patch-2.1.8 linux/drivers/scsi/README.ncr53c8xx
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- Lines: 97
- Date:
Sat Nov 2 13:57:10 1996
- Orig file:
v2.1.7/linux/drivers/scsi/README.ncr53c8xx
- Orig date:
Wed Oct 16 10:48:19 1996
diff -u --recursive --new-file v2.1.7/linux/drivers/scsi/README.ncr53c8xx linux/drivers/scsi/README.ncr53c8xx
@@ -4,7 +4,7 @@
21 Rue Carnot
95170 DEUIL LA BARRE - FRANCE
-13 October 1996
+28 October 1996
===============================================================================
1. Introduction
@@ -52,9 +52,7 @@
configuration parameters and control commands available through the proc SCSI
file system read / write operations.
-This driver has been tested OK with linux/i386 and is currently untested
-under linux/Alpha. If you intend to use this driver under linux/Alpha, just
-try it first with read-only or mounted read-only devices.
+This driver has been tested OK with linux/i386 and Linux/Alpha.
I am not a native speaker of English and there are probably lots of
mistakes in this README file. Any help will be welcome.
@@ -81,7 +79,7 @@
815 Y N N Y Y
825 Y Y N Y Y
825A Y Y N Y Not yet
-860 N Y N Y Y
+860 N N Y(1) Y Y
875 Y Y Y(1) Y Y
(1) Ultra SCSI extensions will be supported in a future release of the
@@ -356,9 +354,16 @@
Answer "y" if you are sure that all your SCSI devices that are able to
accept tagged commands will proceed safely.
-CONFIG_SCSI_NCR53C8XX_FORCE_ASYNCHRONOUS (default answer: n)
- This option forces asynchronous transfer mode for all SCSI devices.
-
+CONFIG_SCSI_NCR53C8XX_MAX_TAGS (default answer: 4)
+ This option allows you to specify the maximum number of tagged commands
+ that can be queued to a device.
+
+CONFIG_SCSI_NCR53C8XX_SYNC (default answer: 5)
+ This option allows you to specify the frequency in MHz the driver
+ will use at boot time for synchronous data transfer negotiations.
+ This frequency can be changed later with the "setsync" control command.
+ 0 means "asynchronous data transfers".
+
CONFIG_SCSI_NCR53C8XX_FORCE_SYNC_NEGO (default answer: n)
Force synchronous negotiation for all SCSI-2 devices.
Some SCSI-2 devices do not report this feature in byte 7 of inquiry
@@ -377,9 +382,12 @@
Do that only if you know what you are doing.
SCSI_NCR_TRUST_BIOS_SETTING (default: not defined)
- If defined, the driver will preserve features bits in
- dmode/dcntl/ctest3/ctest4 io register.
- Else, it will enable features according to chip and revision id.
+ If defined, the driver will preserve features bits from
+ dmode/dcntl/ctest3/ctest4 io registers.
+
+SCSI_NCR_SPECIAL_FEATURES (default: not defined)
+ If defined, the driver will enable some special features according
+ to chip and revision id.
SCSI_NCR_IOMAPPED (default: not defined)
If defined, normal I/O is forced.
@@ -391,6 +399,11 @@
Maximum number of simultaneous tagged commands to a device.
Can be changed by "settags <target> <maxtags>"
+SCSI_NCR_DEFAULT_SYNC (default: 5)
+ Frequency in KHz the driver will use at boot time for synchronous
+ negotiation. 0 means asynchronous.
+ Can be changed by "setsync <target> <period>"
+
SCSI_NCR_DEFAULT_TAGS (default: 4)
Default number of simultaneous tagged commands to a device.
< 1 means tagged command queuing disabled at start-up.
@@ -399,10 +412,6 @@
Use SIMPLE TAG for read and write commands.
Can be changed by "setorder <ordered|simple|default>"
-SCSI_NCR_TAGGED_QUEUE_DISABLED (default: defined)
- If defined, tagged command queuing is disable at start-up.
- Can be changed by "settags <target> <maxtags>"
-
SCSI_NCR_NO_DISCONNECT (default: not defined)
If defined, targets are not allowed to disconnect.
@@ -483,7 +492,7 @@
mkdir ncrB2L
cd ncrB2L
- tar zxvf ncrBsd2Linux-1.14a-src.tar.gz
+ tar zxvf ncrBsd2Linux-1.14b-src.tar.gz
12. Installation procedure for Linux version 1
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov