At 08:27 PM 9/16/2004, John Klos wrote:
>Hi,
>
>>I have a G4 desktop that has a Stealth Serial Port with the DIN pins 
>>connected to a DB25F. I have it hooked to the serial port (with a Null 
>>Modem in between) on my laptop (running Hyperterm). I use a DB25M to DB9F 
>>cable to connect the Null Modem to my laptop.
>
>Sounds straightforward.
>
>>When I power up the G4 I do not see anything on my Hyperterm session (I 
>>have verified the settings wrt baud rate, stop bits etc..)
>
>Have you ever? Was this machine set to boot into Open Firmware? Were the 
>input and output devices set to stta?

If the video card was pullep, OFW will automagically switch to the
modem port (stealth) @ 57600 8N1.


>>I believe only the TxD (pin 2) , RxD (pin 3) and Gnd (pin 7) of DB25F on 
>>the G4 are of any significance.
>
>On the G4 end, you have RS422, so it's not as simple as pulling the TxD 
>and RxD lines. Your cable should take care of that, though.

Actually it is.  You just need TX,RX, and GND.

>>How do I see if anything is happening on the G4. I am not sure if the 
>>last time it was turned off if it was set to autoboot.
>
>Plug in a monitor. If it comes up, reset the input and output devices. If 
>not, zap the pram and try again.

The machine might not have a video card.

-- 
Matt Thomas                     email: matt@3am-software.com
3am Software Foundry              www: http://3am-software.com/bio/matt/
Cupertino, CA              disclaimer: I avow all knowledge of this message.