MSI MS-6398 Technical Manual page 52

BIOS Setup
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.
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