Dear low voltage - GSM-Forum

erogsm · 10-27-2002, 22:31

Dear friends,
Does somebody has expiriance with low voltage on LPT port.
Notice:
On my Celeron 333, when I running MAP Creator -XAP- on the pins 8 and 9 of DB25(LPT) I have a low voltage about 2,9V, that is a reason why on my home PC this maper doesn't work.
On another PC output of LPT port is 4,7V and application works fine.
Please could somebody tell me on which way I can increase voltage on my PC.
I know another motherbord, but is it any possibility use this one and get still 2V.
I used 2 diodes between pin 8,9 to ATMEL pin20.
Problem is in motherboard I know that but please if someone know solution how can I increase voltage to 4,5-5V I will be greatfully to him.
I would like to change something in dongle of MAXIM if possible if no what can I change to get more voltage.
P.S. That is a reason why somebody has problem with Maxim dongle. Problem is not in oscilator, problem is while low voltage on output of LPT port(pin 6,7,8,9) after running the application
Thanks a lot friend if somebody help me.

10-27-2002, 22:49

Use EXTERNAL power. Old ericsson battery 4.8V. It is the best way to solve this.

**Winner58** · 10-28-2002, 05:16

or use power from USB Port.

wbr
Winner 58

10-27-2002, 22:31	#1 (permalink)
erogsm No Life Poster Join Date: Jul 2001 Location: EU Posts: 579 Member: 5423 Status: Offline Thanks: 39 Thanked 10 Times in 6 Posts	Dear low voltage Dear friends, Does somebody has expiriance with low voltage on LPT port. Notice: On my Celeron 333, when I running MAP Creator -XAP- on the pins 8 and 9 of DB25(LPT) I have a low voltage about 2,9V, that is a reason why on my home PC this maper doesn't work. On another PC output of LPT port is 4,7V and application works fine. Please could somebody tell me on which way I can increase voltage on my PC. I know another motherbord, but is it any possibility use this one and get still 2V. I used 2 diodes between pin 8,9 to ATMEL pin20. Problem is in motherboard I know that but please if someone know solution how can I increase voltage to 4,5-5V I will be greatfully to him. I would like to change something in dongle of MAXIM if possible if no what can I change to get more voltage. P.S. That is a reason why somebody has problem with Maxim dongle. Problem is not in oscilator, problem is while low voltage on output of LPT port(pin 6,7,8,9) after running the application Thanks a lot friend if somebody help me.

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10-27-2002, 22:49	#2 (permalink)
legija Guest Posts: n/a Member:	Use EXTERNAL power. Old ericsson battery 4.8V. It is the best way to solve this.

10-28-2002, 05:16	#3 (permalink)
Winner58 Administrator Join Date: May 1999 Location: Wien/Austria Age: 54 Posts: 12,688 Member: 5 Status: Offline Thanks: 86 Thanked 1,651 Times in 490 Posts	or use power from USB Port. wbr Winner 58