IBM System/23 Datamaster: Difference between revisions

@@ Line 236: / Line 236: @@
 | 01 || CPU || 8085 self-test.
 |-
-| 02 || First unpaged ROS ROM || This is the ROM at 0000h.
+| 02 || First unpaged ROS ROM || ROM at 0000h.
 |-
 | 03 || Reserved || Unused. Tests pass directly from 02 to 04.
@@ Line 244: / Line 244: @@
 | 05 || CRTC, DMA || Interrupt test; initialization of 8275, 8257; light pen test.
 |-
-| 06-07 || CRTC || Initialization and test; any error in this step or earlier requires a probe
+| 06 || CRTC || Sync and video data tests.
 |-
-| 08 || Page registers || For CPU access, ROM only
+| 07 || CRT Tube || Tube initialization
 |-
-| 09 || Unpaged ROS ROM || The second part of the unpaged segment
+| 08 || Page registers || ROS paging register
 |-
-| 10-19 || Paged ROS ROMs in the motherboard ||
+| 09 || Unpaged ROS ROM || ROM at 0x2000
 |-
-| 1A-29 || ROS Extensions || Test for ROMs in expansion slots
+| 10-19 || Paged ROS ROMs in the motherboard || ROMs at 0x4000 and 0x6000
+|-
+| 1A-29 || ROS Extensions || ROMs at 0x4000 and 0x6000
 |-
 | 2A-30 || RAM || Test for the paged RAM memory