[ltp] IBM 600E, RH9, minicom problem

Bill Voight linux-thinkpad@linux-thinkpad.org
Sat, 28 Feb 2004 20:23:46 -0500


Is the PS2 utility available on the IBM web site?

BV

Bert Haskins wrote:

> Quite a long time ago, I sent one of my very first Thinkpads, a 760ED
> to IBM service for a dead RS-232 port.
> I needed the port for programming Atmel AVRs so I had to have it fixed.
> IBM quoted me a price of over $350.00 to fix it even though the 
> machine was
> still under warranty.
> I declined the repair and had the machine sent back
> Much later I ran into the same problem on another TP only this time
> I downloaded the PS2 utility from the IBM website, ran it and found the
> port disabled!.
> I then used this on the first machine and it was also disabled.
> Both machines were  O.K. under the F1 tests.
> I enabled the port ( with PS2 ) and it was working fine when I sold 
> the machine
> much later.
> I think that the output drivers are what is disabled, it saves a 
> little tiny bit  of
> power and that is important in battery life benchmarks.
> ..... Bert
>
>
>
>
>
> Bill Voight wrote:
>
>> Bert,
>>
>> Thanks for your thoughts.  I don't believe it is disabled.  I ran the 
>> tests from the BIOS and it checked out OK.  I'm not familiar with the 
>> Thinkpad BIOS (I'm mostly a Sun guy).  Other than hitting F1 at the 
>> proper time and running the diags, there does not seem to be any to 
>> disable the serial port.  I've downloaded the manual in pdf format 
>> and looked at it with no success.
>>
>> I've also installed the kernel-module-thinkpad and tpctl.  Tpctl  
>> reports it can't open device /dev/thinkpad.
>>
>> If you think of anything else, I'm listening.
>>
>> Bill Voight
>>
>> Bert Haskins wrote:
>>
>>> Are you certain that the serial port is not ( bios) disabled?
>>> Check it with PS2
>>> ...... Bert
>>>
>>> Bill Voight wrote:
>>>
>>>> Sports fans,
>>>>
>>>> IBM 600E, RH9, minicom serial port  Setup- /dev/ttyS0 9600 8N1, 
>>>> Hardware flow control, no Software Flow Control
>>>>
>>>> I'm using settings identical to those I've been using on several 
>>>> other RH boxes to connect to the A serial port of some U2's.  I am 
>>>> using a known good null modem cable and gender bender to connect.  
>>>> Works fine on the desktops, no dice on the IBM 600e.  I've run the 
>>>> diags from the 600E's bios- they show everything's OK.  Have had no 
>>>> luck with docs- I haven't found anything indicating there's 
>>>> anything different about the serial port on a 600E.  Setserial 
>>>> output from both is listed below- it's identical.  Anybody got any 
>>>> ideas?
>>>>
>>>> Here's setserial output from the desktop:
>>>>
>>>> /root >  setserial -av /dev/ttyS0
>>>> /dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4
>>>>       Baud_base: 115200, close_delay: 50, divisor: 0
>>>>       closing_wait: 3000
>>>>       Flags: spd_normal skip_test
>>>>
>>>> Here's setserial output from the laptop:
>>>>
>>>> [root@ibmgeek root]# setserial -av /dev/ttyS0
>>>> /dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4
>>>>       Baud_base: 115200, close_delay: 50, divisor: 0
>>>>       closing_wait: 3000
>>>>       Flags: spd_normal skip_test
>>>>
>>>>
>>>>
>>>
>>
>>
>