COM Device ID Fields

Hayes SPNP devices implement the fields listed in Table 2 (of Plug and Play External COM Device Draft Specification, Rev. 1.00) as follows.:

Note: The ^A is used to represent the character 01 hex (which is control A).

Other ID        Omit                                                                        


                                                                                            


                                                                                            


Begin PnP       Include   (                                                                 


                                                                                            


                                                                                            


PnP Rev         Include   ^A$   indicates revision 1.00                                     


                                                                                            


                                                                                            


EISA ID         Include   HAY                                                               


                                                                                            


                                                                                            


Product ID      Include   Description to follow                                             


                                                                                            


                                                                                            


Extend          Include   \                                                                 


                                                                                            


                                                                                            


Serial Num      Omit                                                                        


                                                                                            


                                                                                            


Extend          Include   \                                                                 


                                                                                            


                                                                                            


Class Name      Include   MODEM                                                             


                                                                                            


                                                                                            


Extend          Include   \                                                                 


                                                                                            


                                                                                            


Driver ID       Optional  May include EISA ID and Product ID of a prior similar Hayes       


                product or a Microsoft device ID.                                            


                                                                                            


                                                                                            


Extend          Include   \                                                                 


                                                                                            


                                                                                            


User Name       Include   ;, <;Project/Country #>;, <;Rev>;e.g. OPTIMA  


                288 V.34+FAX,  5306AM, V4.0                                                  


                                                                                            


                                                                                            


Checksum        Include   per Plug and Play External COM Device Draft Specification, Rev.   


                1.00                                                                         


                                                                                            


End PnP         Include   )                                                                 


                                                                                            


                                                                                            


CRLF            Include  <;CR?;<;LF>;

Example string (without Serial Number or Driver ID): (^A$HAY0001\\MODEM\\OPTIMA 288 V.34 + FAX,5306AM, V4.0 cs) Note 1: cs represents the two checksum hex numbers.
Note 2: The version number is of variable length.

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