March 2000 © TOSHIBA TEC 11-23 DP120F/DP125F Troubleshooting1.5.6 DRAM TEST [MENU], [9], [4], [06]This test conducts a read/write test on all the areas of the DRAM except the work area.(1) Use the [ ↑ ] or [ ↓ ] key to select the "06. DRAM TEST", and then press the [ENTER] key. If a memory error occurs, the address where the error occurred is dis-played and the procedure is suspended. The test will resume upon press-ing the [START] key. The address assigned to each memory is as in the table below.When an error occurs, refer to this table.→DRAM TESTNGADDRESS=YYYYYYHIf no further errors arefound after resuming DRAM TESTNGCOMPLETED(2) When you complete the test, press the [STOP] key to return to the standby mode screen.(3) Depending on the result of the test, replace the Main PBA or Memory PBA referring to"Chapter 8 Removal/Replacement/Adjustment" on page 8-46 or 8-41.Address (H)400000 to 5FFFFF600000 to 7FFFFF800000 to 9FFFFFA00000 to BFFFFFEC0000 to EFFFFFIC No.IC34IC41IC1IC2IC25Installed PBAMain PBAMemory PBA (Option) con-nected to CN7 of Main PBAMain PBAIC No.IC46IC25Installed PBAMain PBAMain PBADP120F DP125F→DRAM TESTTESTINGOn completing all theaddresses normallyAbout 6 minutesDRAM TESTOK
