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Setup Menus 89
PCI Devices Submenu
This submenu provides three fields that allow you to control certain
characteristics of the PCI expansion slots. Table 15 lists the fields and
options.
I/O Device Configuration Submenu
This submenu contains fields to control the I/O ports on the back panel of
the system. Table 16 lists the fields and the options available for each.
Table 15: PCI Devices Submenu
Field Options Description
Option ROM Scan Enabled
Disabled
Enables the option ROM scan of all
devices other than the onboard SCSI
controllers.
Enable Master Disabled
Enabled
Enables all devices, other than the
onboard SCSI controllers, as PCI bus
masters.
Latency Timer Default
0020h
0040h
0060h
0080h
00A0h
00C0h
00E0h
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.
Table 16: I/O Device Configuration Submenu
Field Options Description
Serial Port A Disabled
Enabled
Auto
OS Controlled
Auto forces the BIOS to configure the port.
OS Controlled is shown when the operating
system controls the port.
Base I/O Address 3F8
2F8
3E8
2E8
Selects the base I/O address for COM port
A.
Interrupt IRQ 4
IRQ 3
Selects the IRQ for COM port A.
Serial Port B Disabled
Enabled
Auto
OS Controlled
Auto forces the BIOS to configure the port.
OS Controlled is shown when the operating
system controls the port.
3424.boo Page 89 Wednesday, September 2, 1998 9:23 AM