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PS2 PS2 DTL-T / TOOL thread

slycooper124

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It is not DDR.

It is 72 pin EDO ram
ok ive heead the term 72pin but i dont know for sure on the term edo. ill research it and find out. im assuming this was popular ram during the 1990's
 

pagan1900

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I got a DTL-T10000, the first HDD is working so i could dump that (i hope). The HDD 2 has no power reaction like the first one. Also with my external forensic writeblocker, so i think the drive is finally dead. In the forum are disc img for the 15000, so i hope someone here has a img for both hdd so i can bring it on compac flash cards and the system to run. The second step will be to find "decal sheet", or i must find a shop who print (in white) the disctray open button decal, memmory card slot decal. so i can refurbish all case decals.
 

Obsidian

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I got a DTL-T10000, the first HDD is working so i could dump that (i hope). The HDD 2 has no power reaction like the first one. Also with my external forensic writeblocker, so i think the drive is finally dead. In the forum are disc img for the 15000, so i hope someone here has a img for both hdd so i can bring it on compac flash cards and the system to run. The second step will be to find "decal sheet", or i must find a shop who print (in white) the disctray open button decal, memmory card slot decal. so i can refurbish all case decals.
Here's one of mine.

 
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uyjulian

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Some information about RTC (Real Time Clock) and batteries…

On the Mechacon / CDVD interface board, there is a CR2032 battery which can be easily replaced.

On the PC board (PCI-586HVE-S), there is a Dallas Semiconductor DS12C887. This is a RTC chip that also contains a non-replaceable battery, and is socketed so the chip can be replaced. The only difference between the DS12C887 and the older DS12B887 is "Year 2000 compliance", which means the DS12C887 also tracks the century. So that means whenever e.g. 1999 rolls into 2000, the DS12C887 can track that information while the older DS12B887 can not e.g. 1999 rolls into 1900. Compared to the DS12B887, the DS12C887 changes the usage of a byte of RAM into the century byte. So I believe you can slot in DS12B887 and compatibles and have it still work, without the century functionality. But I haven't tested that.

On the AIF board, it appears to also be a Dallas Semiconductor DS12C887, but it appears to not be populated on some boards. I think you can take the RTC chip out safely without affecting functionality.

There are some chips that implement a compatible electrical interface as the DS12B887. One of them is the bq3285, and another is the DS12885.
There is a project that allows using those chips in the the socket: https://github.com/necroware/nwX287
Also, someone appears to be selling a compatible module based on the DS12885: https://www.tindie.com/products/glitchwrks/gw-12887-1-ds12887-rtc-replacement-module/

If you want to remove the RTC chip from the board, I think it would best to use a DIP extractor/chip extractor/IC extractor instead of wedging a flathead screwdriver between the socket and the chip. But be aware that the RTC chip is taller than most chips.

Reference:
 
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