[Gmecm] EPROM Identification- (from Australian Delco VR 5L Auto)

[John Lawson]

I've just bought a 1617642 PCM out of a VR Commodore V8 Auto (I think), with a memcal that has an EPROM with the following written on it:

1616 7633
BLUP 9350 980
SINGAPORE 0263

This should be a 512 Kbit EPROM if it's what I think it is.  It had a handwritten "Bullet 5118" or "Bullet 3118" sticker on it, but no Delco silver sticker.

I've tried to read it as a 27C512, and it just downloads 8787, F7F7 and FFFF's.

Any idea what type of chip this is, and what parameters I have to set to re-burn it?

Thanks,

John
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