FAQ

System information
To view your S4810-ON or N1108EP-ON system information; for example, the model, part number, serial number, and service tag, follow
these steps.
1 Reboot your system and enter U-Boot mode.
2 Enter the sys_eeprom command.
Example of the sys_eeprom Command
dell_< platform >_on-> sys_eeprom
TlvInfo Header:
Id String: TlvInfo
Version: 1
Total Length: 73
TLV Name Code Len Value
-------------------- ---- --- -----
MAC Addresses 0x2A 2 65
Base MAC Address 0x24 6 00:E0:0C:02:01:FD
Vendor Name 0x2D 4 Dell
Product Name 0x21 8 <
platform>
Part Number 0x22 10 7590009602
Serial Number 0x23 13 HADL127B20077
Manufacturer 0x2B 1 1
Service Tag 0x2F 2 123A1B2
Label Revision 0x27 3 A00
CRC-32 0xFE 4 0x4AF6A929
Checksum is valid.
Boot processes
After the BIOS or U-Boot hardware verications, POST tests run to verify the CPU and memory prior to booting the system software.
NOTE
: The N1108EP-ON switch is a U-Boot-based platform.
After POST testing, there are three additional types of diagnostic tools you can use for testing your system.
• Manual diagnostic boot process — To run additional testing, manually download and run the EDA tool. The EDA tool reports and logs
pass/fail results.
• ONIE with EDA — EDA is installed; you do not have to manually download the tool. Select the diagnostic option at boot-up. You can
run this tool without a management interface.
• Autorun EDA — EDA is installed; you do not have to manually download the tool. Select the diagnostic option at boot-up. You can run
this tool without a management interface. The system always launches EDA in Quick Test mode to verify the hardware components
before loading the software. If there is a failure at boot-up, based on the EDA conguration, the software may or may not continue the
boot process.
POST
POST diagnostics veries system memory before the software loads. Test conguration parameters are saved in CMOS for the next boot-
up.
ONIE diagnostics
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