[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
>>>>
>>>>
>>>>
>>>
>>
>>
>