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[ 5.2 ] ROM and RAM tests
TEST MEMORY
ROM Testing
TEST MEMORY
ROM Test OK
RAM Testing
TEST MEMORY
ROM Test OK
RAM Test NG
Address : hhmmll
Write
Read
TEST MEMORY
ROM test OK
RAM Test OK
Chapter 2. Getting Started the BHT-4000 and System Mode
xxxx/yyyy
XXXX/YYYY
: AA
: BB
yyyy/yyyy
61
Selecting "Memory" on the TEST MENU dis-
plays the screen shown at left and starts
testing the ROM and RAM.
Upon normal completion of the ROM test,
the BHT-4000 automatically starts testing the
RAM.
The screen shows the "tested RAM capac-
ity/total RAM capacity" in kilobytes.
If any error is detected, the BHT-4000 beeps,
shows the message as shown at left, and
terminates the test. (This example indicates
that an error has occurred in the RAM.)
Where,
hhmmll: Address where an error has oc-
curred.
AA:
Data to write
BB:
Data read out from the RAM
To return to the TEST MENU screen, press
C key.
Upon normal completion of the ROM and
RAM tests, the BHT-4000 beeps, shows the
message as shown at left, and returns to the
TEST MENU screen.
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