Hello ! I try to use on the same server E100P + TDM40B without success. When i add one one of them, no error on module load. But when both are active, zaptel see strange configuration. Here is my configuration : zaptel.conf : span=1,1,0,ccs,hdb3,crc4 bchan=1-15,17-31 dchan=16 fxols=32-35 Error display : # modprobe wct1xxp ZT_CHANCONFIG failed on channel 32: No such device or address (6) FATAL: Error running install command for wct1xxp /proc/interrupts : 0: 677723 XT-PIC timer 1: 8 IO-APIC-edge i8042 8: 4 IO-APIC-edge rtc 9: 0 IO-APIC-level acpi 14: 4409 IO-APIC-edge ide0 15: 13 IO-APIC-edge ide1 177: 390032 IO-APIC-level t1xxp 185: 193773 IO-APIC-level wctdm 193: 22903 IO-APIC-level eth0 I have also disable all motherboard extension as firewire, second ide controler etc... Any idea? Thanks !