Chapter 4 BIOS Setup
CoreModule 420 Reference Manual 51
This feature, if enabled by selecting a timer interval, will direct the watchdog timer to reset
the system if it fails to boot the OS properly.
♦ Serial Console – [Hot Cable] or [Enabled]
∗ The Hot Cable option only allows console redirection when a Hot Cable is actually
connected to Serial 1 or 2 (COM 1 or 2). The Hot Cable option can not be used on Serial
3 or 4 (COM 3 or 4). Use the modified serial cable described in Chapter 3, under Hot
(Serial) Cable.
∗ The [Enabled] option instructs the BIOS to operate in the serial console (console
redirection) mode at all times with the serial port selected in the Serial Console > Port
field listed below. This option can be used on any of the Serial ports (Serial 1, 2, 3, or 4).
Use a standard null-modem serial cable.
∗ However, connecting a Hot Cable to the other port (port not selected) overrides the setting
of this field [Enabled] and the Serial Console > Port field.
• Port – [3F8h], [2F8h], [3E8h], or [2E8h]
This field selects the COM (Serial) port address used for console redirection when
[Enabled] has been selected in Serial Console. Use a standard null-modem serial cable.
However, connecting a Hot Cable to the other port (port not selected) overrides this field
setting and activates the connected port. Connecting a Hot Cable to one of the serial ports
only allows console redirection when a Hot Cable is actually connected to Serial 1 or 2.
Use the modified serial cable described in Chapter 3, under Hot (Serial) Cable.
• On-Board Serial Ports
♦ Serial 1 Mode – [RS-232] or [RS-485]
♦ Serial 2 Mode – [RS-232] or [RS-485]
♦ Serial 3 – [Disabled], [3F8h], [2F8h], [3E8h], [2E8h], [260h], [2F0h], [3E0h], [2E0h],
[200h], or [220h]
• IRQ – [none], [1], [3], [4], [5], [6], [7], [8], [9], [10], [11], or [12]
♦ Serial 4 – [Disabled], [3F8h], [2F8h], [3E8h], [2E8h], [260h], [2F0h], [3E0h], [2E0h],
[200h], or [220h]
• IRQ – [none], [1], [3], [4], [5], [6], [7], [8], [9], [10], [11], or [12]
• On-Board LPT Port
If the Floppy Drive is selected instead of the Parallel port, these settings have no effect.
♦ LPT 1 – [Disabled], [378h], [278h], [3BCh], [370h], or [270h]
• IRQ – [none], [1], [3], [4], [5], [6], [7], [8], [9], [10], [11], or [12]
• DMA – [3], [2], [1], or [0]
• Mode – [Standard], [SPP (bi-dir)], [EPP 1.7 + SPP], [EPP 1.9 + SPP], [EPP 1.7 + ECP],
[EPP 1.9 + ECP], or [ECP]
• On-Board Video
♦ Framebuffer Size – [Disabled], [1MB], [2MB], [3MB], or [4MB]
♦ VGA Palette Snoop – [Disabled] or [Enabled]
• On-Board Controllers
♦ Primary IDE – [Disabled] or [Enabled]
♦ Secondary IDE – [Disabled] or [Enabled]
♦ PS/2 Mouse IRQ – [none], [1], [3], [4], [5], [6], [7], [8], [9], [10], [11], or [12]
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