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- NOTES for using the SKick program with the GVP A530 Turbo
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- These notes were written after some experiences with the GVP A530 Turbo Harddisk.
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- SKick was tested on a machine with following configuration:
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- - Amiga A500+, 2.04 ROM, 2Megs of Chip RAM
- - GVP A530 Turbo Harddisk 120MB, CPU 68EC030, no FPU, 5 MB 32bit RAM.
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- On this system, SKick works fine. FASTRES option may be specified without
- problems. Skick doesn't do anything with A530's 'pseudo-MMU', it is turned off
- during reboot. Care must be taken to remove GVPCpuCtrl command with FASTROM
- option from Startup-Sequence. This command causes that the image loaded by SKick
- doesn't survive reboot. Both caches may be turned on in burst mode as usual.
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- Do You see unusual memory capacity 5 Megs of 32 bit RAM ?
- Yes, You're thinking right, this capacity is obtained by installing 1 piece
- of 4 Meg SIMM into the system and reinstalling the original 1 Meg one to the
- second, free socket. The jumpers must be set to the position '4 M SIMMs'.
- After this is done, system reports 8 Megs of expansion RAM. This is of course
- wrong. The problem is that the GVP hardware doesn't recognize our cheat and
- the system memory check is too primitive to find it. When this situation
- is not handled by additional software support, system will crash after filling
- the first 'real' 5 Megs. Skick from the release 3.33 handles this situation
- correctly. Special switch CORR5M is added to support it. When specified, it re-
- moves extra 3 Megs from the end of the expansion memory space. Note that various
- tools will report the board as 8 Meg even with this option active, but Avail
- or any other memory checking tool will report 5 Megs correctly.
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