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battmemv1.1
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1992-10-27
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BattMem v1.1
By
Doug Keller
Copyright 1990 Synthetic Technologies
[0] Introduction
Battmem is an editor for the battery backed RAM in the Amiga 3000. Battmem
requires AmigaDOS 2.0 and an Amiga 3000. Currently there are four items
that can be changed, SCSI controller ID, Synchronous SCSI, SCSI Timeout,
and SCSI luns.
It is pretty self explanatory how Battmem works. Near the bottom of the
window there is a box that shows the 96 bits of the battery backed memory.
If Battmem is run on a machine other then an A3000, it will appear to work.
Apparently the ReadBattMem() and WriteBattMem() functions do not return
errors if run on a non A3000 machine.
[1] SCSI Controller ID
This is the SCSI ID of the hard disk controller. The default is 7. These
are bits 65, 66, and 67 of the battery backed ram.
[2] Initiate Synchronous SCSI
This will tell the driver to initiate synchronous SCSI transfers. Only use
this if the hard drive you have supports synchronous SCSI. All Quantums
support synchronous SCSI. This is bit 68 for the battery backed ram.
[3] SCSI Timeout
This is the amount of time the 3000 waits on power up for the hard drive.
With Quantums 128ms is fine but from what I hear Seacrates need it set to 2
secs since they take longer to power up. This is bit 1 of the battery
backed ram.
[4] SCSI Lun
This determines weather the 3000 checks just lun 0 or checks all luns. If
you have an adaptic or some other SCSI device that supports multiple luns
then you might need to set this bit. This is bit 2 of the battery backed
ram.
[5] Legal junk
Permission is granted to distribute this program and its documentation for
non-commercial purposes as long as the copyright notices are not removed.
This program may not distributed for a profit without permission from Doug
Keller. Fred Fish has permission to distribute this program as part of the
Fred Fish library.
[6] Bugs and Info
If you would like to get in touch with me I can be reached on the following
BIX: dkeller
UUCP: dsk@ibm.com until December 1990
dkeller@lynx.northeastern.edu starting Jan 1991