*If you use AM2+ CPU on AM2 chipset motherboard, the system bus speed will downgrade from HT3.0 (5200 MT/s) to HT1.0 (2000 MT/s), but the CPU frequency will not be influenced.
- Supports ATI™ CrossFire™
- 1 x PCI Express x16 slot with PCIE Switch card or 2 x PCI Express Graphics slots for ATI™ CrossFire™
- 1 x PCI Express x1 slot
- 3 x PCI slots
Connector
- 4 x SATAII 3.0 Gb/s connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and "Hot Plug" functions
- 2 x eSATAII 3.0 Gb/s connectors (shared with 2 SATAII ports), support RAID (RAID 0 and RAID 1), NCQ, AHCI and "Hot Plug" functions
- 1 x ATA133 IDE connector (supports 2 x IDE devices)
- 1 x Floppy connector
- 1 x IR header
- 1 x Game header
- 1 x HDMI_SPDIF header
- CPU/Chassis FAN connector
- 20 pin ATX power connector
- 4 pin 12V power connector
- SLI/XFire power connector
- CD in header
- Front panel audio connector
- 4 x USB 2.0 headers (support 8 USB 2.0 ports)
Rear Panel I/O
ASRock 8CH_eSATAII I/O
- 1 x PS/2 Mouse Port
- 1 x PS/2 Keyboard Port
- 1 x Serial Port: COM1
- 1 x Parallel Port (ECP/EPP Support)
- 2 x Ready-to-Use USB 2.0 Ports
- 2 x eSATAII Ports
- 1 x RJ-45 Port
- HD Audio Jack: Side Speaker / Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone
Other Features / Miscellaneous
Unique Feature
- Instant Boot
- Hybrid Booster:
- CPU Frequency Stepless Control
- ASRock U-COP
- Boot Failure Guard (B.F.G.)
- ASRock AM2 Boost: ASRock Patented Technology to boost memory performance up to 12.5%
Hardware Monitor
- CPU Internal Temperature Sensing
- CPU Ambient Temperature Sensing
- Chassis Temperature Sensing
- CPU Fan Tachometer
- Chassis Fan Tachometer
- CPU Quiet Fan
- Voltage Monitoring: +12V, +5V, +3.3V, Vcore
Form Factor
- ATX Form Factor: 12.0-in x 8.2-in, 30.5 cm x 20.8 cm
OS
- Microsoft® Windows® 2000 / XP / XP Media Center / XP 64-bit / Vista™ / Vista™ 64-bit compliant
BIOS update : 
