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IBM PC Convertible 5140 Laptop

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  IBM PC Convertible 5140 Laptop by Bill Degnan - 12/07/2008 22:55

What make these IBM laptops tick, anyway?

Recently I have been learning more about what you can and can't do with an IBM 5140 laptop. It's a non-PS/2 from 1986 that was popular until the PS/2 laptops started appearing a few years later. Surprisingly, a lot of the units I have come across still have working batteries!

I need more power supplies.

Pictures of 5140's

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  IBM 3101 Emulation IBM Series 1 by Bill Degnan - 12/08/2008 21:08
IBM 3101 Emulation Program: Download

Contents of README.TXT (written my me):

This program was used with an IMB 5140 PC Convertible laptop to interface with a Series 1.

The label for this 720K disk reads

S/1 Console Supp
3101 Emulation
Retain-P/N Info
(1.2/2.0)
IPL Disk (or)
Type 'autoexec'
IBM INTERNAL USE
ONLY

You must change the properties of the following files to "Archive".
Autoexec.bat
Command.com
*.txt
PA$$ION.SET

You must change the properties of the following files to "Hidden" and maybe "Archive"
IBMBIO.COM
IBMDOS.COM




Lastly, change the files name all CAPS

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  5140 Guide to Operations? by Bill Degnan - 07/10/2009 10:32
I was unable to locate a PDF of the IBM 5140 Guide to Operations online, but here is a link with the same information, plus more

http://ohlandl.ipv7.net/5140/5140.html

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