User manual

Chapter 3: Accessories
External CD-ROM Drive
8580/8590 Vehicle-Mount Computer User Manual 35
3.3 External CD-ROM Drive
An external CD-ROM drive can be attached to the 8580/8590. It is connected via the USB
port.
3.3.1 Operation
The CD-ROM drive port is provided via USB. The drive, which is supplied in a separate
housing, is connected to one of the sockets on the back of the 8580/8590.
Depending on the model, the external drive is powered either via the vehicle-mount con-
necting cable or through a separate, external power supply.
If USB has been activated in the BIOS, the CD-ROM drive is automatically recognized and
made available by the BIOS.
The CD-ROM drive is bootable once it has been properly installed. To boot from a CD-
ROM, insert a bootable CD and start the system.
3.3.2 Resources And Drivers
Resources for the USB port are pre-defined in the system architecture and automatically
managed by the BIOS.
Drivers for the various operating systems need to be supplied by the drive manufacturer.
Important: When connecting an external USB CD-ROM drive which has its own exter-
nal power supply, the 8580/8590 must be disconnected from the power
supply. The CD-ROM must be powered up simultaneously or after the
8580/8590. Ignoring these guidelines may cause start-up problems, malfunc-
tions, or even the permanent damage to the device.
Keep in mind also that not every device classified as a USB CD-ROM is a
proper USB CD-ROM drive. Use only those devices approved by Psion to
ensure compatibility.
Warning: The External USB CD-ROM drive must have a galvanically isolated power
supply.
Note: In the BIOS USB CD-ROM must be entered as a boot device.