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- MEMORY DOCUMENTATION
- ====================
-
- VERSION 1.01 8 NOV 1982 (C) MICROLIFE, INC. (301) 799-5509
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- Memory is a utility to allow dynamic setting/resetting of the amount
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- of memory used by DOS. The major advantage is that the system switches
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- can be set to anything your heart desires, with the knowledge that you
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- should not have to open up the PC to set switches while using MEMORY.
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- For example, some games (like ZORK and Adventure) seem to require a
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- maximum of 320K, the switches can be set for the 128K and then MEMORY
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- can be run to set DOS for larger amounts or smaller amounts of memory
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- as required. MEMORY can be used in batch files or simply run from the
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- system prompt to set DOS memory size from 64K (lowest switch setting)
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- up to 640K. More specific parameter information is as follows:
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- MEMORY Restores DOS memory size to what it was prior to
- running MEMORY. Follow the example below:
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- Step 1 MEMORY 3 Sets DOS to 192K
- Step 2 MEMORY 5 Sets DOS to 320K
- Step 3 MEMORY Restores DOS to 192K
-
- MEMORY 0 Forces DOS read the value of the switches on the
- motherboard.
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- MEMORY N (Where N can be a decimal number from 1 to 10). Installs
- N times 64K of memory to DOS. That is, assuming N was 7,
- 7 * 64K = 448K. A very important note here is that the
- DOS can now be set to beyond the value of the switches
- (544K Maximum) to 640K !!
-
-
- An example of MEMORY used in an Autoexec file:
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- Commands Description of each command
- .............................................................................
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- PWRUPCLK Sets the System time equal to the Quadboard time
- MEMORY 9 Sets DOS memory size to 9 * 64K = 576K !!!
- RAMDISK 10/A Creates a Ramdisk of size 10 * 32K = 320K
- COPY *.* D: Copies all of Drive A: to Drive B:
- D: Logs onto Drive D:
- CHKDSK Checks the Disk Parameters
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- ............................................................................
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- Special Notes:
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- 1. MEMORY resets the system when run, except in the cases of bad para-
- meters entered or when the same command is run more than once.
- 2. MEMORY will only install up to the available RAM present in the system.
- For example, you have 320K in the system, a command like MEMORY 6 would
- result in an error and no change from the present memory size.
- 3. The QD Ramdisk software provided with the Quadboard reads the memory
- size from the switches on the motherboard, not what DOS thinks it has.
- By doing so, the maximum size of memory under the Ramdisk (reading
- the switches) is 544K bytes. {Since the preceding was written QDXT,
- QM, and QMXT, which do not read the motherboard switches, have been
- released. Note that the current QD, Ver 2.4, still reads the switches.
- H. Shear 7/7/83}
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