diff options
Diffstat (limited to 'Documentation/scsi/ibmmca.txt')
-rw-r--r-- | Documentation/scsi/ibmmca.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/scsi/ibmmca.txt b/Documentation/scsi/ibmmca.txt index 35f6b8ed2295..9707941704e3 100644 --- a/Documentation/scsi/ibmmca.txt +++ b/Documentation/scsi/ibmmca.txt | |||
@@ -461,7 +461,7 @@ | |||
461 | This needs the RD-Bit to be disabled on IM_OTHER_SCSI_CMD_CMD which | 461 | This needs the RD-Bit to be disabled on IM_OTHER_SCSI_CMD_CMD which |
462 | allows data to be written from the system to the device. It is a | 462 | allows data to be written from the system to the device. It is a |
463 | necessary step to be allowed to set blocksize of SCSI-tape-drives and | 463 | necessary step to be allowed to set blocksize of SCSI-tape-drives and |
464 | the tape-speed, whithout confusing the SCSI-Subsystem. | 464 | the tape-speed, without confusing the SCSI-Subsystem. |
465 | 2) The recognition of a tape is included in the check_devices routine. | 465 | 2) The recognition of a tape is included in the check_devices routine. |
466 | This is done by checking for TYPE_TAPE, that is already defined in | 466 | This is done by checking for TYPE_TAPE, that is already defined in |
467 | the kernel-scsi-environment. The markup of a tape is done in the | 467 | the kernel-scsi-environment. The markup of a tape is done in the |
@@ -710,8 +710,8 @@ | |||
710 | of troubles with some controllers and after I wanted to apply some | 710 | of troubles with some controllers and after I wanted to apply some |
711 | extensions, it jumped out in the same situation, on my w/cache, as like | 711 | extensions, it jumped out in the same situation, on my w/cache, as like |
712 | on D. Weinehalls' Model 56, having integrated SCSI. This gave me the | 712 | on D. Weinehalls' Model 56, having integrated SCSI. This gave me the |
713 | descissive hint to move the code-part out and declare it global. Now, | 713 | decisive hint to move the code-part out and declare it global. Now |
714 | it seems to work by far much better an more stable. Let us see, what | 714 | it seems to work far better and more stable. Let us see what |
715 | the world thinks of it... | 715 | the world thinks of it... |
716 | 3) By the way, only Sony DAT-drives seem to show density code 0x13. A | 716 | 3) By the way, only Sony DAT-drives seem to show density code 0x13. A |
717 | test with a HP drive gave right results, so the problem is vendor- | 717 | test with a HP drive gave right results, so the problem is vendor- |
@@ -822,10 +822,10 @@ | |||
822 | A long period of collecting bugreports from all corners of the world | 822 | A long period of collecting bugreports from all corners of the world |
823 | now lead to the following corrections to the code: | 823 | now lead to the following corrections to the code: |
824 | 1) SCSI-2 F/W support crashed with a COMMAND ERROR. The reason for this | 824 | 1) SCSI-2 F/W support crashed with a COMMAND ERROR. The reason for this |
825 | was, that it is possible to disbale Fast-SCSI for the external bus. | 825 | was that it is possible to disable Fast-SCSI for the external bus. |
826 | The feature-control command, where this crash appeared regularly tried | 826 | The feature-control command, where this crash appeared regularly, tried |
827 | to set the maximum speed of 10MHz synchronous transfer speed and that | 827 | to set the maximum speed of 10MHz synchronous transfer speed and that |
828 | reports a COMMAND ERROR, if external bus Fast-SCSI is disabled. Now, | 828 | reports a COMMAND ERROR if external bus Fast-SCSI is disabled. Now, |
829 | the feature-command probes down from maximum speed until the adapter | 829 | the feature-command probes down from maximum speed until the adapter |
830 | stops to complain, which is at the same time the maximum possible | 830 | stops to complain, which is at the same time the maximum possible |
831 | speed selected in the reference program. So, F/W external can run at | 831 | speed selected in the reference program. So, F/W external can run at |
@@ -920,7 +920,7 @@ | |||
920 | completed in such a way, that they are now completely conform to the | 920 | completed in such a way, that they are now completely conform to the |
921 | demands in the technical description of IBM. Main candidates were the | 921 | demands in the technical description of IBM. Main candidates were the |
922 | DEVICE_INQUIRY, REQUEST_SENSE and DEVICE_CAPACITY commands. They must | 922 | DEVICE_INQUIRY, REQUEST_SENSE and DEVICE_CAPACITY commands. They must |
923 | be tranferred by bypassing the internal command buffer of the adapter | 923 | be transferred by bypassing the internal command buffer of the adapter |
924 | or else the response can be a random result. GET_POS_INFO would be more | 924 | or else the response can be a random result. GET_POS_INFO would be more |
925 | safe in usage, if one could use the SUPRESS_EXCEPTION_SHORT, but this | 925 | safe in usage, if one could use the SUPRESS_EXCEPTION_SHORT, but this |
926 | is not allowed by the technical references of IBM. (Sorry, folks, the | 926 | is not allowed by the technical references of IBM. (Sorry, folks, the |