BCM Advanced Research
64
Table 4.1.4 Integrated Peripherals Selections
Feature
Options
Description
On-Chip
Primary &
Secondary PCI
IDE
Enabled
Disabled
Enable or Disable the corresponding on-board
IDE adapter.
USB Controller
Enabled Disabled
Enable or Disable the on-board Universal
Serial Bus (USB) controller
Onboard FDC
Controller
Enabled
Disabled
Enable or Disable the on-board Floppy Disk
Drive controller
Onboard Serial
Port 1
Disabled
3F8/IRQ4
2F8/IRQ3
3E8/IRQ4
2E8/IRQ3
Auto
Disable or Enable the first onboard serial port.
3F8 through 2E8 correspond to Com1 through
Com4 assignments respectively.
Onboard Serial
Port 2
Disabled
3F8/IRQ4
2F8/IRQ3
3E8/IRQ4
2E8/IRQ3
Auto
Disable or Enable the second onboard serial
port. 3F8 through 2E8 correspond to Com1
through Com4 assignments respectively.
UART2 Mode
Standard IrDA
ASK-IR
Select mode for the second serial port.
‘Standard’ is used for normal serial
communications. ‘IrDA’ is used for Infra-Red
communications at a rate of up to 115 kBaud.
ASK-IR is used for Infra-Red communication
at up to 19.2kBaud.
Duplex Select
Half
Full
Select ‘Half’ or ‘Full’ duplex to match the
specification of the IR capable peripheral that
is being used.
TxD, RxD
Active
Lo,Lo
Hi,Hi
Hi,Lo
Lo,Hi
Sets the transmit and receive active level, i.e.
‘Hi,Lo’ means that the transmit output is active
high (+V) and the receive input is active low
(Logic Ground)
Onboard
Parallel Port
Disabled
3BC/IRQ7
378/IRQ7
278/IRQ5
Disable or Enable the Parallel Port. 3BC, 378,
278 correspond to printer ports LPT3, LPT2,
LPT1 respectively.
Parallel Port
Mode
Normal
EPP1.7+SPP
ECP+EPP1.7
SPP
EPP1.9+SPP
ECP
ECP+EPP1.9
‘Normal’ can be selected when the port is used
for printer only. The Enhanced Parallel Port
(EPP) protocol is meant to be used with
peripherals such as CD ROM and Tape
Backup. The Extended Capabilities Port (ECP)
protocol is meant to be used with multi-
function peripherals, such as a
Fax/Printer/Modem device.
ECP Mode used
DMA
1, 3
Select the Dynamic Memory Address (DMA)
channel to be used by the parallel port. Only
available when ECP mode is selected.
Onboard Audio
Chip
Enabled
Disabled
Enable or Disable the audio chip on the
motherboard.
