Sharp MX-2300 G Service Manual page 217

60
60-1
Purpose : Operation test/Check
Function (Purpose) : Used to check read/write of the expansion
DIMM installed to the ICU PWB.
After completion of execution, the result of
each slot is displayed on the panel.
ICU PWB image DRAM read/write opera-
tion check, check ICU (memory) operation.
Section : Image process (ICU)
Item : Operation
Operation/Procedure
1) When the machine enters Simulation 60-01, the screen on the
right is displayed.
When [EXECUTE] button is pressed, it is highlighted and the
test is started.
2) During testing, "SLOT-2:NOW EXECUTING..." is displayed.
3) SLOT-2 test completed
4) SLOT-3 test completed
5) SLOT-4 test completed
[EXECUTE] button returns to the normal display.
When the test is normally completed,"OK"is displayed.
<Result display>
Result display
OK Success
NG Fail
NG Fail: SLOT4 (standard) is unconnected
(SDRAM IS NOT IN SLOT4) and SLOT3 (option) is connected.
NONE Not installed (including DIMM trouble)
<Set range and default value of each set value>
Item
A SETTING ENABLE
B NUMBER OF ROW
C NUMBER OF COLUMN
D TWR SETTING VALUE
Detail
Display
DISABLE
ENABLE
11BIT
12BIT
13BIT
8BIT
9BIT
10BIT
11BIT
12BIT
2CLOCK
3CLOCK
4CLOCK
5CLOCK
MX-2300/2700 N/G SIMULATION 7 – 111
<SLOT descriptions>
SLOT
SLOT1 Memory connected to the MFP controller.
Since it is of only the system area, it is excluded from the targets
of Red/Write check.
SLOT2 Memory connected to the MFP controller.
Read/Write check is executed for some memory area.
SLOT3 • Option memory connected to the ICU-ASIC.
• Since SLOT4 (standard) memory is not installed, Read/Write
check cannot be executed.
SLOT4 Standard memory connected to the ICU-ASIC
SIMULATION NO.60 01
TEST
SDRAM READ/WRITE TEST
PRESS[EXECUTE] TO START
60-2
Purpose : Setting
Function (Purpose) : Used to set the data of onboard SDRAM.
Section :
Item :
Operation/Procedure
1) Select the set item with [↑] and [↓] buttons.
The highlighted section of the set value is switched and dis-
played on the set setting area.
* If there is any item over [↑], an active display is made and
item is shifted.
If there is no item over [↑], the display grays out and the
operation is invalid.
If there is any item under [↓], an active display is made and
item is shifted.
If there is no item over [↓], the display grays out and the
operation is invalid.
2) Enter the set value with 10-key.
* Press [C] key to clear the entered values.
3) When [OK], [↑], [↓] button, [COLOR], or [BLACK] key is
pressed, the currently set data are set.
Content
SDRAM setting DDR setting of onboard SPD
change flag
DDR setting after the following
B.
ROW address width
COLUMN address width
TWR setting value
Descriptions
0
CLOSE
EXECUTE
Set Default
range value
0 0
1
0 2
1
2
0 2
1
2
3
4
0 1
1
2
3