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Instruction Manual
20
CD-ROM Web Server Requirements:
Data must be hosted on a web server that the SV441DUSBI can •
access directly.
An image of a bootable CD-ROM disk can be used by the BIOS to boot •
an operating system.
The image file itself may be any size, but it will typically be less than •
700Mb. Normally this file will be an ISO image (an ISO-9660 file
system) but any disk image may be used.
The web server must support “byte ranges”. Persistent connections are •
used, if available, as this greatly improves performance. “Read-only”
access is provided; writing is not supported.
CD-Rom block size must be 2048 bytes. XA-Data type tracks are not •
supported.
RAM Disk mode: Choose the Format as RAM Disk button to switch to
RAM Disk mode. This mode is intended to facilitate simple data transfer
between the remote user and the host computer. It will be recognized by
Windows as an 8MB removable disk and assigned a drive letter. You can
easily drag and drop files up to 8MB in size to this device.
Disk Formats: When you choose the Format as... button, the disk image
stored in RAM is formatted as an empty MS-DOS disk, with a single file
called Put files here...TXT.
SV441DUSBI is able to read most MS-DOS/Windows formatted disks and
presents the files via the Web interface. However, disk emulation occurs
at the lowest level, so other disk formats can be used if you have the tools
needed to create and read the disk images.
At the bottom of the page are the upload and download options for the
entire disk image. Any image that is exactly 1,474,560 bytes long will be
treated as a floppy. Images of other sizes are supported up to 8MB.
Booting from USB Disk:
If the host computer’s BIOS supports USB boot devices, it is possible to
boot from the emulated CD-ROM or floppy - allowing complete operating
system replacement without any on-site intervention.