Dual Ultra DMA 66/100 IDE controllers integrated in ICH5R- up to four Ultra ATA drives
Serial ATA/150 controller integrated in ICH5R- Up to 150MB/sec transfer speeds
Can connect up to two Serial ATA drives - Supports SATA RAID 0 (Optional)
Promise 20378 On-Board
Supports Ultra ATA, Serial ATA, Ultra ATA RAID 0 or 1 , Serial ATA RAID 0 or 1, Ultra/Serial ATA RAID 0+1 supported.
Connect up to 2 Serial ATA devices and 2 Ultra ATA 133 devices.
source: t-break - MSI 865PE Neo2 (865) Motherboard
short up to 4 ide and up to up to 2 sata