40 ESP-4 MI Serial Hub Installer/User Guide
To send a break to a port:
1. From the Top Menu, enter the number (1-4) corresponding to the desired port.
The Port Configuration menu for that port appears.
2. Enter
4 from the Port Configuration Menu.
A message will indicate that the break has been sent.
3. Press any key to continue.
Displaying Hardware Information
The Hardware Information display includes the following items.
• Model number
• Hardware revision number
• Number of serial ports
• EEPROM revision number
• Amount of SDRAM in megabytes
• Amount of Flash memory in megabytes
• Amount of EEPROM configuration memory in kilobytes
• Hub MAC address
• Hub serial number
This information cannot be modified.
To display hardware information:
1. From the Top Menu, enter
0 to select Server Configuration.
2. From the Server Configuration menu, enter
5 to select Hardware Information.
Displaying or Updating Flash Memory
The Flash Update display includes information about the current images loaded in Flash memory.
You may update the embedded application image or bootstrap image in Flash memory. Before
updating a Flash image, you must configure a TFTP server on the target server system and install
the new Flash image in the appropriate location, which is usually relative to the TFTP
root directory.
To display Flash image information or update an image:
1. From the Top Menu, enter
0 to select Server Configuration.
2. From the Server Configuration menu, enter
2 to select Flash status and update.
3. All application and kernel image information is displayed (version, size and status), plus the
FPGA version and size.
4. You are prompted to update the application image. Enter
y for yes or n for no.
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