3.3 Example PnP ID Responses

The following are example responses that a Plug and Play compatible COM device might generate. All ID entries are fictitious, unless otherwise noted.

Table 3.  Example PnP ID response, Mouse, without optional fields, 6-bit characters

Field Data (hex)

Field Name

Description

4D

Other ID

Identifies a mouse for old drivers

08

Begin PnP

"(" indicates PnP IDs will follow

00,01

PnP Rev

identifies PnP version 0.01

21,2D,23

EISA ID

"AMC" (A Mouse Company)

11,12,13,14

Product ID

"1234" (a random example)

09

End PnP

")" indicates PnP IDs are complete


Table 4.  Example PnP ID response, Modem, with optional fields, 7-bit characters

Field Data (hex)

Field Name

Description

-

Other ID

-omitted, not a mouse-

28

Begin PnP

"(" indicates PnP IDs will follow

01,24

PnP Rev

identifies PnP version 1.0

4D,44,43

EISA ID

"MDC" (Modem Design Company)

30,32,38,38

Product ID

"0288" (random example)

5C,30,30,33,31,34,31,35,39

Serial #

"\00314159" (random example)

5C,4D,4F,44,45,4D

Class Name

"\MODEM" (a real Class name)

5C,4D,44,43,30,31,34,34,

2C,41,54,4D,30,30,39,36

Device ID

"\MDC0144" (e.g. previous product)

",ATM0096" (e.g. generic AT modem )

5C,5A,49,50,20,32,38,38

User Name

"\ZIP 288" (random model name)

43,34

Checksum

"C4" mod-256 2 byte hex checksum

29

End PnP

")" indicates PnP IDs complete