if (cmd->convert_src == TRIG_TIMER) {   /*  Test Acquisition timing */
                if (cmd->scan_begin_src == TRIG_TIMER) {
-                       if ((cmd->convert_arg)
-                               && (cmd->convert_arg <
-                                       this_board->ui_MinAcquisitiontimeNs)) {
-                               cmd->convert_arg =
-                                       this_board->ui_MinAcquisitiontimeNs;
+                       if (cmd->convert_arg &&
+                           (cmd->convert_arg < 10000)) {
+                               cmd->convert_arg = 10000;
                                err++;
                        }
                } else {
-                       if (cmd->convert_arg <
-                               this_board->ui_MinAcquisitiontimeNs) {
-                               cmd->convert_arg =
-                                       this_board->ui_MinAcquisitiontimeNs;
+                       if (cmd->convert_arg < 10000) {
+                               cmd->convert_arg = 10000;
                                err++;
-
                        }
                }
        }
 
                .i_NbrDoChannel         = 4,
                .i_DoMaxdata            = 0x0f,
                .b_AvailableConvertUnit = 1,
-               .ui_MinAcquisitiontimeNs = 10000,
                .ui_MinDelaytimeNs      = 100000,
                .interrupt              = v_APCI3120_Interrupt,
                .ao_write               = i_APCI3120_InsnWriteAnalogOutput,
                .i_NbrDoChannel         = 4,
                .i_DoMaxdata            = 0x0f,
                .b_AvailableConvertUnit = 1,
-               .ui_MinAcquisitiontimeNs = 10000,
                .ui_MinDelaytimeNs      = 100000,
                .interrupt              = v_APCI3120_Interrupt,
        },