Chapter 2
Startup and Shutdown
2-6
See Table 2.B for RAM test status codes.
Table 2.B
Status Codes for RAM Test
RAM test status code
Meaning of code
00h
No Errors Detected
02h
Failure of Z80 RAM 0
04h
Failure of Dualport RAM
06h
Failure of both RAM 0 and Dualport RAM
80h
Failure of Z80 RAM 1
82h
Failure of both RAM 0 and RAM 1
84h
Failure of both RAM 1 and Dualport RAM
86h
Failure of RAM 0, RAM 1, and Dualport RAM
See Table 2.C for CTC test status codes.
Table 2.C
Status Codes for CTC Test
CTC test status code
Meaning of code
00h
No Errors Detected
08h
Failure of CTC Timer Mode
10h
Failure of CTC Counter Mode
18h
Failure of both CTC Timer and Counter
See Table 2.D for SIO test status codes.
Table 2.D
Status Codes for SIO Test
SIO test status code
Meaning of code
00h
No Errors Detected
20h
Failure of SIO Channel: No Interrupt
40h
Failure of SIO Channel A: Loopback Failure
After you have run the diagnostics, you must run the host compatibility
test. Read the next section for instructions.
