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Old 11-29-2006, 10:09 PM   #1 (permalink)
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Default BI-directional setting for printer port

Hello i need to set my parellel port config in my bios to support bi-directional communication.i went to to my bios and found these options
ECP
ECP+EPP
SPP
EPP
Witch one do i use ?Any help would be great!!!
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Old 11-29-2006, 10:17 PM   #2 (permalink)
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EPP/ECP (Enhanced Parallel Port/Enhanced Capability Port) is a standard signaling method for bi-directional parallel communication between a computer and peripheral devices that offers the potential for much higher rates of data transfer than the original parallel signaling methods. EPP is for non-printer peripherals. ECP is for printers and scanners. EPP/ECP are part of IEEE Standard 1284, which also specifies support for current signaling methods (including Centronics, the de facto standard for printer communication) so that both old and new peripherals can be accommodated.
Quote:
Compatibility Mode, also known as Centronics, standard or SPP, is a uni-directional implementation with only a few differences from the original Centronics design.
so use ecp+epp
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Old 11-29-2006, 10:18 PM   #3 (permalink)
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Try ecp+epp.
Both of these are bi-directional


spp is not bi-directional
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Old 11-29-2006, 10:20 PM   #4 (permalink)
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lol, basically what i said, just in a shorter form.
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