InstallationPage 52 2EXM Slots012 43 50 1 2 3 4 5 6 7VME & VXIEMC8 9 10 11Figure 2. EXM Slot Numbering.Figure 2 lists two sample EXM slot configurations, but there are several chassisoptions available. Consult the specification sheet that shipped with your chassis ifyou are unsure about slot numbering for your particular system.All slots not occupied by an EXM module should show an ID of FF and OB1/OB2 of00 00 indicating that no EXM is present.To add or change an EXM configuration, use the cursor keys (arrows) to movebetween the fields on the screen. Move the cursor to the appropriate slot entry andtype in the correct value.The ID for the EXM-31 should be set to D0h (D-zero).OB1 is a hexadecimal value derived by combining the following:Reserved(bits 7-4)INT Select(bits 3,2,1)Card Enable(bit 0)0 0 0 0 see below 0 disable1 enableFigure 3. OB1 Register.OB1 contains the interrupt select and the card enable bit.
