Asus P5P41D User Manual - Page 52

2-14

Chapter 2: BIOS information

Legacy USB Support [Auto]

Allows you to enable or disable support for Legacy USB storage devices, including USB flash

drives and USB hard drives. Setting to

[Auto

] allows the system to detect the presence of

USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB

device is detected, the legacy USB support is disabled. Configuration options: [Disabled]

[Enabled] [Auto]

USB 2.0 Controller Mode [HiSpeed]

Allows you to configure the USB 2.0 controller in HiSpeed (480Mbps) or Full Speed

(12Mbps). Configuration options: [FullSpeed] [HiSpeed]

The following items may only appear when a USB storage device is plugged.

USB Mass Storage Device Configuration

USB Mass Storage Reset Delay [20 Sec]

Allows you to set the maximum time that the BIOS waits for the USB storage device to

initialize. Configuration options: [10 Sec] [20 Sec] [30 Sec] [40 Sec]

Emulation Type [Auto]

Allows you to set the emulation type. Configuration options: [Auto] [Floppy] [Forced FDD]

[Hard Disk] [CDROM]

2.4.6

PCI PnP

The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.

The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA

devices, and setting the memory size block for legacy ISA devices.

Take caution when changing the settings of the PCI PnP menu items. Incorrect field values

can cause the system to malfunction.

Plug and Play O/S [No]

When set to [No], BIOS configures all the devices in the system. When set to [Yes] and if you

install a Plug and Play operating system, the operating system configures the Plug and Play

devices not required for boot. Configuration options: [No] [Yes]

Section	Page
Notices	6
Safety information	7
About this guide	8
P5P41D specifications summary	9
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	12
1.4 Before you proceed	14
1.5 Motherboard overview	15
1.5.1 Placement direction	15
1.5.2 Screw holes	15
1.5.3 Motherboard layout	16
1.5.4 Layout contents	16
1.6 Central Processing Unit (CPU)	17
1.6.1 Installing the CPU	17
1.6.2 Installing the CPU heatsink and fan	20
1.6.3 Uninstalling the CPU heatsink and fan	21
1.7 System memory	22
1.7.1 Overview	22
1.7.2 Memory configurations	23
1.7.3 Installing a DIMM	28
1.7.4 Removing a DIMM	28
1.8 Expansion slots	29
1.8.1 Installing an expansion card	29
1.8.2 Configuring an expansion card	29
1.8.3 PCI slots	29
1.8.4 PCI Express x1 slots	29
1.8.5 PCI Express x16 slot	29
1.9 Jumpers	30
1.10 Connectors	31
1.10.1 Rear panel connectors	31
1.10.2 Internal connectors	32
1.11 Software support	38
1.11.1 Installing an operating system	38
1.11.2 Support DVD information	38
BIOS information	39
2.1 Managing and updating your BIOS	39
2.1.1 ASUS Update utility	39
2.1.2 ASUS EZ Flash 2 utility	40
2.1.3 ASUS CrashFree BIOS 3 utility	41
2.2 BIOS setup program	42
2.2.1 BIOS menu screen	43
2.2.2 Menu bar	43
2.2.3 Navigation keys	44
2.2.4 Menu items	44
2.2.5 Submenu items	44
2.2.6 Configuration fields	44
2.2.7 Pop-up window	44
2.2.8 Scroll bar	44
2.2.9 General help	44
2.3 Main menu	45
2.3.1 System Time [xx:xx:xx]	45
2.3.2 System Date [Day xx/xx/xxxx]	45
2.3.3 Primary IDE Master/Slave and SATA 1-4	45
2.3.4 Storage Configuration	46
2.3.5 System Information	47
2.4 Advanced menu	47
2.4.1 JumperFree Configuration	47
2.4.2 CPU Configuration	49
2.4.3 Chipset	50
2.4.4 Onboard Devices Configuration	51
2.4.5 USB Configuration	51
2.4.6 PCI PnP	52
2.5 Power menu	53
2.5.1 Suspend Mode [Auto]	53
2.5.2 ACPI 2.0 Support [Enabled]	53
2.5.3 ACPI APIC Support [Enabled]	53
2.5.4 APM Configuration	53
2.5.5 Hardware Monitor	54
2.6 Boot menu	55
2.6.1 Boot Device Priority	55
2.6.2 Boot Settings Configuration	55
2.6.3 Security	56
2.7 Tools menu	57
2.7.1 ASUS EZ Flash 2	57
2.7.2 Express Gate [Auto]	57
2.7.3 AI NET 2	58

Asus P5P41D User Manual - Page 52

Legacy USB Support [Auto], USB 2.0 Controller Mode [HiSpeed], USB Mass Storage Reset Delay [20 Sec

Page 52 highlights