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| ==Repair issues== | | ==Repair issues== |
| Many 468s used Mostek MKB36000 masked ROMs that can suffer from "ROM rot". It may be necessary to replace the 160-0459-01 and 160-0759-01 ROMs with 2764 EPROMs through a 2364/2764 adapter.
| | → see [[468/Repairs]] page |
| Another option might be using the [[MCM68766]] EPROM.
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| <gallery>
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| 468_new_rom.jpeg | replaced ROM by 2764 with homemade 2364/2764 adapter
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| 468_fail_rom.jpg | Result of bad ROM by verification-check.
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| </gallery>
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| A16 STORAGE-DISPLAY Circuit Board Replacement ERROR in SERVICE Manual Schematic and Parts list (See Repairs)
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| ==Links== | | ==Links== |