Hello!
I have a problem with UPS FSP EP650 with COM-port and Debian. The device
is workable (I have tested it under Windows), but under Linux it doesn't
works.
My hardware:
motherboard: Gigabyte GA-D510UD (Intel NM10, iTE IT8720 chipset) (Intel
Atom 510 processor)
UPS: FSP EP 650
My software:
Debian Squeeze with kernel 2.6.32-5
NUT
COM-ports has detected:
dmesg | grep tty
[ 1.244470] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 1.244596] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
[ 1.245034] 00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 1.245223] 00:09: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
The same IRQ modes setted in BIOS.
but cat /dev/ttyS0 or cat /dev/ttyS1 shows blank screen
minicom doesn't work also
I use NUT for my ups with following ups.conf:
user = root
[fsp]
driver = apcsmart
port = /dev/ttyS0
nas:~# upsdrvctl start
Network UPS Tools - UPS driver controller 2.4.3
Network UPS Tools - APC Smart protocol driver 2.03 (2.4.3)
APC command table version 2.1
Unable to detect an APC Smart protocol UPS on port /dev/ttyS0
Check the cabling, port name or model name and try again
Driver failed to start (exit status=1)
Also I tried to write and read something from COM-port using simple
program written in Python - no results.
A suppose, that it is lowlevel problem with modules or kernel.
Can anybody help me?
Best regards, Max Usachev
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