Talk:Pocket Dream Console

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Latest comment: 17 years ago1 comment1 person in discussion

The following moved from the main article, to be reinserted when facts are established. Marasmusine 11:16, 2 September 2006 (UTC)Reply

Technical notes edit

No resume from automatic shutdown? (requires switching off and on)
Buttons do not use inverted logic levels.
There are some testpads that might be useful.
No clue yet if there's a write signal, which would be handy for in-system flashing and I/O port)
Volume buttons are wired to the main chip.
At least one trace from the main glob chip goes to a second glob chip. Perhaps that's an amplifier.
With a solder bridge, the mode can be changed from NTSC to PAL if neccesary.
Two TSOP-48 (flash?)ROM chips. Each ROM is probably 1Mx16 = 2 MBytes which would give a total of 4 MBytes.

They are painted black to prevent identification. One of the chips reveals the text "64MB2" in lower-right corner. They are wired in parallel and a simple 74HC00 controls the Output-Enable signals for them. Pinout might be something like [[1]]. After disabling the second chip, nothing appears different until some games are started. When it tries to load the graphics, it reads random data.

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