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Chapter 6: BIOS
PCI/PnP Configuration
The menu options in the PCI/PNP CONFIGURATION submenu and their descriptions are
shown in Table 6-5.
DMA Mode
Selects the DMA Mode. Options are Auto, SWDMA0, SWDMA1, SWDMA2,
MWDMA0. MDWDMA1, MWDMA2, UDMA0. UDMA1, UDMA2, UDMA3,
UDMA4, UDMA5. and UDMA6.
(SWDMA=Single Word DMA, MWDMA=Multi Word DMA, UDMA=UltraDMA.)
S.M.A.R.T
Self-Monitoring Analysis and Reporting Technology (SMART) can help predict
impending drive failures. Select "Auto" to allow BIOS to auto detect hard disk
drive support. Select "Disabled" to prevent AMI BIOS from using the S.M.A.R.T.
Select "Enabled" to allow AMI BIOS to use the S.M.A.R.T. to support hard drive
disk. The options are Disabled, Enabled, and Auto.
32Bit Data
Transfer
Select "Enabled" to activate the function of 32-Bit data transfer. Select "Disabled"
to deactivate the function. The options are Enabled and Disabled.
IDE Detect Time Out
Use the +/- keys to adjust and select the time out for detecting ATA/ATAPI
devices. The default value is 35.
Table 6-5. PCI/PnP Configuration Submenu
Menu Option Description
Clear NVRAM Select YES to clear NVRAM during boot-up. The options are YES and No.
Plug & Play OS
Select YES to allow the OS to configure Plug & Play devices.
NOTE: Selecting Y
ES is not required for system boot if your system has an OS
that supports Plug & Play.
Select No to allow AMIBIOS to configure all devices in the system.
PCI Latency Timer
This option sets the latency of all PCI devices on the PCI bus. Select a value to
set the PCI latency in PCI clock cycles. Options are 32, 64, 96, 128, 160, 192,
224 and 248.
PCI IDE BusMaster
When enabled, this allows BIOS to use PCI busmastering for reading/writing to
IDE drives. Options include Enabled and Disabled.
ROM Scan Ordering
This setting determines which kind of option ROM activates prior to another.
Options include Onboard First and Addon First.
PCIE X16 Slot 1 This option enables or disables slot OPROM.
Onboard LAN Option
ROM Select
This setting allows you to select the onboard LAN option ROM for iSCSI or PXE.
Note: You must enable ONLY LAN1 when the iSCSI support option is specified.
Load Onboard LAN 1
Option ROM
This option allows you to enable or disable the onboard LAN 1 option ROM.
Load Onboard LAN 2
Option ROM
This option allows you to enable or disable the onboard LAN 2 option ROM.
Primary Video
Controller
This option specifies the primary video controller for Onboard VGA or Other.
Table 6-4. IDE Configuration Submenu (Continued)
Menu Option Description