Bios; Ieee 1394 Ports - Matrox 4Sight User Manual

BIOS

105
Note
Despite advanced wear levelling, the DiskOnChip has a
maximum write capacity. This capacity will be reached when
the number of bytes written to the DiskOnChip totals:
750,000 * size of DiskOnChip (in bytes)
When the DiskOnChip reaches the end of its write capacity, you
will receive read/write errors. You can then contact Matrox for
information concerning the replacement of your DiskOnChip;
see Chapter 5: Managing the DiskOnChip for more information.
The DiskOnChip is pin-to-pin compatible with standard 32-pin
EEPROM devices. The DiskOnChip is self-contained and needs
no jumper settings. The DiskOnChip is mapped to an 8 KB
window in the BIOS expansion range which is usually located
between 0C0000H and 0DFFFFH. During the boot process, the
DiskOnChip loads its firmware into the Matrox 4Sight's
memory and installs itself as a disk drive in the unit. At this
point, the DiskOnChip is recognized as a standard disk by the
BIOS. Under Windows NT (or Windows NT Embedded), an
M-Systems DiskOnChip driver is required since Windows NT
does not use the BIOS to access the DiskOnChip.
BIOS
The BIOS is stored in a 256 Kbyte flash memory device. This
device is in a socket that sits on the Matrox 4Sight
motherboard. The BIOS setup information, on the other hand,
is stored in CMOS memory and is backed up by a battery.

IEEE 1394 ports

The three 400 Mbit/sec IEEE 1394 ports on the Matrox 4Sight
support input from IEEE 1394 cameras or other peripherals.
The IEEE 1394 ports on the Matrox 4Sight respect an IEEE
1394 tree topology and incorporate an 8Kbyte FIFO. MIL
supports the transfer of monochrome or color digital video from
cameras which are compliant with the IEEE 1394 Digital
Camera Specification (DCS). Using the 1394 ports, you can grab
from multiple cameras at the same time. In MIL, you must
allocate each camera as a digitizer using MdigAlloc().