Motorola CPV5000, Installation And Reference Manual

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Functional Description
4-16
4
Keyboard/mouse interface
The keyboard and mouse is supported by a single PS/2 connector on the front
panel and separate PS/2 style connectors on the rear I/O transition module. The
front I/O keyboard/mouse connector utilizes a standard splitter cable to
connect to a mouse and keyboard.
Ethernet
The Intel 82558 chip is used for on-board support for 10/100MB Ethernet. The
user can enable or disable this feature through the BIOS Setup screen. Ethernet
connection is available on the front panel or rear I/O transition module via a
RJ45 connector. Front or rear connections are selectable using a four position
jumper block. Both link and activity LED’s are incorporated into the connector
in order to indicate network status.
DMA channels
Table 4-8.
DMA channels
Channel Function
DMA 0 ISA memory refresh
DMA 1 Reserved
DMA 2 Floppy disk controller
DMA 3 Reserved
DMA 4 Cascade for DMA 1
DMA 5 Reserved
DMA6 Reserved
DMA 7 Reserved