Difference between revisions of "User:SVANDUSEN"
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::*If display will not hold on "Basic Test" or error message is displayed - '''Automatic recycle.''' | ::*If display will not hold on "Basic Test" or error message is displayed - '''Automatic recycle.''' | ||
::*If speed and capacity can be determined, and both meet specification - | ::*If speed and capacity can be determined, and both meet specification - | ||
− | + | :::'''Press red button (On/Off) to turn off test device.''' | |
− | + | :::'''Remove RAM.''' | |
− | + | :::'''Label with speed and capacity.''' | |
− | + | :::'''Stack in designated area on table (orange label) to be loaded into test board.''' | |
:*DDR & DDR2 - | :*DDR & DDR2 - | ||
::*Use a test board. Several boards give an accurate reading regarding capacity and speed (see also "Loading & Testing). | ::*Use a test board. Several boards give an accurate reading regarding capacity and speed (see also "Loading & Testing). | ||
− | :::Load a single stick. | + | :::*Load a single stick. |
− | :::Power on at the power supply. | + | :::*Power on at the power supply. |
− | :::Wait until the system enters "MemTest". | + | :::*Wait until the system enters "MemTest". |
− | :::Read the capacity and speed from the display. | + | :::*Read the capacity and speed from the display. |
− | :::Power off at the power supply. | + | :::*Power off at the power supply. |
− | :::Remove the stick. | + | :::*Remove the stick. |
− | :::Label and stack in designated area on table (orange label) to be loaded into test board. | + | :::*Label and stack in designated area on table (orange label) to be loaded into test board. |
::*Research online. Several websites dealing in RAM specifications have been bookmarked and other websites can be accessed by "Googling" using the manufacturer and or model/part number (if available). | ::*Research online. Several websites dealing in RAM specifications have been bookmarked and other websites can be accessed by "Googling" using the manufacturer and or model/part number (if available). | ||
− | ::: | + | :::*Locate a website. |
− | ::: | + | :::*Locate the RAM in question in the website. |
− | ::: | + | :::*Note the capacity and speed in the specifications. |
− | ::: | + | :::*Label and stack in designated area on table (orange label) to be loaded into test board. |
::*Ask an instructor. Some of them know ways to determine information by examining the imbedded chips. | ::*Ask an instructor. Some of them know ways to determine information by examining the imbedded chips. | ||
'''6. "Kit of 2"''' | '''6. "Kit of 2"''' | ||
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:*Load the RAM into the test boards as follows: | :*Load the RAM into the test boards as follows: | ||
::'''Be aware ---''' | ::'''Be aware ---''' | ||
− | + | ::*Banks (the slots into which the sticks are inserted) are designated 0, 1, 2, & 3 moving from inboard [closest to the CPU] to outboard [farthest from the CPU]). | |
− | + | ::*Channels consist of two banks. | |
− | + | :::Banks may be color coded; ie. two black and two blue. | |
− | + | :::Clips on the banks (hinged plastic parts at the ends of the banks that hold the sticks in place) may be color coded; ie. two black and two white. | |
− | + | :::Some boards may have a separation between pairs of banks, some do not. | |
− | + | :::Some boards may alternate color coded banks or clips; ie. blue-black-blue-black, or pair them; ie. blue-blue-black-black. | |
− | + | :::In any case, '''Channels are always composed of the pairs bank 0 + bank 2 and bank 1 + bank 3'''. | |
::*Load from inboard to outboard. | ::*Load from inboard to outboard. | ||
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:::If the pass number is '''3 or greater''', the testing process is complete. | :::If the pass number is '''3 or greater''', the testing process is complete. | ||
− | ::*'''Watch for indications of failure, as indicated above, and correct as necessary.''' | + | ::*'''Watch for indications of failure, as indicated above, and correct as necessary.''' |
+ | |||
+ | '''7. Repeat these steps for each test board as long as there is RAM to be tested. | ||
+ | |||
+ | '''8. Do NOT load any boards after 5:00P.''' | ||
|- | |- | ||
| '''Label & Route''' ||After the testing process has been completed, label and route the tested RAM as follows: | | '''Label & Route''' ||After the testing process has been completed, label and route the tested RAM as follows: |
Revision as of 11:50, 9 July 2010
RAM (Memory) Testing
SVANDUSEN 19:13, 26 May 2010 (UTC)
RAM is a deceptively simple device to test. It appears to be simply a matter of gathering, sorting,loading,removing, labeling, and storing; repeated over and over again. In actuality, there are a multitude of details and issues involved that would take far more space to cover than is alloted here. This is a very basic overview of the essentials that are necessary to get through the process. For more information please consult other experienced volunteers, instructors, or research such sources as Wikipedia or forums on Google.
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