Hi guys,

It seems I've really cheesed off the Gods of Electronics this week... or=20
my HP 16500B. One or the other.

A few of you might be aware that it scrambled the 28C16 MAC address=20
EEPROM earlier this week. I pulled the EEPROM, reprogrammed it, and=20
reinstalled it. This worked fine until today, when I swapped the 504MB=20
hard drive for a CompactFlash card. The LAN card wouldn't respond, then=20
I power-cycled and got the "LAN Card EEPROM corrupt" message again.

Except this time it's terminal.

Pulled the chip from the socket -- data line D6 has become stuck low. So=20
a fully erased chip returns 0xBF... joy.

Does anyone have a spare PLCC-packaged 28C16 EEPROM? This is a parallel=20
EEPROM in a 32-pin package, and was made by a ton of companies. I need=20
something 200ns or faster, ideally. The original part was a KM28C16J-20=20
(Samsung), although a Catalyst/ONSemi CAT28C16AGI, Atmel AT28C16 or=20
similar part should be fine.

It seems these parts have become extremely difficult to find... :(

Thanks,
--=20
Phil.
piclist@philpem.me.uk
http://www.philpem.me.uk/
--=20
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