IBM Personal System/2 Mdl 35SX & 35LS Guide & Starter Disk New in Box. This product data sheet is originally written in English. Mdl 35SX & 35LS. Guide & Starter Disk. New in Original Pkg. Great addition to your. IBM Personal System/2 Mdl 35SX & 35LS Guide & Starter Disk New in Original Pkg great addition to your Vintage Software Collection!