Update your SD card driver from the PC's Support Downloads web page, using the full model number, Serial Number or Dell Service Tag on sticker. Compare the latest drivers available for download with the ones presently installed in Device Manager reached by right clicking the Start Menu. Download and install the latest. Java Runtime Environment, free and safe download. Java Runtime Environment latest version: Run different Java applications. Java Runtime Environment (JRE) is a software layer that provides services required to execute Jav.
General
➡SCS USB driver installer 2.08.24 (Windows XP and higher)
➡SCS macOS USB driver (macOS 10.11 - 10.13)
➡SCSupdate 2.0.0.11 - with new internet update function
➡SCSmail 2.3.0.1
➡Easytransfer 5.30
➡Alpha 4.0 - the terminal program for the PTC modems
➡Using USB modems as Network modems
➡PMON a PACTOR Montoring Utility for Linux
➡PMON_LZH tool for Windows (needs a DR-7800 or DR-7400)
➡PMON_LZH tool for Windows Source Code
P4dragon Series
DR-7X00 Installation guide
P4config 1.0 - a P4dragon configuration tool
Data sheet DR-7800
Data sheet DR-7400
New commands in the DR-7800
P4dragon Firmware 2.30.97 - firmware history
Update Info for Firmware Version 1.10 - New: Auto Decoder
Update Info for Firmware Version 1.17 - New: PACTOR Monitor
Update Info for Firmware Version 2.00 - New: Packet Radio
Update Info for Firmware Version 2.10 - New: Robust Packet Radio (RPR)
Update Info for Firmware Version 2.20 - New: Complete APRS support
Update Info for Firmware Version 2.30 - New: Long-term stability improved
P4dragon DR-7X00 with Linux
Tracker / DSP TNC
➡Firmware 1.7m (ZIP incl. manual and update info)
➡Installation guide
➡TRConfig 1.0.1.55
➡Manual 1.7
➡Data sheet Tracker / DSP TNC
PTC-III Series
➡Firmware 4.1r for PTC-IIIusb - firmware history
➡PTC-IIIusb Installation guide
➡Manual 4.1 for PTC-IIIusb
➡Data sheet PTC-IIIusb
PTC-II Series
➡Firmware 4.1r for TRXPTC
Onkyo driver download software. ➡Technical Manual for TRXPTC
➡Data sheet TRXPTC
Out Of Production Modems
PTC-II Series
➡Firmware 4.1r for PTC-IIusb
➡Firmware 4.1r for PTC-IIex
➡Firmware 4.1r for PTC-IIpro
➡Firmware 4.1r for PTC-IIe
➡Firmware 4.1r for PTC-II (2 MB)
➡Firmware 4.1r for PTC-II (512 k)
Drivers pci.

➡Manual 4.0 for PTC-IIusb
➡Manual 4.0 for PTC-IIex
➡Manual 4.0 for PTC-IIpro
➡Manual 4.0 for PTC-IIe
➡Manual 4.0 for PTC-II
PTC Series
➡Manual PTCplus
➡Manual PTC (Z80)
Documents
➡SCS Limited Warranty Statement
➡Modem Repair Return Instructions
➡PACTOR Advanced Data Compression
➡PACTOR-2 Technical Description
➡PACTOR-3 Technical Description
➡PACTOR-4 Technical Description


Scad Diverticula
Links
Scad Drive
➡DB0OHV PACTOR SCSmail server
➡Robust Packet Network
➡TrackOn
➡Airmail
➡Sailmail
➡Winlink
➡JVComm32 (german)
➡Seaglemail & Simple32
➡Mscan Meteo
➡RCKRtty
➡PA0NC Software (NcWinPtc)
➡PAXON excellent Packet Radio software (german)
➡XPWin (Note: KF7XP discontinued further development)