![](http://pdfasset.owneriq.net/b/84/b8494219-06b3-4961-9ee2-66ed6c6121ee/b8494219-06b3-4961-9ee2-66ed6c6121ee-bg11.png)
ASUS PR-DLSW motherboard user guide
1-3
Onboard audio
The C-Media CMI8738/PCI-SX audio controller is onboard to provide
HTRF-based 3D positional audio (C3DX™) 4-channel audio output.
ATA/100 IDE support
The dual-channel bus master IDE connectors comply with the ATA/100
protocol and supports ATA/100, Multi-Word DMA Mode2, PIO modes 3 & 4
IDE devices such as ATAPI IDE CD-ROM, CD-R/RW, ZIP, and LS-120
drives.