int n_aichand;          /*  num of A/D chans in diff mode */
        int n_aochan;           /*  num of D/A chans */
        int n_dichan;           /*  num of DI chans */
-       int n_dochan;           /*  num of DO chans */
        int ai_maxdata;         /*  resolution of A/D */
        int ao_maxdata;         /*  resolution of D/A */
        const struct comedi_lrange *rangelist_ai;       /*  rangelist for A/D */
                n_subdevices++;
        if (this_board->n_dichan)
                n_subdevices++;
-       if (this_board->n_dochan)
-               n_subdevices++;
+       n_subdevices++;
        n_subdevices++;
 
        ret = comedi_alloc_subdevices(dev, n_subdevices);
                subdev++;
        }
 
-       if (this_board->n_dochan) {
-               s = &dev->subdevices[subdev];
-               s->type = COMEDI_SUBD_DO;
-               s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
-               s->n_chan = this_board->n_dochan;
-               s->maxdata = 1;
-               s->len_chanlist = this_board->n_dochan;
-               s->range_table = &range_digital;
-               s->io_bits = (1 << this_board->n_dochan) - 1;
-               s->state = 0;
-               s->insn_bits = icp_multi_insn_bits_do;
-               subdev++;
-       }
+       s = &dev->subdevices[subdev];
+       s->type = COMEDI_SUBD_DO;
+       s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+       s->n_chan = 8;
+       s->maxdata = 1;
+       s->len_chanlist = 8;
+       s->range_table = &range_digital;
+       s->io_bits = 0xff;
+       s->state = 0;
+       s->insn_bits = icp_multi_insn_bits_do;
+       subdev++;
 
        s = &dev->subdevices[subdev];
        s->type = COMEDI_SUBD_COUNTER;
                .n_aichand      = 8,
                .n_aochan       = 4,
                .n_dichan       = 16,
-               .n_dochan       = 8,
                .ai_maxdata     = 0x0fff,
                .ao_maxdata     = 0x0fff,
                .rangelist_ai   = &range_analog,