Dell Serial Port (Type 210)

Source: Dell libsmbios, doc/smbios23.xml.

Table 1. Dell Serial Port structure
Offset	Version	Name	Length	Value	Description
`0x00`	2.2+	Type	`BYTE`	`210`	Dell Serial Port indicator
`0x01`	2.2+	Length	`BYTE`	`0x0C`	Length of the structure
`0x02`	2.2+	Handle	`WORD`	Varies
`0x04`	2.2+	Base I/O Address	`WORD`	`ADDRESS`
`0x06`	2.2+	IRQ	`BYTE`	`NUMBER`
`0x07`	2.2+	Connector Type	`BYTE`	`ENUM`	See Connector types for details
`0x08`	2.2+	Capabilities	`BYTE`	`ENUM`	See Capabilities for details
`0x09`	2.2+	Maximum BIOS Speed	`WORD`	`SPEED`	Highest speed the BIOS supports on the port, in hundreds of bits per second, e.g. 1152 for 115200 bit/s. The source gives no unit, which is inferred from the data of Dell systems.
`0x0B`	2.2+	Security Settings	`BYTE`	`ENUM`	See Security settings for details

1. Dell Serial Port — Connector types

Table 4. Dell Serial Port: Security settings field
Hex Value	Dec Value	Meaning
`0x01`	`1`	Other
`0x02`	`2`	Unknown
`0x03`	`3`	None
`0x04`	`4`	External Interface Locked Out
`0x05`	`5`	External Interface Enabled
`0x06`	`6`	Boot-bypass