SOYO SY-7IWB V1.0 User Manual page 44

Hardware Installation SY-7IWB V1.0
2-3.3.9 AT Power Supply
If you are using AT power, plug the dual 6-pin headers from the power
directly into the 12-pin male AT Power connector on the motherboard.
Make sure black leads of the 6-pin AT power headers are in the center.
Note: DO NOT use an AT powersupply if you already use an ATX
powersupply. Use only one type of powersupply at the same time.
2-3.3.10 AMR (Audio Modem Riser)Connector
This motherboard supports AMR (Audio-Modem Riser) slot that
facilitates audio or modem riser card expansion. Since AC97 audio codec
is built-in down on the motherboard, only "Secondary" mode modem riser
(MR) card can be used on the AMR slot.
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