ID UV erasable PROMS used on an IBM PC board?

Glen Slick glen.slick at
Tue Mar 22 14:20:11 CDT 2022

On Tue, Mar 22, 2022 at 11:56 AM Chris Elmquist <chrise at> wrote:
> Trying not to hijack the thread too much but I have an Intel D27C256-200
> here in my TL866II+ programmer and it returns ID  89h / 8Dh.
Page 5-78 (Page 1201 of the PDF)
Table 1. Mode Selection
Intelligent Identifier - Manufacturer 89H
Intelligent Identifier - Device 8DH
That is for the A27C256 "Automotive" rated version.

My BP Microsystems BP-1610 device programmer software doesn't have an
entry for that one either.

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