- 1 -
Introduction
UIH-420 is a Universal Serial Bus (USB) hub,
which is an USB cable concentrator and a
bridge between PC’s PCI interface and USB
devices. With UIH-420, there is no need to
concern about IRQ conflicts or system resource allocations any more.
UIH-420 supports USB 2.0 high speed of
480Mbps and USB 1.1 full speed (12Mbps)
and low speed (1.5Mbps). Through the four
type-A downstream ports, up to 127 USB devices can be connected with just plug and play.
UIH-420 is the ideal way to make use of USB
2.0 technology.
Package contents
One 4 ports adapter (USB 2.0)
One driver diskette
One User’s Manual
System Requirement
Faster PC’s processor with a free PCI slot.
Windows 98, SE, 2000, Me, XP.
Features
USB (Universal Serial Bus) 2.0 specifica-
tion compatibility.
Compatible to all USB 1.1 peripheral de-
vices.
Supports Intel UHCI (Universal Host Con-
- 2 -
troller Interface) and EHCI (Enhanced
Host Controller Interface) specifications.
Real USB-port Plug & Play, and Hot-swap
functions.
Provides four downstream host ports and
all can work with high-speed, full speed
and low speed data transfer rate.
Compliant with 32Bit PCI Bus Rev2.2
standard.
Specification
Downstream port: 4 USB 2.0 series-A ports
Data rate:
High speed: 480Mbps
Full speed: 12Mbps
Low speed: 1.5Mbps
Cable length
Max. 2.08m with 24/28
AWG USB cable
Max. 5m with 20/28 AWG
USB cable
Output Voltage
Per-port:
DC+5V
Output Current
Per-port:
500mA
Dimensions(H*L) 62*120 mm
Hardware Installation
Before installation
Touch the exposed metal casing on your
computer's power supply before you taking
the card from its anti-static package. This
safely discharges any static electricity that
- 3 -
may have built up on your body.
Handle the card by the PCB edge only.
Avoid touching the gold-plated PCI bus
connector or the electronic components.
1. Turn your computer off and disconnect the
power cord before installing the card.
2. Remove the cover of your computer.
(Please refer to your computer owners
manual for instructions on removing the
cover)
3. Check the height of rear panel for the card
with right bracket for your PC.
4. Push the host card firmly into a free PCI
slot and ensure the gold-plated connector
is seated evenly in the PCI slot.
5. Replace the scre w in the bracket to avoid
the card falling out accidentally when plug
in the USB cable.
6. Put computer's cover on and apply power
cord back again.
- 4 -
Install USB 2.0 driver of UIH-420
UIH-420 has three USB host controller engines
in the chip. Two of the Universal Host Controller engines handle USB 1.1 transactions. One
of the Enhanced Host Controller engine handles the USB 2.0 Hi-speed transactions. To
ensure UIH-420 works well with high speed
bandwidth, it is a must to install both drivers of
UHCI and EHCI completely.
Install driver in Windows 2000/ XP
1. Once UIH-420 physically installed and the
computer powers up, system will automatically detect and load the drivers for "VIA
USB Universal Host Controller".
2. Next, Windows finds a new hardware of
"Enhanced Host Controller" and shows
the Find New Hardware Wizard, Click
"Next"
- 5 -
3. Windows prompts "Universal Serial Bus
Controller". Select "Search for the suitable driver for my device", and click
"Next".
4. You should now see a window to specify the
location of the driver. Check “Floppy disk
drives” and insert the EHCI driver diskette,
then click "Next".
- 6 -
5. Dialog showing that Windows found a driver
for this device. Click "Next" to continue.
6. When "Completing the found new hard-
ware wizard" with "VIA USB 2.0 Enhanced
Host Controller" dialog appears on the
screen, click "Finish".
7.
Restart Windows and apply your USB devices.
- 7 -
Verify if PCI card is properly in-
stalled in Windows 2000/ XP
To confirm that the USB 2.0 Hi-speed PCI card
has been correctly installed, check your Device
Manager on the Windows System. You should
see an entry titled "Universal Serial Bus
Controller" click on the “+” sign for next subentry should reveal the following added readings:
VIA USB 2.0 Enhanced Host Controller
VIA USB Universal Host Controller
VIA USB Universal Host Controller
USB Root Hub
USB Root Hub
USB 2.0 Root Hub Device
- 8 -
Install driver in Windows 98/
98SE/ ME
1. Once UIH-420 physically installed and the
computer powers up, system will automatically detect and load the drivers for
"VIA Tech 3038 PCI to USB Universal
Host Controller". Then the system will
prompt you to reboot.
2. After system reboot, check Device Manager on the Windows System. It will be
shown as below.
Locate the device with a yellow sign on it.
Double click mouse left button on the device.
- 9 -
3. The properties page of device will be
shown as below. Click on Update Driver
button.
4. The Update Driver Wizard will be shown
as below. Select Automatic search for a
better driver. Insert driver diskette into
floppy. Then click Next.
- 10 -
5. Windo ws system will search floppy and
install driver automatically. Then the
screen on next page will appear. Ensure
that the new device installed is VIA USB
2.0 Enhanced Host Controller. Click on
Finish button and reboot to complete installation.
EM-UIH420
Loading...