MSI MS-6551 User Manual page 54

Chapter 3
To operate the onboard parallel port as Standard Parallel Port only, choose
"SPP." To operate the onboard parallel port in the EPP mode simultaneously,
choose "EPP." By choosing "ECP", the onboard parallel port will operate
in ECP mode only. Choosing "ECP + EPP" will allow the onboard parallel
port to support both the ECP and EPP modes simultaneously.
EPP Version
The onboard parallel port is EPP Spec. compliant, so after the user chooses
the onboard parallel port with the EPP function, the following message will
be displayed on the screen: "EPP Mode Select." At this time either EPP 1.
7 spec or EPP 1.9 spec can be chosen.
ECP Mode Use DMA
The ECP mode has to use the DMA channel, so choose the onboard
parallel port with the ECP feature. After selecting it, the following message
will appear: "ECP Mode Use DMA." At this time, the user can choose
between DMA channel 3 or 1.
Onboard Game Port
This setting disables or assigns an address for the onboard game port.
Onboard Midi Port
This setting disables or assigns an address for the onboard midi port.
Midi IRQ Select
This setting specifies an IRQ for the onboard midi port.
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