Intel® E7221 MCH
Intel® ICH6R South Bridge
Intel® PXH-V I/O bridge
SMSC DME1737 Super I/O

Dual channel memory bus
4x DDR-333/400 DIMM
max 4GB unbuffered, ECC/non-ECC memory

1x PCI-X 64-bit 133/100/66MHz
1x TARO 200-pin SO-DIMM connector
2x (x1) PCI-Express
1x 32-bit 33MHz PCI 2.3 slot

1x ATA-100/66/33
4x Serial ATA 1.5Gb/s
RAID 0, 1