DIGITAL-LOGIC MICROSPACE MSM286 Series Technical User's Manual page 37

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The paged SSD scheme:
The ROM-Disk is up to 16 page addressable. That means the following:
First 1MByte
BIOS
F0000
ROM-DISK
E0000
D0000
VGA / SCSI
C0000
Video
B0000
Video
A0000
DRAM
Without VGA the maximum size is available for the ROM-Disk:
BIOS:
ROM-DISK:
With VGA the minimum size is available for the ROM-Disk:
BIOS:
VGA :
ROM-Disk:
7.1 Generating a bootable ROM-DISK:
Check the SSD manual, supplied with the SSD-TOOL disk.
64 KBytes
1024 KBytes (ROM-DOS and Application)
DL-DOS uses only 40 KBytes ROM-Space
64 KBytes
32 KBytes
1024 KBytes
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MSM286 Manual V6.4
1MByte SSD
64kByte
SSD BIOS Extension 1k
Dev.1
Dev.2