36
secondary IDE interface.
Note
UltraDMA modes are not supported directly by the XE–900. These modes require
an 80-pin connector, and there is no adapter available for the 44-pin, 2mm IDE
connector used on the XE–900.
Custom Configuration menu
The Custom Configuration menu allows you to set parameters for COM3-6, digital
I/O, watchdog timer, video, and DMA channel reserved for system use. Default
values are shown in the menu.
System BIOS Setup - Custom Configuration
(C) 2004 General Software, Inc. All rights reserved
COM3-6 Enable (See doc.) :>Normal
COM5 Mode : RS232/422
COM6 Mode : RS232/422
Digital I/I Base Address : 0x120
Watchdog Timer : Disabled
RAM Reserved for Video : 8 MB
AGP Aperture Size : 128
CRT Analog Output : Enabled
DMA Channel to Disable : DMA2
↑
/
↓
/
←
/
→
/CR/<Tab> to select or <PgUp>/<PgDn>/+/- to modify
<Esc> to return to main menu
COM3-6 Enable:
Normal, Disabled, Alternate. This item enables or disables COM3-6
for serial operation. COM3 through COM6 share IRQ9. The
Disabled option disables I/O to COM3 through COM6. Normal and
Alternate select the base address of COM3 through COM6 as shown
below; only COM5 and COM6 are changed.
Port
Normal Base Address
Alternate Base Address
COM3
0x3E8
0x3E8
COM4
0x2E8
0x2E8
COM5
0x1A8
0x1C8
COM6
0x1A0
0x1C0
Note: COM1 is always enabled at base address 0x3F8, using IRQ 4;
COM2 is always enabled at base address 0x2F8, using IRQ 3. IRQ9
is always used by COM3-6 even if disabled. IRQ9 is
NOT available
for PC/104 devices
.
COM5 Mode:
RS232/422, RS485. This item selects two-wire RS485, or four-wire
operation (RS232/422 or TTL) for COM5.
COM6 Mode:
RS232/422, RS485. This item selects two-wire RS485, or four-wire
operation (RS232/422 or TTL) for COM6.
Digital I/O base Address:
0x120h, 0x320h, or disabled. Sets the base address for digital I/O.
Watchdog:
Enabled, Disabled. Enables watchdog timer.
RAM reserved for Video:
Disabled, 8MB, 16MB, 32MB. Specifies the amount of RAM
reserved for video.
API Aperture Size:
2, 4, 8, 16, 32, 64, or 128. Sets the size for the API aperture.
Содержание XE-900
Страница 19: ...19 Figure 2 1 XE 900 SBC component diagram top ...
Страница 20: ...20 Figure 2 2 XE 900 SBC component diagram bottom ...
Страница 21: ...21 Figure 2 3 XE 900 SBC dimensions without Integrated Conductive Cooling System ...
Страница 38: ...38 ...
Страница 91: ...91 Figure 15 2 Dimensions for the Integrated Conductive Cooling System ...