Difference between revisions of "Hardware detection and burn in"
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Some processors are mismarked. Look closely. If it says "NOT FOR RESALE" on it, it may be an experimental processor that has a different speed. For instance a proc marked "Pentium II 233 NOT FOR RESALE" was correctly detected as a "Pentium III 450". The key was to know that "NOT FOR RESALE" indicated that this was a prototype developed at Intel that an engineer took home and later donated to Free Geek. | Some processors are mismarked. Look closely. If it says "NOT FOR RESALE" on it, it may be an experimental processor that has a different speed. For instance a proc marked "Pentium II 233 NOT FOR RESALE" was correctly detected as a "Pentium III 450". The key was to know that "NOT FOR RESALE" indicated that this was a prototype developed at Intel that an engineer took home and later donated to Free Geek. | ||
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Revision as of 14:45, 14 March 2009
Currently, there is a hard drive labeled EVAL 2 in system evaluation 2 area (check the station next to the terminal). This is planned be replaced by a bootable CD. Eventually the whole thing may be ported to a network bootable system.
This process is in development. It's an attempt to add to the functionality of System Evaluation.
Hardware detection
- Open the system and examine it for suitability. Needed components:
- processor
- memory
- power supply
- video card or onboard video
- Also check for some things you'll need to know later on:
- blown capacitors
- type and number of RAM slots (i.e. DDR, RAMBUS, SDRAM)
- Disconnect any existing hard drive
- Connect the eval 2 hard drive
- power
- data cable (check to make sure it's not a cable select cable)
- Boot the system.
- (If boot fails, go to troubleshooting boot problems section.)
- When prompted at the GRUB menu, select the standard (run this first) option
- After loading linux, diagnostic software is automatically run.
The first screen
This displays processor information. Use the System Evaluation 2 Triage chart to determine if the system is a keeper or not.
If it is not a keeper:
- label the system with a REASON FOR RECYCLING label
- place the system in SYstem Evaluation 1's INCOMING pile
If it is a keeper:
- fill out a KEEPER label and post it on the front of the system.
- record the processor type
- record the procesor speed
- record the front side bus speed
- continue on
Subsequent screens
Each screen is designed to detect something about the system. When you see information, record it on a form (yet to be created).
If a screen fails to display information we need to determine if there's a bug in the software (and if so, fix it). Make a note of the problem and identify the system's ID number, so we can test any fixes.
If a screen displays faulty information, do the same.
When finished, reboot the system.
Burn in
(Burn in takes a while and therefore requires enough space. We may need to relocate system evaluation to the warehouse to do this properly. In the meantime, we should do it on a few systems to make sure we have a well developed process in place.)
- When prompted at the GRUB menu, select the MEMTEST option
- Allow the system to run uninterrupted through two cycles. (This will take a long while, and it's best to start working on another system in the meantime.)
- The first cycle will run while the RAM is relatively cool and may not detect certain errors.
- The second cycle will run while the RAM is warmer and may detect new errors.
- Any error indicates that the memory (or system) is bad.
- Swap out the RAM for known good RAM and see if the problem persists.
- If so, the system should be recycled.
- If not, the system is good and can be kept. (What to do with the RAM? Leave it in? Pull for next system?)
- Swap out the RAM for known good RAM and see if the problem persists.
Documentation
Note that the burn in was successfully completed (if it was).
Fill out a regular KEEPER label and place on the front of the computer.
Put the report with notes inside the computer and seal it up.
Troubleshooting boot problems
- In BIOS:
- disable ACPI (power management stuff)
- make sure hard drive is the first boot option
- Simplification:
- Remove unnecessary components (pull extra cards, disconnect unused drives from the motherboard).
- For SDRAM based systems, try removing all but one stick of RAM
- Systematic swapping of needed components:
- For SDRAM based systems, try PC-100 RAM, PC-133 RAM, and possibly PC-66 RAM
- Try swapping video cards out
Oddball things
Some processors are mismarked. Look closely. If it says "NOT FOR RESALE" on it, it may be an experimental processor that has a different speed. For instance a proc marked "Pentium II 233 NOT FOR RESALE" was correctly detected as a "Pentium III 450". The key was to know that "NOT FOR RESALE" indicated that this was a prototype developed at Intel that an engineer took home and later donated to Free Geek.