HP dx5150 4.7Mixed Devices Boot and Drive Letter Ordering, 4.6.2 Native Mode, SATA Emulation, Letter Ordering, Hard Drive Order, HDD Boot and Drive

Serial and Parallel ATA Drive Guidelines and Features

4.6.2 Native Mode

Use Native mode to access devices attached to add-in cards. Native mode is not supported by many legacy operating systems. PCI Plug-n-Play BIOS assigns addresses and the IRQ is shared with multiple controllers. The PCI Configuration Space contains Base Address Registers for the Command and Control Block.

■Offset 10h—Primary Command base address

■Offset 14h—Primary Control base address

■Offset 18h—Secondary Command base address

■Offset 1Ch—Secondary Control base address

4.7Mixed Devices Boot and Drive Letter Ordering

		HDD Boot and Drive
SATA Emulation	Hard Drive Order	Letter Ordering

Separate IDE Controller	A. Integrated SATA
(default). Used with Windows	B. Integrated IDE
2000 and XP.

A1. SATA 0

A2. SATA 2

A3. SATA 1

A4. SATA 3

B1. IDE Device 0

B2. IDE Device 1

Separate IDE Controller.	A. Integrated IDE	A1. IDE Device 0
Used with Windows 2000	B. Integrated SATA	A2. IDE Device 1
and XP.		B1. SATA 0
		B2. SATA 2
		B3. SATA 1
		B4. SATA 3
Combined with IDE	A. Integrated SATA	A1. SATA 0
Controller. Used with	B. Integrated IDE	A2. SATA 2
Windows 9x, NT, and Linux.		B1. IDE Device 0
		B2. IDE Device 1
Combined with IDE	A. Integrated IDE	A1. IDE Device 0
Controller. Used with	B. Integrated SATA	A2. IDE Device 1
Windows 9x, NT, and Linux.		B1. SATA 0
		B2. SATA 2

Service Reference Guide, dx5150 361685-001 4–7