Re: A2386SX

From: Gerrit Heitsch <gerrit_at_laosinh.s.bawue.de>
Date: Wed, 19 Jul 2017 14:58:56 +0200
Message-ID: <fd1b8227-9e7f-2506-006e-0425ba14e968@laosinh.s.bawue.de>
On 07/18/2017 11:29 PM, silverdr@wfmh.org.pl wrote:
> 
>> On 2017-07-18, at 22:59, Konrad B <konrad0x42@gmail.com> wrote:
>>
>> MCS-48
> 
>> On 2017-07-18, at 23:22, Ethan Dicks <ethan.dicks@gmail.com> wrote:
>>
>> It's a so-called "keyboard BIOS" chip - really a microcontroller to
>> speak AT-keyboard protocol to a PC-AT|PS/2 keyboard with a parallel
>> interface for the PC side.  Once standalone, long since folded into PC
>> motherboard "chipsets", and as Konrad B mentioned it's an MCS/48
>> family MCU.  An ancestor is the Intel 8048.
> 
> Thanks guys. That explains. A uC with EPROM on it makes much more sense
> 
> As for the A2386SX schematics - do we have any?

Here's a link to check out:

http://www.traumstation.ch/hardware/Commodore/Amiga/A2286-A2386%20Bridgeboard/


  Gerrit


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