K9 Read/Write Memory Test; Kl0 Choose Rack Test Sequence - HP 9845B/C CE Handbook

5-14 9845B/C Diagnostics
To write into a memory location use this syntax;
123456;4=177777
(aEC~)
To write or read continuously, include a
1
after the pattern:
123456;41
Multiple statements can be executed by separating them with a comma:
123456;4
t
123457;4
t
123460;4
k9 Read/Write Memory Test
This test performs marching pattern, refresh and byte tests on a selected memory block. Enter
the octal block number and press (
CONTINUE) .
If 100000 is entered, all even blocks are tested.
The block starting address and ending address are displayed. The block is continuously tested
until (
STOP)
is pressed. Errors are treated as described in the memory troubleshooter.
klO
Choose Rack Test Sequence
This test allows you to arrange and set up your own rack testorder.
Note
The tests are performed only
if
the options are installed, otherwise,
the tests are skipped. Likewise,
if
the printer has no paper the printer
test will not be performed and if a tape cartridge is not installed the
cartridge drive test will not be performed.
Disconnect all interfaces from the computer during this test.
When kl0 is pressed, the sequence of desired tests can be entered. Here is a list of the tests and
the key to press to select each test.
Keys to Press Test
G Graphics memory test
M Read/Write memory test
o
Optional T14 Cartridge test
P Printer test
R System and Option ROMchecksum test
T TIS Cartridge test
B
A30
Fast LPU only
L Light Pen Test
(98775A)
Up to ten choices can be entered. After the tenth choice, testing is automatic.
Press (
CONTINUE)
to start the rack test sequence.
Press
CI)
to skip a test and continue with the next test.
Press (
STOP)
to exit the test.
When
(STORE)
is pressed after the test is running, information displayed on the CRT is printed if
the printer is installed.