Unisys Aquanta CP Series, Configuration Manual

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System Specifications
A–14 3814 9779–000
Power LED, Power Switch, Hard Disk Drive
LED
One 6-pin header is provided on the motherboard for the front panel indicators. The
pin definitions are shown in the following table.
Table A–10. Header CN21 Parameters
Pin Description
1 Ground
2 Reset
3 Power LED
4 IDE device LED
5 LAN LED or Suspend Mode LED
6 Suspend Mode switch
Direct Memory Access
DMA allows data transfers between main memory and I/O devices such as a disk
controller or communications device. The following DMA channels are supported:
Table A–11. DMA Parameters
DMA Channels Data Width System Resources
Channel 0 8 or 16 bits Available
Channel 1 8 or 16 bits Crystal Audio Card
Channel 2 8 or 16 bits Floppy Controller
Channel 3 8 or 16 bits Parallel Port for ECP function
Channel 4 Cascade Channel
Channel 5 16 bits Available
Channel 6 16 bits Available
Channel 7 16 bits Available