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-
-
- HRAMDISK.SYS is a RAM disk that loads into segments D and E,
- between the video buffers and the system ROM. It was the basis for
- the PC Magazine POWER USER column in the summer of 1985.
-
- If you are using my EZDOS program, HRAMDISK.SYS already has the
- DTEST code loaded. This means that you can monitor disk activity
- across system warm boots. Also, this means that the contents of
- the RAM disk are preserved when the system is rebooted.
-
- HRAMDISK will initialize system memory if you have memory installed
- beyond the mother board switch settings. In the CONFIG.SYS file, you
- need to add a parameter telling HRAMDISK how much memory to initialize
- (the real top of RAM). No reboot will be done, so you need to use my
- LRAMDISK program to do that. This will give you two non-volatile RAM
- disks for the price of one.
-
- LRAMDISK.SYS will do the system reboot after it installs itself
- above the BIOS top of memory pointer. With these RAM disk programs,
- plus EZDOS, you have abbreviated commands, disk statistics that continue
- across system warm starts, and RAM disks that preserve their contents
- across system warm starts.
-
- HRAMDISK is installed with a line in the CONFIG.SYS file that
- includes the driver name and the amount of system memory installed below
- the display buffer. It should only be used in systems with memory
- installed in segments D and E. The result is a 127K RAM disk and the
- EZDOS DTEST code.
-
- LRAMDISK is installed with a line in the CONFIG.SYS file that
- contains its name, followed by parameters for the disk size, cluster
- size, number of directory entries, and amount of system memory below the
- display adapters.
-
- My CONFIG.SYS looks like this:
-
- DEVICE=HRAMDISK.SYS 704
- DEVICE=LRAMDISK 128 128 32 704
-
- This gives me drive D: in high memory with 127K and drive E: with
- 128K above the DOS area, which extends to 704K on my system.
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-