i downloaded this because the manufacturers website didnt list the one i need(CWO58D)thinking i might get lucky but no better luck to you their site also has the manual and firmware for your model
The following files are found inside the driver download file.
|BIOS120C.EXE||584.3 KB||27 Nov 2001|
|WBIOS120C.EXE||692.2 KB||27 Nov 2001|
|wbios120c/BIOS120C.EXE||584.3 KB||23 Jul 2005|
|wbios120c/WBIOS120C.EXE||692.2 KB||23 Jul 2005|