IBM System/23 Datamaster: Difference between revisions

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Line 236:
| 01 || CPU || 8085 self-test.
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| 02 || First unpaged ROS ROM || This is the ROM at 0000h.
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| 03 || Reserved || Unused. Tests pass directly from 02 to 04.
Line 244:
| 05 || CRTC, DMA || Interrupt test; initialization of 8275, 8257; light pen test.
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| 06-07 || CRTC || InitializationSync and test;video anydata error in this step or earlier requires a probetests.
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| 0807 || PageCRT registersTube || ForTube CPU access, ROM onlyinitialization
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| 08 || Page registers || ROS paging register
| 09 || Unpaged ROS ROM || The second part of the unpaged segment
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| 10-1909 || PagedUnpaged ROS ROMsROM in|| theROM motherboard ||at 0x2000
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| 1A10-2919 || Paged ROS ExtensionsROMs ||in Testthe formotherboard || ROMs inat 0x4000 expansionand slots0x6000
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| 1A-29 || ROS Extensions || ROMs at 0x4000 and 0x6000
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| 2A-30 || RAM || Test for the paged RAM memory