Hi, I have got a Digium TDM04B card (4 FXO modules installed) and i'm having problems getting it working. ztcfg reports the following: asterisk:~# ztcfg -vv Zaptel Configuration ===================== Channel map: Channel 01: FXS Kewlstart (Default) (Slaves: 01) Channel 02: FXS Kewlstart (Default) (Slaves: 02) Channel 03: FXS Kewlstart (Default) (Slaves: 03) Channel 04: FXS Kewlstart (Default) (Slaves: 04) 4 channels configured. ZT_CHANCONFIG failed on channel 1: No such device or address (6) When I do: modprobe zaptel I get the following in the logs: Sep 27 15:24:50 asterisk kernel: Zapata Telephony Interface Registered on major 196 Sep 27 15:24:50 asterisk kernel: Zaptel Version: 1.2.9.1 Echo Canceller: KB1 and when I do modprobe wctdm I get the following: Sep 27 15:25:39 asterisk kernel: ACPI: PCI interrupt 0000:01:01.0[A] -> GSI 22 (level, low) -> IRQ 217 Sep 27 15:25:39 asterisk kernel: Freshmaker version: 73 Sep 27 15:25:39 asterisk kernel: Freshmaker passed register test Sep 27 15:25:40 asterisk kernel: Module 0: Not installed Sep 27 15:25:40 asterisk kernel: Module 1: Not installed Sep 27 15:25:40 asterisk kernel: Module 2: Not installed Sep 27 15:25:40 asterisk kernel: Module 3: Not installed Sep 27 15:25:40 asterisk kernel: wctdm: probe of 0000:01:01.0 failed with error -5 lspci is showing the following: 0000:01:01.0 Communication controller: Tiger Jet Network Inc. Tiger3XX Modem/ISDN interface Subsystem: Unknown device b119:0003 Flags: bus master, medium devsel, latency 64, IRQ 217 I/O ports at de00 [size=256] Memory at fe9fe000 (32-bit, non-prefetchable) [size=4K] Capabilities: [40] Power Management version 2 Can anyone help? Thanks Ian