3.109 bytes |
Service Hints & Tips |
Document ID: GSMH-3EGD6G |
PCServer95 - SCSI-2 option installation
Applicable to: World-Wide
Symptom
The PS/2 9595A (Server 95) RAID Array System may "hang" while loading OS/2 when configured with an optional SCSI-2 Fast/Wide adapter.
Note
The RAID Array Controller is a also a SCSI adapter, but should not be confused with the Fast/Wide SCSI-2 Adapter/A, which may also be installed as an option in this system. (Fast Wide SCSI-2 Adapter/A = FRU P/N92F0160, RAID Array Controller = FRU P/N92F0335)
Problem Isolation Aids
This problem can be isolated by checking the date of the device driver file (IBM2SCSI.ADD) on the SCSI-2 option diskette. If it is dated prior to 7/22/93 it is version 1.00, which is unable to share interrupt levels.
The CONFIG.SYS file should also be checked to insure the correct sequence of the IBMRAID.ADD and IBM2SCSI.ADD device drivers. The IBMRAID.ADD device driver statement MUST BE LISTED FIRST.
Fix
Replace the down-level version of the device driver with the current version V 1.01, which allows sharing of interrupts.
* THIS DEVICE DRIVER IS CUSTOMER INSTALLABLE. CUSTOMERS *
* SHOULD BE ADVISED TO READ THE "README" FILE LOCATED ON *
* DEVICE DRIVER DISKETTE FOR INSTALLATION INFORMATION. *
Temporary work-around
Until the current device driver is obtained, there are two temporary work-arounds for this problem:
1. If you are using an IBM2SCSI.ADD device driver dated prior to 7/22/93, change the interrupt level of the RAID Controller to an interrupt level different from the Fast/Wide SCSI Adapter. Use the system reference diskette to change the configuration optional settings.
2. Install OS/2 on your 9595A system prior to adding the optional SCSI adapter. After OS/2 is installed, you can add your SCSI adapter option.
SAS Keywords:
PSY2, PSY2PROG, PSY2FDSK, PSY2ADT, SCSI, OS2, D/T9595A, HANGS, RAID, ARRAY, 9595A, 9595
Search Keywords |
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Hint Category |
Lock-up/Hang, Retain, SCSI | |
Date Created |
20-08-94 | |
Last Updated |
01-06-98 | |
Revision Date |
29-05-99 | |
Brand |
IBM PC Server | |
Product Family |
Server 95 | |
Machine Type |
9595 | |
Model |
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TypeModel |
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Retain Tip (if applicable) |
H033768 | |
Reverse Doclinks |