|Pins||Unihammer?||?||9pin||9pin||9pin||24pin||24pin
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|Processor||uPD8039LC||uPD7811||uPD7811G||uPD7811G||uPD7811||uPD78310||uPD78310
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|BIOS ROM||2732 4kbyte EPROM (8DE-1)||27128 16kbyte EPROM||DMP2000/2160: 27128 16kbyte EPROM||DMP3000: 27256 16kbyte EPROM||27256 16kbyte EPROM||64Kbyte+512Kbyte EPROMs||3x ROM chips
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|Buffer RAM||2K||?||DMP2000:2K ([[DMP2000/3000 Buffer Upgrade Kit|upgradeable]])<br>DMP2160: 2K (see service manual)||DMP3000:2K ([[DMP2000/3000 Buffer Upgrade Kit|upgradeable]]) or 8K? (german DMP3000 service manual)<br>DMP3160/3250di: 8K (see leaflet)||8K (see leaflet)||8K (see leaflet) plus 8K (char RAM?)||8K (see leaflet)
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|Number of Control Codes||9||?||?||?||?||?||?