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- ZX8301 abstract "The ZX8301 was a ULA integrated circuit designed for the Sinclair QL microcomputer. Also known as the \"Master Chip\", it provided a Video Display Generator, the division of a 15 MHz crystal to provide the 7.5 MHz system clock, ZX8302 register address decoder, DRAM refresh and bus controller. The ZX8301 was IC22 on the QL motherboard.The Sinclair Research business model had always been to work toward a maximum performance to price ratio (as was evidenced by the keyboard mechanisms in the QL and earlier Sinclair models). Unfortunately this focus on price and performance often resulted in cost cutting in the design and build of Sinclair's machines. One such cost driven decision (failing to use a hardware buffer IC between the IC pins and the external RGB monitor connection) caused the ZX8301 to quickly develop a reputation for being fragile and easy to damage, particularly if the monitor plug was inserted or removed while the QL was powered up. Such an action resulted in damage to the video circuitry with the ZX8301 almost always requiring replacing.The ZX8301, when subsequently used in the ICL One Per Desk featured hardware buffering, and the chip proved to be much more reliable in this configuration.".
- ZX8301 wikiPageExternalLink Hardware.
- ZX8301 wikiPageID "3877946".
- ZX8301 wikiPageLength "1438".
- ZX8301 wikiPageOutDegree "11".
- ZX8301 wikiPageRevisionID "640814260".
- ZX8301 wikiPageWikiLink Address_decoder.
- ZX8301 wikiPageWikiLink Category:Gate_arrays.
- ZX8301 wikiPageWikiLink Category:Sinclair_Research.
- ZX8301 wikiPageWikiLink Dynamic_random-access_memory.
- ZX8301 wikiPageWikiLink Gate_array.
- ZX8301 wikiPageWikiLink Integrated_circuit.
- ZX8301 wikiPageWikiLink Microcomputer.
- ZX8301 wikiPageWikiLink Motherboard.
- ZX8301 wikiPageWikiLink One_Per_Desk.
- ZX8301 wikiPageWikiLink Sinclair_QL.
- ZX8301 wikiPageWikiLink ZX8302.
- ZX8301 wikiPageWikiLinkText "ZX8301".
- ZX8301 wikiPageUsesTemplate Template:Compu-hardware-stub.
- ZX8301 subject Category:Gate_arrays.
- ZX8301 subject Category:Sinclair_Research.
- ZX8301 hypernym ULA.
- ZX8301 type Company.
- ZX8301 type Array.
- ZX8301 type Circuit.
- ZX8301 type Company.
- ZX8301 comment "The ZX8301 was a ULA integrated circuit designed for the Sinclair QL microcomputer. Also known as the \"Master Chip\", it provided a Video Display Generator, the division of a 15 MHz crystal to provide the 7.5 MHz system clock, ZX8302 register address decoder, DRAM refresh and bus controller.".
- ZX8301 label "ZX8301".
- ZX8301 sameAs Q8063310.
- ZX8301 sameAs ZX8301.
- ZX8301 sameAs m.0b4nwd.
- ZX8301 sameAs Q8063310.
- ZX8301 wasDerivedFrom ZX8301?oldid=640814260.
- ZX8301 isPrimaryTopicOf ZX8301.