diff options
| -rw-r--r-- | share/man/man4/ast.4 | 40 | ||||
| -rw-r--r-- | share/man/man4/com.4 | 10 | ||||
| -rw-r--r-- | share/man/man4/fd.4 | 7 | ||||
| -rw-r--r-- | share/man/man4/fdc.4 | 26 |
4 files changed, 49 insertions, 34 deletions
diff --git a/share/man/man4/ast.4 b/share/man/man4/ast.4 index d28e41699c1..09ff21d2b85 100644 --- a/share/man/man4/ast.4 +++ b/share/man/man4/ast.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ast.4,v 1.1 2000/05/20 17:19:51 deraadt Exp $ +.\" $OpenBSD: ast.4,v 1.2 2000/07/10 13:10:27 aaron Exp $ .\" $NetBSD: ast.4,v 1.7 1996/03/16 00:07:07 thorpej Exp $ .\" .\" Copyright (c) 1990, 1991 The Regents of the University of California. @@ -57,18 +57,21 @@ driver provides support for boards that multiplex together up to four .Tn RS-232C .Pf ( Tn CCITT .Tn V.28 ) -communications interfaces. Apparently the original master of hardware -using this multiplexing protocol was AST. +communications interfaces. +Apparently the original master of hardware using this multiplexing protocol +was AST. .Pp Each .Nm device is the master device for up to four .Nm com -devices. The kernel configuration specifies these +devices. +The kernel configuration specifies these .Nm com devices as slave devices of the .Nm -device, as shown in the synopsis. The slave ID given for each +device, as shown in the synopsis. +The slave ID given for each .Nm com device determines which bit in the interrupt multiplexing register is tested to find interrupts for that device. @@ -83,24 +86,33 @@ subdevices and the port for the interrupt multiplexing register. On a real AST card, the jumpers are as follows: .Bl -tag -width xxxxx .It SW1-1 -Turn ON for irq 2. Default is OFF. +Turn ON for irq 2. +Default is OFF. .It SW1-2 -Turn ON for irq 3. Default is OFF. +Turn ON for irq 3. +Default is OFF. .It SW1-3 -Turn ON for irq 4. Default is OFF. +Turn ON for irq 4. +Default is OFF. .It SW2-1 -Turn ON for irq 5. This is ON for the first card, OFF otherwise. +Turn ON for irq 5. +This is ON for the first card, OFF otherwise. .It SW2-2 -Turn ON for irq 6. This is ON for the second card, OFF otherwise. +Turn ON for irq 6. +This is ON for the second card, OFF otherwise. .It SW2-3 -Turn ON for irq 7. Default is OFF. +Turn ON for irq 7. +Default is OFF. .It SW3-1 -`Compatible mode'. The ast driver needs extended mode, so leave this OFF. +.Dq Compatible mode . +The ast driver needs extended mode, so leave this OFF. .It SW3-2 -IO Address. In extended mode, this should be OFF for the first card at +IO Address. +In extended mode, this should be OFF for the first card at 0x1a0-0x1a7 and ON for the second card at 0x2a0-0x2a7. .It SW3-3 -Interrupt sharing. Default is OFF. +Interrupt sharing. +Default is OFF. .It SW3-4 Reserved, must be OFF. .El diff --git a/share/man/man4/com.4 b/share/man/man4/com.4 index af46672ccf4..ca64843a2f0 100644 --- a/share/man/man4/com.4 +++ b/share/man/man4/com.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: com.4,v 1.1 2000/05/20 17:19:51 deraadt Exp $ +.\" $OpenBSD: com.4,v 1.2 2000/07/10 13:10:27 aaron Exp $ .\" $NetBSD: com.4,v 1.5 1996/03/16 00:07:08 thorpej Exp $ .\" .\" Copyright (c) 1990, 1991 The Regents of the University of California. @@ -70,21 +70,23 @@ driver also supports the XR16850 UART. The NS8250 and NS16450 have single character buffers, the NS16550 has a 16 character buffer, while the ST16650 has a 32 character buffer, and the TI16750 has a 64 character -buffer. The XR16850 has a 128 character buffer. +buffer. +The XR16850 has a 128 character buffer. .Pp The .Nm com and .Nm pccom drivers are mutually exclusive; both may not be present in the same system at -the same time. Attempting to compile such a system will fail. +the same time. +Attempting to compile such a system will fail. .Pp Input and output for each line may set to one of following baud rates; 50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, 57600, or 115200, or any other baud rate which is a factor of 115200. .Sh FILES -.Bl -tag -width Pa +.Bl -tag -width Pa -compact .It Pa /dev/tty00 .It Pa /dev/tty01 .It Pa /dev/cua00 diff --git a/share/man/man4/fd.4 b/share/man/man4/fd.4 index 95b7970f489..5add3105b2a 100644 --- a/share/man/man4/fd.4 +++ b/share/man/man4/fd.4 @@ -47,8 +47,7 @@ The files .Pa /dev/fd/0 through .Pa /dev/fd/# -refer to file descriptors which can be accessed through the file -system. +refer to file descriptors which can be accessed through the file system. If the file descriptor is open and the mode the file is being opened with is a subset of the mode of the existing descriptor, the call: .Bd -literal -offset indent @@ -64,7 +63,7 @@ are equivalent. .Pp Opening the files .Pa /dev/stdin , -.Pa /dev/stdout +.Pa /dev/stdout , and .Pa /dev/stderr is equivalent to the following calls: @@ -78,7 +77,7 @@ Flags to the .Xr open 2 call other than .Dv O_RDONLY , -.Dv O_WRONLY +.Dv O_WRONLY , and .Dv O_RDWR are ignored. diff --git a/share/man/man4/fdc.4 b/share/man/man4/fdc.4 index 8c0d576b855..ad03d232373 100644 --- a/share/man/man4/fdc.4 +++ b/share/man/man4/fdc.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: fdc.4,v 1.1 2000/05/20 17:19:51 deraadt Exp $ +.\" $OpenBSD: fdc.4,v 1.2 2000/07/10 13:10:26 aaron Exp $ .\" $NetBSD: fdc.4,v 1.6 1996/03/22 01:55:14 andrew Exp $ .\" .\" Copyright (c) 1996 Andrew C. Wheadon @@ -46,10 +46,10 @@ .Cd "fd* at fdc? drive ? flags Z" .Sh DESCRIPTION The -.Nm fdc -driver supports the standard AT floppy -disk controllers. These include standard IDE, MFM, RLL, -EIDE, ESDI and SCSI controllers with floppy attachment. +.Nm +driver supports the standard AT floppy disk controllers. +These include standard IDE, MFM, RLL, +EIDE, ESDI, and SCSI controllers with floppy attachment. .Pp The standard names of a floppy drive will take the form .Nm /dev/fd{0,1,2,3}{,B,C,D,E,F,G,H}[abcdefghijklmnop] . @@ -63,7 +63,8 @@ The last component of the path is the 16 partitions that a floppy disk can support. .Pp The additional geometry types are as follows: -.Bl -tag -width xxxxxx -compact +.Pp +.Bl -tag -width xxxxxx -offset indent -compact .It `B' 1.44MB .It `C' 1.2MB .It `D' 360KB/AT (360KB disk in a 1.2 MB drive) @@ -84,7 +85,8 @@ probed type. If the 0x10 bit is on, the low order three bits of the .Cm flags field encode the drive type, as follows: -.Bl -tag -width xxxxxx -compact +.Pp +.Bl -tag -width xxxxxx -offset indent -compact .It 1 2.88MB .It 2 1.44MB .It 3 1.2MB @@ -95,17 +97,17 @@ field encode the drive type, as follows: .Pp If the 0x20 bit is on, the drive will be attached even if it was not found by the probe routine. +.Sh SEE ALSO +.Xr intro 4 , +.Xr dmesg 8 .Sh BUGS The -.Nm fdc +.Nm driver can interfere with other controllers, namely some WD/SMC network controllers fail to work when the probing mechanism in the -.Nm fdc +.Nm driver probes for a missing second floppy drive. In this case you should try recompiling the kernel replacing the relevant line with .Cd "fd0 at fdc? drive ?". -.Sh SEE ALSO -.Xr intro 4 , -.Xr dmesg 8 . |