Problems with Amiga Explorer

evan · 02 September 2020, 07:28

I've been trying to transfer the initial files for amiga explorer with the "Type SER: to RAM:Setup" command and I just cannot get it to work at all. I keep getting the "Can't open SER" error no matter what. I have triple checked the wiring of the null modem and the serial settings on the amiga as well as have tried using both a different null modem and usb-serial adapter and nothing is working.

I'm running workbench 1.3 off a harddrive taken right out of a school environment (so definitely not a fresh install).

I have both serial.device in devs and Port-Handler in L.

Kickstart 34.5. Amiga 2500.

solarmon · 02 September 2020, 09:13

You should probably use Amiga Test Kit to test the serial port. But you'll need to make a serial loopback dongle to be able to perform the test.

paul1981 · 02 September 2020, 10:34

https://eab.abime.net/showthread.php?t=37063&page=7

check out page 7, it might be helpful.

solarmon · 02 September 2020, 10:55

What is the null modem cable you are using? It needs to be a 7-wire one, not a 2-wire one.

I use a Female DB23 to Female DB9 Null Modem Adapter, and a RS232 Serial USB Adapter - as described at:

https://sites.google.com/one-n.co.uk...amiga-explorer

solarmon · 02 September 2020, 12:13

Also, try doing a simple 'echo test' to see if your serial and null modem setup is working:

https://sites.google.com/one-n.co.uk...h.be35m4bvd8en

jlin_au · 03 September 2020, 04:50

Did you remember to set the correct serial port speed, stop bits, and handshake protocols up in Workbench 1.3 preferences first and then on the PC side?

See https://www.amigaforever.com/kb/13-105 for the required null modem cable wiring. Avoid using a standard PC cable as Amiga serial ports have some non-standard pins connected on the db25 connector that can damage your Amiga if used incorrectly.

See the amiga explorer troubleshooting guide https://www.amigaforever.com/kb/14-109

02 September 2020, 07:28	#1
evan Registered User Join Date: Sep 2020 Location: Canada Posts: 1	Problems with Amiga Explorer I've been trying to transfer the initial files for amiga explorer with the "Type SER: to RAM:Setup" command and I just cannot get it to work at all. I keep getting the "Can't open SER" error no matter what. I have triple checked the wiring of the null modem and the serial settings on the amiga as well as have tried using both a different null modem and usb-serial adapter and nothing is working. I'm running workbench 1.3 off a harddrive taken right out of a school environment (so definitely not a fresh install). I have both serial.device in devs and Port-Handler in L. Kickstart 34.5. Amiga 2500.

02 September 2020, 12:13	#5
solarmon Registered User Join Date: Dec 2018 Location: UK Posts: 1,715	Also, try doing a simple 'echo test' to see if your serial and null modem setup is working: https://sites.google.com/one-n.co.uk...h.be35m4bvd8en Last edited by solarmon; 02 September 2020 at 13:09.

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02 September 2020, 09:13	#2
solarmon Registered User Join Date: Dec 2018 Location: UK Posts: 1,715	You should probably use Amiga Test Kit to test the serial port. But you'll need to make a serial loopback dongle to be able to perform the test.

02 September 2020, 10:34	#3
paul1981 Registered User Join Date: Oct 2013 Location: England Posts: 419	https://eab.abime.net/showthread.php?t=37063&page=7 check out page 7, it might be helpful.

02 September 2020, 10:55	#4
solarmon Registered User Join Date: Dec 2018 Location: UK Posts: 1,715	What is the null modem cable you are using? It needs to be a 7-wire one, not a 2-wire one. I use a Female DB23 to Female DB9 Null Modem Adapter, and a RS232 Serial USB Adapter - as described at: https://sites.google.com/one-n.co.uk...amiga-explorer

03 September 2020, 04:50	#6
jlin_au Registered User Join Date: Nov 2016 Location: Fadden ACT Australia Posts: 128	Did you remember to set the correct serial port speed, stop bits, and handshake protocols up in Workbench 1.3 preferences first and then on the PC side? See https://www.amigaforever.com/kb/13-105 for the required null modem cable wiring. Avoid using a standard PC cable as Amiga serial ports have some non-standard pins connected on the db25 connector that can damage your Amiga if used incorrectly. See the amiga explorer troubleshooting guide https://www.amigaforever.com/kb/14-109

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