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Required Hardware and Software
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1.1 Required Hardware and Software
The USB keyboard/hub EVM is designed for use with a personal computer
running a USB-enabled operating system. The PC, with BIOS, chipsets, and
operating system, should be USB 1.1 specification-compliant. If the BIOS is
not compliant, the system may not boot when USB devices are connected at
power up, and the EVM may not function in DOS mode. Additionally, one or
more USB devices are needed to plug into the downstream ports of the USB
keyboard/hub EVM to exercise the hub ports. A standard USB cable is needed
to connect the USB keyboard/hub EVM to a downstream port of the PC or a
USB hub tier.
Figure 1–1. USB Keyboard/Hub EVM Hardware
USB EVM