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3.5.5. RG Platform Firmware
Firmware for the 4Links RG platform products is supplied on CompactFlash memory cards. These cards may be
hot-swapped - i.e. plugged and unplugged from a live unit.
RG Platform units boot from an installed memory card when they are powered up, as well as when they detect
that a memory card has been newly-inserted. Ejecting and then re-inserting a memory card is therefore an
acceptable method of re-booting a unit.
A memory card may be ejected by pressing the eject button on the right-hand side of the card slot with a non-
conductive device.
Caution:
Do not attempt to remove the memory card using a conductive object (e.g. a pen
or a screwdriver).
Memory cards are configured for a particular 4Links hardware platform, and are only intended for use with that
unit. If one attempts to boot a 4Links unit with a memory card that was built for another unit, or with a non-
4Links memory card, then the boot self-test display will display a failure message at the fifth step - which
indicates that the card is unsuitable for this unit.
4. Block Diagram
The elements that make up an EtherSpaceLink family unit are shown in figure 4.1.
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