Asus A7V333 Manual page 13

personally would need but then, some like it). All in all, ASUS deserves a high commendation for this solution since it is independent
of the BIOS revision and plain and simply cleaner than any soft solution. Needless to say that these jumpers don't really need any
further description, the same holds for the audio bass center setting.
A small "Hors d'Oeuvre" of the jumper menu awaiting the un-expecting user of the A7V333: on the left are JP1 and JP2 to set the
DDR voltages. "1" enables Power-On by USB 1 and 2, "2" and "3" are the line audio header jumpered to reroute the signals to the
back panel jacks and the bass center setting, respectively. "4" and "5" are audio and Firewire enable. The Firewire connector is
partially visible next to the VDDR jumpers. Also in the picture are the dip switch to manually set FSB frequency, the USB 2.0 header
enabled by the VIA VT6202 controller chip. On the left of the USB chip is the TI IEEE 1394 controller, on the right is the CMedia
CMI8738 6-channel sound.
There are a few other jumpers on board that deserve more attention. First, there is the known JEN jumper to enable / disable jumper-
free mode. By default, jumper-free is enabled, however, in order to e.g. access the dip switch, the jumper needs to be moved.
The VID1-4 header allows hard setting of the CPU core voltage from 1.675 to 1.85V with two voltage outputs, depending on which
CPU type is used. In order to really burn up the CPU, though, it is necessary to move the Voltage Regulator Output Limit jumper to
the Unlimited position. In addition, the A7V333 features an undocumented Overvoltage jumper. The same jumper on the P4B266
opens up additional Vre settings in the soft BIOS, in the A7V333, moving the Overvoltage jumper simply increases the Vre by 0.3V,
that is, if the Voltage Regulator Output Limit is set to "unlimited". Consequently, if the Vre is set to 1.75, the real Vre as shown by the
Hardware Monitor is 2.05V. Better be careful with this one.