What CPUs, Maximum RAM and Power Adapter for CF-28?

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Pareto Optimal
Posts: 29
Joined: Sat Apr 16, 2011 1:30 am

What CPUs, Maximum RAM and Power Adapter for CF-28?

#1 Post by Pareto Optimal »

What CPUs came in the CF-28 and what RAM can it take?
Which power adapter specs and model/part number?

Thanks

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Springfield
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Location: FL

Re: What CPUs, Maximum RAM and Power Adapter for CF-28?

#2 Post by Springfield »

CF-28 came with 600 MHz (Mk1), 800 MHz (Mk2), or 1 GHz (Mk3). Mk2 and Mk3 are very similar except for CPU speed, Mk1 has subtle differences in the case, HD caddy, and others. Mk1 maxes out at 512 MB memory = 256M on-board and a 256M stick of PC-133. Mk2 and Mk3 can handle a 512M memory stick for 768M total, BUT only certain kinds of low-density 512M memory will work like Kingston, Crucial, and "Buffalo" brand.

Panasonic power adapter is CF-AA1639A has 15.6V @ 3.85A with a center pin, different than newer ones with center hole for Cf-18/19/29/30/etc.
ToughBooks: CF-74 73 53 52 51 31 30 29 28 27 25 19 18 08 07 C1 C2 F9 H1 M32 M33 M34 R2 S10 T8 T5 T4 T2 U1 W2 Y2 VDW07 PDRC ...
GoBooks: VR-2, XR-1, IX-260+, IX-350

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wyrm73
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Re: What CPUs, Maximum RAM and Power Adapter for CF-28?

#3 Post by wyrm73 »

There were a few rare models of the at least the Mk3 (not sure about Mk2) that had 512MB onboard memory, making the maximum total 1 GB. Good luck finding one though, I have personally only spotted one on EBay twice ever- people that have them usually hang on to them apparently.

Pareto Optimal
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Joined: Sat Apr 16, 2011 1:30 am

Re: What CPUs, Maximum RAM and Power Adapter for CF-28?

#4 Post by Pareto Optimal »

Thank you for the info.

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MasterBlaster2039
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Re: What CPUs, Maximum RAM and Power Adapter for CF-28?

#5 Post by MasterBlaster2039 »

Also the CF-28 mk1 has a 2D videochip, the Lynx EM. The Mk2 and Mk3 have a simple 3D intel videochip. So, if you like to play 3D games, you will need an Mk2 or Mk3.

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