Board Structure
SM 6-5 G179
Detailed
Descriptions
6.2 BOARD STRUCTURE
6.2.1 BLOCK DIAGRAM
This machine employs the GW architecture, which allows the printer to be expanded by
installing optional boards in the two controller board slots. The BCU is connected to the
controller via a PCI bus.
BCU (Base engine Control Unit):
Controls all machine functions both directly and through other control boards.
Controller:
Controls memory and all peripheral devices. Two SD card slots are provided, one for
servicing (firmware updates) and one for SD card options. In addition to the RAM and
NVRAM, the NIC and USB functions are also built into this controller. The HDD unit is also
attached to the controller board. The Controller Board has external slots to accommodate
the following interfaces:
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