2-16 9845B/C Environmental, Installation, and Preventive Maintenance Requirements Next, RWM is tested to ensure at least 16K bytes exists in block 0, and tests graphics RWM if graphics is installed. The graphics raster may be seen flashing different patterns during the graphics RWM test, followed by "MEMORY TEST IN PROGRESS" on the display. Normally, the CRT circuits may not be warmed up enough for the graphics RWM tests to be seen. Should errors be trapped during the RWM tests, the CRT should display "PART OF MEMORY FAILED SELF-TEST". The amount of RWM that's lost can be determined by executing LIST and comparing available RWM with the amount of RWM the 9845 should have.
When the turn-on tests are successfully completed, the display should read: "9845 READY FOR USE". If AUTOST had been latched, and a tape inserted in T15, the tape should rewind and load the AUTOST program and run it. Refer to the 9845B/C Mainframe Troubleshooting, Section 4, if this test has errors or fails. Exerciser Starting Procedure Before starting, use the following checklist to ensure that the 9845B/C is ready for testing. • Switch power off. On the back panel, check to ensure that the line voltage selector switches are set, and that the correct fuse(s) is (are) installed. • Verify that the ROMs and interfaces are properly installed. Latch the AUTOST key on the computer.
Begin by inserting System Exerciser Cartridge #1 in the right-hand tape drive so that the cartridge label faces up and out. Switch on power to the System 45, and the computer should load and run the supervisory exerciser program. If this does not happen, or if a blinking cursor does not appear on the CRT within about 20 seconds after turn-on and cannot be obtained by pressing CONTROL STOP, refer to Section 4, Troub- leshooting. The supervisory exerciser program can also be loaded by typing LOAD 11 AUTOST: T 15 11 and pressing EXECUTE. When the supervisory exerciser program begins to run, the following information is displayed: 88455/C SYSTEM EXERCISER Do YOU want PRINTED output (Y,N)?
Answer Y for yes or N for no. and press CONT. If you want the printout to appear on the CRT, answer no. If you answer yes, you are asked to: Please enter the PRINTER select code For non-HP-IB printers, enter the interface select code. (Enter 0 for the internal printer.) If you have an HP-IB printer. answer with the select code and the device address entered together as a three or four digit number. The interface select code can be a one or two digit number which represents a valid select code. The deVice address must be a two digit number. For example, a 9871A Printer (HP-IB option only) connected on interface 7 with its address set to 6 is entered as "706".
(Secondary addressing of HP-IB devices is not allowed.) The choices of exercisers for System Exerciser Cartridge # 1 are then printed on the specified printer (or the CRT). An asterisk (*) appearing before any of the MAINFRAME exercisers shows that that particular option is not installed. Use the same procedure to run the exercisers on System Exerciser Cartridge #2. Now select and run exerciser(s) as explained on the follOWing pages.