Service manual
1. Turn the upper key switch straight up to the Off position (0).
2. Remove the defective CPU module.
3. Insert the new processor module.
4. The EEPROM on the new module has a default baud rate of 1200.
Make sure your terminal is set to 1200.
5. Turn the lower key switch to Halt.
6. Turn the upper key switch to Enable.
7. Check the self-test display for the processor, indicated by a P on the
TYP line. See
7
in Example 4β9.
8. If the processor shows a plus sign (+) on both the STF and ETF lines,
it passed self-test (see
8
).
9. Turn the lower key switch to Update.
10. To correct the error message, enter the SET SYSTEM SERIAL
command (see
10
) and follow the prompts. The serial number should be
in the Site Management Guide. If you do not ο¬nd it there, look on an
old self-test display or on the tape located near the bottom of the left
rear cabinet upright.
11. To set up the boot alternatives, enter the SET BOOT command
supplying the parameters recorded in the Site Management Guide. You
might want to check these with the system manager.
11
12. Use the SET LANGUAGE command to set up the language desired.
12
13. Use the SET TERMINAL command to set the EEPROM terminal
characteristics.
13
Results of the SET TERMINAL command will take
effect when the system is reset. Make sure the terminal itself is set to
the same characteristics.
14. Use whatever console commands are necessary to completely customize
the EEPROM to the customerβs satisfaction.
If any patches or boot primitives need to be selected, follow the
procedure in Section 4.18.
14
15. Turn the lower key switch to the Auto Start position and Boot the
operating system.
15
<REFERENCE>(XRP) Scalar Processor 4β49