diff options
| author | hpa <hpa> | 2001-11-20 04:16:38 +0000 |
|---|---|---|
| committer | hpa <hpa> | 2001-11-20 04:16:38 +0000 |
| commit | 36025c01731003624f7b47a4b0f114d198db6059 (patch) | |
| tree | fdad7f3365dee4a50a4e4585467ec39cc69033c3 /syslinux.doc | |
| parent | 59837af7358f4bd216d290fa9158f5d1a53e862f (diff) | |
| download | syslinux-36025c01731003624f7b47a4b0f114d198db6059.tar.gz | |
Modify the way serial flow control works.syslinux-1.64-pre3
Diffstat (limited to 'syslinux.doc')
| -rw-r--r-- | syslinux.doc | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/syslinux.doc b/syslinux.doc index 19f87e20..ce6c0236 100644 --- a/syslinux.doc +++ b/syslinux.doc @@ -208,14 +208,22 @@ SERIAL port [[baudrate] flowcontrol] to 9600 bps. The serial parameters are hardcoded to be 8 bits, no parity, 1 stop bit. - "flowcontrol" is one of the following values: - - Value Flow control RTS DTR CTS DCD - 0 None U U I I - 1 RTS/CTS A A O I - 2 DTR/DCD A A O O - - U = Unchanged A = Asserted I = Ignored O = Observed + "flowcontrol" is a combination of the following bits: + 1 - Assert DTR + 2 - Assert RTS + 16 - Wait for CTS assertion + 32 - Wait for DSR assertion + 64 - Wait for RI assertion + 128 - Wait for DCD assertion + + Typical values are: + + 0 - No flow control (default) + 19 - RTS/CTS flow control + 35 - DTR/DSR flow control + 131 - DTR/DCD flow control + + All other values are reserved. For this directive to be guaranteed to work properly, it should be the first directive in the configuration file. |