What looks to be a complete Hard Drivin board set with some Race Drivin ROMs in certain locations, unable to test so it's sold as shown.

Hard Drivin'/Race Drivin' ROM Part Number System

Generally, 136052-xxxx was Hard Drivin' Cockpit
136091-xxxx was Hard Drivin' Compact
136088-xxxx was Panorama
136077-xxxx was Race Drivin' Cockpit
136078-xxxx was Race Drivin' Compact

Using Hard Drivin' Cockpit as an example:

136052-nxxx   where 'n' was the version number

For example:

136052-0xxx  was a pre-production prototype

136052-1xxx  was the first released version. This number increased every time a new version was released.

Good website for Info