Service manual

Self-Tests 81
8-plane video option board:
Error code format :
xxx.yyyz Wherez=1fornormal
2 for fatal error
3 for soft error
yyy = test that failed (from the error codes )
xxx = error or status number within the
particular test
initialization x01
chip_select x02
memory_data_path x3A
short_memory x04
id_data x05
scrolling x06
fcc_initialization x07
fcc_ram_counters x08
fcc_ram x09
short_display_list x11
packing x12
compression_b x13
adder_interrupt x14
fcc_interrupt x15
vdac x16
cursor_bitmap x17
sync_readback x18
video_readback x21
left_edge_detect x19
right_edge_detect x20
cursor_readback x22