- static const Int_t fgknSPDmodules = 240; //number of SPD modules
- static const Int_t fgkLADDonLay1 = 80; //number of modules on layer 1
- static const Int_t fgkLADDonLay2 = 160; //number of modules on layer 2
+ static const Short_t fgknSPDmodules = 240; //number of SPD modules
+ static const Short_t fgkLADDonLay1 = 80; //number of modules on layer 1
+ static const Short_t fgkLADDonLay2 = 160; //number of modules on layer 2
+ static const Short_t fgkSPDchips = 1200; //number of chips