Technician’s Handbook
188
SX-200 LIGHT/DIGITAL Initialization
* Power Supply Power Fail Sense can cause this test to fail.
** Upon test failure, test error codes will be flashed for 1
second, after which testing will begin again from test 1.
Table 29: Main Control Card Test Status Codes
Test Name Test Code
Error
Code
Bus Error Vector/Stack Test 0 E0
Processor Viability Test 1 E1
PROM Checksum Test 2 E2
RAM Load Checksum Test 3 E3
Limited RAM Test 4 E4
DMA Controller Test/PFS OK* 5 E5
RAM Chip Select Test 6 E6
RAM Data Bit Independent Test 7 E7
Memory Address Test 8 E8
Memory Space Test 9 E9
** Booting System Software b or b. Eb or Eb.
Parity Test P EP
Top of RAM determined and displayed 1.2.2.2.4.
005C0
Main load being read in from disk L E (flashing)
L
Huffman encoded load being decoded H E (flashing)
H
Main load running - -
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