ECS Motherboard User Manual page 27

Memory Support
• Four 184-pin DIMM sockets for DDR SDRAM memory
modules
• Supports DDR400 memory bus
• Maximum installed memory is 4GB
Expansion Slots
• One CNR slot
• One 8x/4x AGP slot
• Five 32-bit PCI slots for PCI 2.3-compliant bus interface
Onboard IDE channels
• Two IDE Connectors
• Supports PIO (Programmable Input/Output) and DMA
(Direct Memory Access) modes
• Supports IDE Ultra DMA bus mastering with transfer rates
of 33/66/100 MB/sec
Serial ATA
• Two Serial ATA Connectors
• Transfer rate exceeding best ATA (~150 MB/s) with
scalability to higher rates
•
Low pin count for both host and devices
AC'97 Codec
• 6-CH hardware architecture allows multi-channel south
bridge to playback 6CH audio
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• Intel AC'97 (REV. 2.3) compatible, meeting Microsoft
PC2001 requirements
• Built-in earphone buffer and internal PLL, the latter saving
additional crystal
• Line-in/rear out share the same jack; Center/bass share the
MIC jack
• Digital S/PDIF OUT Support
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• CRL 3D: HRTF based BS3D compatible audio engine
Chapter 1: Introduction
3
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