另外在補充一下..
根據Intel的ICH8 Whitepaper描述..
只有包含ACHI&RAID的ICH8晶片才可以啟動全部SATA Port(6 ports)..
未包含ACHI&RAID的ICH8只能啟動4個SATA Port(0~3)..
另外其實他的SATA部分有點變動啦..
在補一下..

ICH8 Seres (no ACHI and RAID)
{
NCQ->N/A
Auto Activate for DMA->N/A
Hot Plug->N/A
3Gbs->Supported(Desktop only)
ATAPI Async. Notification->N/A
Host Initiated Power Management->N/A
Staggered Spin-Up->Supported
Command Complation Coalescing->N/A
Port Multiplier->N/A
eSATA->N/A
}

ICH8 Series (ACHI and RAID)
{
NCQ-> Supported
Auto Activate for DMA-> Supported
Hot Plug-> Supported
3Gbs->Supported(Desktop only)
ATAPI Async. Notification-> Supported
Host Initiated Power Management-> Supported
Staggered Spin-Up-> Supported
Command Complation Coalescing->N/A
Port Multiplier->N/A
eSATA->Supported
}