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PostPosted: Sat Oct 25, 2014 3:03 pm 
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Joined: Fri Oct 03, 2014 6:40 am
Posts: 46
Location: Margate, UK
Hi,

I recently bought a Thinkpad X24 off ebay for £10, after installing a hard drive it appears to work quite well although I will replace a few of the plastics as the screen bezel/lid have seen better days.

When it arrived it had no ram installed (just the 128MB on-board), so I added a 256MB PC-100 chip to it, with the chip in I get nothing on screen, 1 short beep followed by 3 short beeps followed by another short beep (1-3-1), without the PC-100 chip installed it boots and runs fine.

I've tried 3 different PC-100 chips which have all worked fine in my T20's.

Does the X24 only take PC-133 chips or am I missing something simple?

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Daily use: X220, T410
Collection: 4xT20, T23, T60 (Pinkpad for my daughters), X22 (password locked), X24, 2xR40e, A20m, 600e, 701c
http://thevdm.com


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PostPosted: Sat Oct 25, 2014 3:32 pm 
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Location: San Jose, CA 95120 USA
Yes, it's that simple. X24 requires PC133 memory modules.

edit: Since you may also run other Thinkpads of this vintage...

T20-T22, X20-X21 takes PC100 or PC133 "low density" memory. For 256MB modules, that's 16 chips on the board; 128MB modules = 8 chips
T23, X22-24 takes only PC133 memory

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X22 X24 X31 X41 X41T X60 X60s X61 X61s X200s X300 X301 Z60m Z61t Z61p 560 560Z 600 600E 600X T21 T22 T23 T41 T410 T420 R50 A21p A22p A31 A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.


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PostPosted: Sat Oct 25, 2014 3:34 pm 
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Joined: Fri Oct 03, 2014 6:40 am
Posts: 46
Location: Margate, UK
rkawakami wrote:
Yes, it's that simple. X24 requires PC133 memory modules.


Thank you, that's a pain, I've got a few spare PC-100s, the only PC-133 I have that can be switched with PC-100 are in a Thinkpad web server, I daren't destroy the uptime of that so... back to ebay it is for some PC-133, at least that way I can make sure I get a 512MB chip for it :D

Edit: Thank you for adding the additional information, that will no doubt come in handy as I own a few laptops from that era (and intend to own more over time)

Also it may be worth noting that the T20 can sometimes work with PC-133 as long as it is in slot 2 and their is a PC-100 chip in slot 1.

_________________
Daily use: X220, T410
Collection: 4xT20, T23, T60 (Pinkpad for my daughters), X22 (password locked), X24, 2xR40e, A20m, 600e, 701c
http://thevdm.com


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