diff --git a/en_US.ISO8859-1/books/faq/book.sgml b/en_US.ISO8859-1/books/faq/book.sgml
index 95397bd9fd..75239eb812 100644
--- a/en_US.ISO8859-1/books/faq/book.sgml
+++ b/en_US.ISO8859-1/books/faq/book.sgml
@@ -9393,29 +9393,28 @@ ATDT1234567
As the FreeBSD kernel boots, it will probe for the serial
ports in your system for which the kernel was configured.
You can either watch your system closely for the messages it
- prints or run the command
+ prints or run this command after your system is up and
+ running:
- &prompt.user; dmesg | grep sio
-
- after your system is up and running.
+ &prompt.user; dmesg | grep -E "^sio[0-9]"
Here is some example output from the above command:
- sio0 at 0x3f8-0x3ff irq 4 on isa
+ sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
-sio1 at 0x2f8-0x2ff irq 3 on isa
+sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
- This shows two serial ports. The first is on irq 4, is
+ This shows two serial ports. The first is on IRQ 4, is
using port address 0x3f8, and has a
16550A-type UART chip. The second uses the same kind of chip
- but is on irq 3 and is at port address 0x2f8.
+ but is on IRQ 3 and is at port address 0x2f8.
Internal modem cards are treated just like serial ports — except
that they always have a modem attached
to the
port.
The GENERIC kernel includes support
- for two serial ports using the same irq and port address
+ for two serial ports using the same IRQ and port address
settings in the above example. If these settings are not
right for your system, or if you have added modem cards or have
more serial ports than your kernel is configured for, just