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-rw-r--r--share/man/man4/atapiscsi.425
1 files changed, 14 insertions, 11 deletions
diff --git a/share/man/man4/atapiscsi.4 b/share/man/man4/atapiscsi.4
index d102fe05839..b76db87e516 100644
--- a/share/man/man4/atapiscsi.4
+++ b/share/man/man4/atapiscsi.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: atapiscsi.4,v 1.3 1999/11/14 20:23:27 deraadt Exp $
+.\" $OpenBSD: atapiscsi.4,v 1.4 1999/12/11 10:23:41 csapuntz Exp $
.\"
.\" Copyright (c) 1999 Constantine Sapuntzakis.
.\"
@@ -40,19 +40,21 @@
.Sh DESCRIPTION
The
.Nm
-driver supports ATAPI (also called IDE) devices such as CD-ROMs, ZIP drives,
-floppy drives, and (eventually) tape drives. All ATAPI devices talk some
-subset of the SCSI protocol. For example, the SCSI
-.Xr cd 4 ,
-.Xr sd 4 ,
-and
-.Xr st 4
-drivers are able to sucessfully control the corresponding ATAPI devices.
+driver supports ATAPI (also called IDE) devices such as CD-ROMs, ZIP
+drives, LS-120 floppy drives, and tape drives. All ATAPI devices talk
+a subset of the SCSI protocol.
.Pp
The
.Nm
driver acts like a SCSI adapter. Thus, the ATAPI devices connected to
-the system will appear as SCSI devices.
+the system will appear as SCSI devices. ATAPI CD-ROMs will appear
+as
+.Xr cd 4
+devices, ATAPI tape drives as
+.Xr st 4
+devices, and ATAPI floppies as
+.Xr sd 4
+devices.
.Pp
For performance reasons, one should avoid putting an ATAPI device and
a hard disk on the same cable. The driver does not support bus release
@@ -61,7 +63,8 @@ only one command outstanding on a cable at a time. For example, if a
hard disk and a CD drive are placed on the same cable, the hard disk
requests may get queued behind slower CD operations.
.Sh BUGS
-Tape devices don't work yet.
+Slow devices, like tape drives, could do a better job of sharing the channel.
+For now, we recommend you put the tape device on its own channel.
.Sh SEE ALSO
.Xr intro 4 ,
.Xr pciide 4 ,