Question for DEJAN or some relevant! - GSM-Forum

erogsm · 02-27-2002, 22:22

Dear Dejan and other guys!
I have a little question about your cable!
I made cable myself and everything works fine till today.
What´s happend?
Your flasher cable is 100% good I try also with all other PC, but problem is now because PIN2-LPT1 port on my laptop has bad.
Problem is only while PIN2 on my LPT1 port which is connected to PIN1 (chip), and PIN2(chip) go to MBUS. Between GND-MBUS on the exit of cable must to have 0V, but sometimes have cca.5V(BAD)
Sometimes when I take instrument and connecting on LPT1
PIN22-GND and PIN2 has 5,01V, and sometimes 0V, with PI3,4,5,6 has 5,01, and when I get on PIN2 5V, flasher works fine.
I think that PIN2 is to widht, and connector has conntact sometimes to works, sometimes no

If I move a little cable get Tx=0 of course.
I tried connect PIN1(chip) to for example PIN6 of LPT1 (which has 5V also) but doesn´t work because your application works on PIN2-LPT1.
Question?
Is it possible any changes and that get it always work?
Because TX,RX are good only problem is with MBUS which is connecting over invertor to PIN2(LPT1),is any possibility to take some hardware skip, or something like that.
Laptop is not possible to open it is so complicatied(Siemens)
Please any good hardware guys also can help me and tell how can I solve this problem
P.S.My english is not so good, but thionk that you understand me
Best regards!!!!
P.P.S Maybe is good when I change laptop, but currently no money !!!!!!!!!

02-27-2002, 22:22	#1 (permalink)
erogsm No Life Poster Join Date: Jul 2001 Location: EU Posts: 567 Member: 5423 Status: Offline Thanks Meter: 10	Question for DEJAN or some relevant! Dear Dejan and other guys! I have a little question about your cable! I made cable myself and everything works fine till today. What´s happend? Your flasher cable is 100% good I try also with all other PC, but problem is now because PIN2-LPT1 port on my laptop has bad. Problem is only while PIN2 on my LPT1 port which is connected to PIN1 (chip), and PIN2(chip) go to MBUS. Between GND-MBUS on the exit of cable must to have 0V, but sometimes have cca.5V(BAD) Sometimes when I take instrument and connecting on LPT1 PIN22-GND and PIN2 has 5,01V, and sometimes 0V, with PI3,4,5,6 has 5,01, and when I get on PIN2 5V, flasher works fine. I think that PIN2 is to widht, and connector has conntact sometimes to works, sometimes no If I move a little cable get Tx=0 of course. I tried connect PIN1(chip) to for example PIN6 of LPT1 (which has 5V also) but doesn´t work because your application works on PIN2-LPT1. Question? Is it possible any changes and that get it always work? Because TX,RX are good only problem is with MBUS which is connecting over invertor to PIN2(LPT1),is any possibility to take some hardware skip, or something like that. Laptop is not possible to open it is so complicatied(Siemens) Please any good hardware guys also can help me and tell how can I solve this problem P.S.My english is not so good, but thionk that you understand me Best regards!!!! P.P.S Maybe is good when I change laptop, but currently no money !!!!!!!!!

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