST20G5's motherboard layout is typical of a G-Series system, although it's sporting a couple more coolers than we're used to seeing.


In addition to an active north bridge cooler, the motherboard also features passive south bridge and VRM heat sinks. Since tiny chipset fans generally tend to develop and annoying whine over time, we're not big proponents of active chipset cooling. However, given the ST20G5's form factor limits, there may not be enough room for a passive heat sink large enough to keep the north bridge chip cool.