[time-nuts] HP 3314A ROMs

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Apr 18 08:32:56 UTC 2011


In message <BANLkTi=fpfEuPw+vL8rsZz1R7bsA4NKcVA at mail.gmail.com>, Joseph Gray wr
ites:
>No luck so far. I wired up an adapter and tried reading the Mostek
>part as a 2764. All I got was zeros. I read that sometimes this is due
>to not enough power to read the old parts, so I plugged a wall wart
>into my programmer for extra juice (it's USB powered normally). This
>didn't help. I guess I'll have to wait until I get a proper definition
>for the software to read this part.

Check if the MK36* need more than a single +5V supply...  Old EPROMS
usually needed two or even three different supplies.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.




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