Ampro LittleBoard 800, Reference Manual

Page: 75 / 96

Chapter 4 BIOS Setup
LittleBoard 800 Reference Manual 69
♦
Serial 4 – [Disabled], [3F8h], [2F8h], [3E8h], [ 2E8h ], [260h], [3E0h], [2E0h], [200h], [220h],
[228h], [238h], or [338h]
This field specifies the base address used for Serial Port 4.
•
IRQ – [none], [1], [3], [4], [5], [6], [7], [9], [ 10 ], [11], [12], [14], or [15]
This field specifies the IRQ used for Serial Port 4. If this field is set to [none], then no
IRQ is assigned, making it available for other devices.
•
Mode – [ RS-232 ] or [RS-485]
This field specifies the signal mode, RS232, or RS485, used for Serial Port 4. If [RS-485]
mode is selected, the RTS signal should be used to control the direction for this port
(transmit or receive).
•
On-Board LPT Port
♦
LPT 1 – [Disabled], [ 378h ], [278h], or [3BCh]
This field specifies the base address used for the Parallel Port (LPT 1).
•
IRQ – [none], [1], [3], [4], [5], [6], [ 7 ], [9], [10], [11], [12], [14], or [15]
This field specifies the IRQ used for the Parallel Port (LPT 1). If this field is set to
[none], then no IRQ is assigned, making it available for other devices.
•
DMA – [ 3 ], [2], [1], or [0]
This field specifies the DMA channel used for the Parallel Port (LPT 1). If the LPT 1
field is set to [Disabled], then no DMA channel is assigned, making it available for other
devices.
•
Mode – [ Standard ], [SPP (bi-dir)], [EPP 1.9 + SPP], [EPP 1.7 + ECP], [EPP 1.9 + ECP],
or [ECP]
This field specifies the Mode used for the Parallel Port (LPT1).
•
On-Board Controllers
♦
Floppy – [Disabled] or [ Enabled ]
If this field is set to [Enabled], then the on-board Floppy controller is used.
♦
Primary IDE – [Disabled] or [ Enabled ]
If this field is set to [Enabled], then the on-board Primary IDE controller is used.
♦
Secondary IDE – [Disabled] or [ Enabled ]
If this field is set to [Enabled], then the on-board Secondary IDE controller is used.
♦
PS/2 Mouse – [Disabled] or [ Enabled ]
∗
If this field is set to [Enabled], then the on-board PS/2 Mouse controller is used and
assigned an IRQ by the BIOS, typically IRQ 12.
∗
If this field is set to [Disabled], then the on-board PS/2 Mouse controller is not used and
IRQ 12 is available for other devices.
♦
USB – [Disabled], [2 Ports] or [ 4 Ports ]
∗
If this field is set to [4 Ports], both on-board USB controllers are used, each one
supporting two USB ports.
∗
If this field is set to [2 Ports], the first on-board USB controller is used, supporting two
USB ports, and the second on-board USB controller is disabled.
♦
Audio – [Disabled] or [ Enabled ]
If this field is set to [Enabled], the on-board Audio controller is used.