Nexcom PEAK650VL2B - Page 34

Peak 650 User's Guide Rev. A October 2000
BIOS Setup
4-18
Onboard SCSI Boot ROM
Decide whether to invoke the boot ROM of the onboard SCSI.
The choice: Enabled, Disabled.
On-Chip Primary/Secondary PCI IDE
The chipset contains a PCI IDE interface with support for two IDE channels. Select Enabled to activate the
primary/secondary IDE interface. Select Disabled to deactivate the primary/secondary IDE
The choice: Enabled, Disabled.
Note:
1. On-chip Secondary PCI IDE:
Enabled: enable secondary IDE port and BIOS will assign IRQ15 for this port.
Disabled: disable secondary IDE port and IRQ15 is available for other device. The item is optional
only for PCI BIOS.
2. Some of the sound cards have an onboard CD-ROM controller, which uses IDE Secondary Port.
In order to avoid PCI IDE conflict, the IDE secondary channel control has to select isabled

then
CD-ROM can work.
IDE Primary/Secondary Master/Slave PIO
The four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-4) for each of the four IDE
devices that the on-Board IDE interface supports. Modes 0 through 4 provide successively increased
performance. In Auto mode, the system automatically determines the best mode for each device.
The Choice: Auto, Mode 0, Mode 1, Mode 2, Mode 3 and Mode 4.
IDE Primary/Secondary Master/Slave UDMA
Ultra DMA/33 implementation is possible only if your IDE hard drive supports it and the operating
environment includes a DMA driver (Windows 95 OSR2 or a third-party IDE bus master driver). If your
hard drive and your system software both support Ultra DMA/33, select Auto to enable BIOS support.
The Choice: Auto, Disabled.
USB Controller
Select
Enabled
if your system contains a Universal Serial Bus (USB) controller and you have USB
peripherals.
The Choice: Enabled, Disabled.
USB Keyboard Support
Select Enabled if your system contains a Universal Serial Bus (USB) controller and you have a USB
keyboard.
The Choice: Enabled, Disabled.