Sata Bios; Legacy Mode - HP Dx5150 - Compaq Business Desktop Reference Manual

Serial and Parallel ATA Drive Guidelines and Features
File
System
FAT 32 ATA
NTFS ATA

4.6 SATA BIOS

Windows 2000 and XP
Enhanced Mode (default BIOS Setting)
—Separate IDE controller
• PATA Controller in Legacy Mode
- Device 0 is accessible as Device 0 of
PATA controller's Primary Channel
- Device 1 is accessible as Device 1 of
PATA controller's Primary Channel
• SATA Controller in Native Mode
- SATA 0 is accessible as Device 0 of
SATA controller's Primary Channel
- SATA 1 is accessible as Device 0 of
SATA controller's Secondary Channel
SATA 2 is accessible as Device 1 of SATA
controller's Primary Channel
- SATA 3 is accessible as Device 1 of
SATA controller's Secondary Channel

4.6.1 Legacy Mode

Use Legacy mode to access devices attached to the embedded IDE controller. The channel
requires two fixed I/O address ranges and an IRQ for each.
❏
Command block: 1F0h - 1F7h
❏
Control block: 3F6h
❏
IRQ: 14
4–6
Drive/Partition Capacity Limits
Controller
Type
Windows 2000/ XP
Windows NT/2000/XP
361685-001
Operating System
Windows 9x, NT, and Linux
Compatibility Mode (non-default BIOS Setting)
—Combined IDE controller
• PATA Controller in Legacy Mode
- Device 0 is accessible as Device 0 of the
combined controller's Secondary Channel
- Device 1 is accessible as Device 1 of the
combined controller's Secondary Channel
• SATA Controller in Legacy Mode
- SATA 0 is accessible as Device 0 of the
combined controller's Primary Channel
- SATA 1 is inaccessible
- SATA 2 is accessible as device 1 of the
combined controller's Primary Channel
- SATA 3 is inaccessible
Maximum Size
Partition Drive
32 GB 128 PB
2 TB 128 PB
Service Reference Guide, dx5150