const char *pc_DriverName;
        int i_NbrAiChannel;
        int i_NbrAiChannelDiff;
-       int i_AiChannelList;
        int i_AiMaxdata;
        unsigned char b_AvailableConvertUnit;
        unsigned int ui_MinAcquisitiontimeNs;
                .pc_DriverName          = "apci3000-16",
                .i_NbrAiChannel         = 16,
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3000-8",
                .i_NbrAiChannel         = 8,
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3000-4",
                .i_NbrAiChannel         = 4,
                .i_NbrAiChannelDiff     = 2,
-               .i_AiChannelList        = 4,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3006-16",
                .i_NbrAiChannel         = 16,
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3006-8",
                .i_NbrAiChannel         = 8,
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3006-4",
                .i_NbrAiChannel         = 4,
                .i_NbrAiChannelDiff     = 2,
-               .i_AiChannelList        = 4,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3010-16",
                .i_NbrAiChannel         = 16,
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3010-8",
                .i_NbrAiChannel         = 8,
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3010-4",
                .i_NbrAiChannel         = 4,
                .i_NbrAiChannelDiff     = 2,
-               .i_AiChannelList        = 4,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3016-16",
                .i_NbrAiChannel         = 16,
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3016-8",
                .i_NbrAiChannel         = 8,
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3016-4",
                .i_NbrAiChannel         = 4,
                .i_NbrAiChannelDiff     = 2,
-               .i_AiChannelList        = 4,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3100-16-4",
                .i_NbrAiChannel         = 16,
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3100-8-4",
                .i_NbrAiChannel         = 8,
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3106-16-4",
                .i_NbrAiChannel         = 16,
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3106-8-4",
                .i_NbrAiChannel         = 8,
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 10000,
                .pc_DriverName          = "apci3110-16-4",
                .i_NbrAiChannel         = 16,
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3110-8-4",
                .i_NbrAiChannel         = 8,
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 4095,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3116-16-4",
                .i_NbrAiChannel         = 16,
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                .pc_DriverName          = "apci3116-8-4",
                .i_NbrAiChannel         = 8,
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
        [BOARD_APCI3003] = {
                .pc_DriverName          = "apci3003",
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 4,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 7,
                .ui_MinAcquisitiontimeNs = 2500,
        [BOARD_APCI3002_16] = {
                .pc_DriverName          = "apci3002-16",
                .i_NbrAiChannelDiff     = 16,
-               .i_AiChannelList        = 16,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
        [BOARD_APCI3002_8] = {
                .pc_DriverName          = "apci3002-8",
                .i_NbrAiChannelDiff     = 8,
-               .i_AiChannelList        = 8,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
        [BOARD_APCI3002_4] = {
                .pc_DriverName          = "apci3002-4",
                .i_NbrAiChannelDiff     = 4,
-               .i_AiChannelList        = 4,
                .i_AiMaxdata            = 65535,
                .b_AvailableConvertUnit = 6,
                .ui_MinAcquisitiontimeNs = 5000,
                        devpriv->b_SingelDiff = 1;
                }
                s->maxdata = board->i_AiMaxdata;
-               s->len_chanlist = board->i_AiChannelList;
+               s->len_chanlist = s->n_chan;
                s->range_table = &apci3xxx_ai_range;
 
                s->insn_config = i_APCI3XXX_InsnConfigAnalogInput;