Gateway ALR 9250R User Manual page 100

86 Gateway ALR 9250R User's Guide
PCI devices submenu
This submenu provides three fields that allow you to control certain
characteristics of the PCI expansion slots. The table below lists the fields
and options.
PCI Devices Submenu Fields
Field Options
Option ROM Scan Enabled
Disabled
Enable Master Disabled
Enabled
Latency Timer Default
0020h
0040h
0060h
0080h
00A0h
00C0h
00E0h
I/O device configuration submenu
This submenu contains fields to control the I/O ports on the back panel of
the system. The table below lists the fields and the options available for
each.
I/O Device Configuration Submenu
Field Options
Serial Port A Disabled
Enabled
Auto
OS Controlled
Base I/O Address 3F8
2F8
3E8
2E8
Interrupt IRQ 4
IRQ 3
Description
Enables the option ROM scan of all
devices other than the onboard SCSI
controllers.
Enables all devices, other than the
onboard SCSI controllers, as PCI bus
masters.
Defines the minimum guaranteed time,
in units of PCI bus clocks, that a device
can be master on a PCI bus. Typically,
option ROM code overwrites the value
set by the BIOS.
Description
Auto forces the BIOS to configure the port.
OS Controlled is shown when the operat-
ing system controls the port.
Selects the base I/O address for COM port
A.
Selects the IRQ for COM port A.