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Explain the newer sio(4) flag values.

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Fogotten by:	phk, bde
This commit is contained in:
Joerg Wunsch 1997-09-14 18:55:41 +00:00
parent d6940a479f
commit a5b8be1a91
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=29398
2 changed files with 54 additions and 32 deletions
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43
share/man/man4/man4.i386/sio.4
View File

@ -34,7 +34,7 @@
.\"
.\" from: @(#)dca.4 5.2 (Berkeley) 3/27/91
.\" from: com.4,v 1.1 1993/08/06 11:19:07 cgd Exp
.\" $Id: sio.4,v 1.23 1997/02/22 13:25:41 peter Exp $
.\" $Id: sio.4,v 1.24 1997/05/18 21:24:04 phk Exp $
.\"
.Dd October 10, 1995
.Dt SIO 4 i386
@ -67,21 +67,32 @@ For Hayes ESP cards:
.Cd "options" \&"COM_ESP\&"
.Cd "..."
.Pp
Meaning of \fBflags\fR:
.br
\fB0x00001\fR shared IRQs
.br
\fB0x00002\fR disable FIFO
.br
\fB0x00004\fR no AST/4 compatible IRQ control register
.br
\fB0x00008\fR recover sooner from lost output interrupts
.br
\fB0x00080\fR enable diagnostics in probe
.br
\fB0x0\fI??\fB00\fR minor number of master port
.br
\fB0x10000\fR disable test#3 which often fails for internal modems
Meaning of
.Ar flags :
.Bl -tag -offset indent -compact -width 0x000000
.It 0x00001
shared IRQs
.It 0x00002
disable FIFO
.It 0x00004
no AST/4 compatible IRQ control register
.It 0x00008
recover sooner from lost output interrupts
.It 0x00010
device is potential system console
.It 0x00020
device is forced to become system console
.It 0x00040
device is reserved for low-level IO (e. g. for remote kernel debugging)
.It 0x00080
enable diagnostics in probe
.It 0x0 Ns Em ?? Ns 00
minor number of master port
.It 0x10000
disable test#3 which often fails for internal modems
.It 0x20000
device is assumed to use a 16650A-type (extended FIFO) chip
.El
.Pp
Minor numbering:
.br

43
share/man/man4/sio.4
View File

@ -34,7 +34,7 @@
.\"
.\" from: @(#)dca.4 5.2 (Berkeley) 3/27/91
.\" from: com.4,v 1.1 1993/08/06 11:19:07 cgd Exp
.\" $Id: sio.4,v 1.23 1997/02/22 13:25:41 peter Exp $
.\" $Id: sio.4,v 1.24 1997/05/18 21:24:04 phk Exp $
.\"
.Dd October 10, 1995
.Dt SIO 4 i386
@ -67,21 +67,32 @@ For Hayes ESP cards:
.Cd "options" \&"COM_ESP\&"
.Cd "..."
.Pp
Meaning of \fBflags\fR:
.br
\fB0x00001\fR shared IRQs
.br
\fB0x00002\fR disable FIFO
.br
\fB0x00004\fR no AST/4 compatible IRQ control register
.br
\fB0x00008\fR recover sooner from lost output interrupts
.br
\fB0x00080\fR enable diagnostics in probe
.br
\fB0x0\fI??\fB00\fR minor number of master port
.br
\fB0x10000\fR disable test#3 which often fails for internal modems
Meaning of
.Ar flags :
.Bl -tag -offset indent -compact -width 0x000000
.It 0x00001
shared IRQs
.It 0x00002
disable FIFO
.It 0x00004
no AST/4 compatible IRQ control register
.It 0x00008
recover sooner from lost output interrupts
.It 0x00010
device is potential system console
.It 0x00020
device is forced to become system console
.It 0x00040
device is reserved for low-level IO (e. g. for remote kernel debugging)
.It 0x00080
enable diagnostics in probe
.It 0x0 Ns Em ?? Ns 00
minor number of master port
.It 0x10000
disable test#3 which often fails for internal modems
.It 0x20000
device is assumed to use a 16650A-type (extended FIFO) chip
.El
.Pp
Minor numbering:
.br