Hello,
I have recently acquired a G40 (type 2338-EJU) ThinkPad from eBay with 256MB RAM. The official specs of this unit suggest the maximum amount of RAM that can be used is 1GB, but having owned other ThinkPads I know that IBM/Lenovo puts these "max supported" certifications based on whatever they tested and whatever was available at the time (for example, official specs say X200 can take 4GB only when it's actually 8GB). The unit I bought according to specs has an Intel 852GM chipset, which can address a maximum of 1GB RAM. However, I've seen reports on the forums here and elsewhere that the maximum is actually 2GB. How is that possible if the chipset can't address more than 1GB? How do I know the true maximum so I can buy appropriate SODIMMs? In my case, I don't think there exists PC2100 RAM modules larger than 1GB so it's either 512MB+512MB or 1GB+1GB, but how can I tell?
Thanks.
Take a look at our
ThinkPads.com HOME PAGE
For those who might want to contribute to the blog, start here: Editors Alley Topic
Then contact Bill with a Private Message
ThinkPads.com HOME PAGE
For those who might want to contribute to the blog, start here: Editors Alley Topic
Then contact Bill with a Private Message
G40 max ram
-
Shredder11
- Junior Member

- Posts: 379
- Joined: Sat Jun 30, 2012 6:25 pm
- Location: Bradford, West Yorkshire, England
Re: G40 max ram
I had two G40 machines and yes I successfully used 2GB in them with no problems at all, and all 2GB fully usable. I've also got the same currently in my G41 machine, along with SSD drive. The only thing I have not got working so far, is a Gigabit Network card via the Cardbus slot. It recognises the card and installs the driver, but that is as far as I have got with it.
Z61p x3 (C2D T7600, 3GB, 500GB SSD, BCM70015, Advanced Dock x1, Mini Dock x2)
W520 (C2Q i7-2720QM, 32GB, 240GB SSD)
X61 (C2D T7500, 4GB, 250GB SSD, BCM70015)
X61s (3GB, 120GB SSD)
T43p (PM 760, 2GB, IBM Port Replicator II, 128GB SSD)
G41 (P4 3.46GHz, 2GB, 128GB SSD)
W520 (C2Q i7-2720QM, 32GB, 240GB SSD)
X61 (C2D T7500, 4GB, 250GB SSD, BCM70015)
X61s (3GB, 120GB SSD)
T43p (PM 760, 2GB, IBM Port Replicator II, 128GB SSD)
G41 (P4 3.46GHz, 2GB, 128GB SSD)
Re: G40 max ram
My IBM ThinkPad G40 laptop was bought in 2004 and came from the IBM Store (long gone) with 2GB RAM and a 3GHz single core P4 desktop CPU under the hood + a 40 GB PATA/IDE 7200 RPM HDD. It’s still giving satisfactory performance hosting antiX Linux 19.2 32 bit. It can still render webpages and play DVD movies without a single freeze or stutter using VLC all day long.
It was a special order and cost $3000 back in the day. Not many laptops have spanned 16 years which is an eternity for digital stuff. They don’t build them like that any more.
It was a special order and cost $3000 back in the day. Not many laptops have spanned 16 years which is an eternity for digital stuff. They don’t build them like that any more.
Re: G40 max ram
... a d-link PCMCIA wifi card (g, n) works perfectly in my IBM ThinkPad G40Shredder11 wrote: ↑Mon Aug 17, 2020 2:03 pmI had two G40 machines and yes I successfully used 2GB in them with no problems at all, and all 2GB fully usable. I've also got the same currently in my G41 machine, along with SSD drive. The only thing I have not got working so far, is a Gigabit Network card via the Cardbus slot. It recognises the card and installs the driver, but that is as far as I have got with it.
... where the rubber meets the road in these old beasts is the very “busy” modern internet browser interface ... the ancient (2004) IBM G40 doesn’t render webpages lightning fast but it gets the job done amazingly well for a 16 year old computer
... antiX 32 bit is the ideal O/S for older-ancient hardware
-
- Similar Topics
- Replies
- Views
- Last post
-
-
T60/T61 RAM Compatibility Question with DDR2 Modules Above 2GB
by annawonka » Wed Nov 12, 2025 11:43 pm » in ThinkPad T60/T61 Series - 2 Replies
- 7925 Views
-
Last post by Glaurung-quena
Thu Nov 13, 2025 2:37 pm
-
-
-
free: ThinkPad 760 memory card w/ ram
by PiZzA EnGiNeEr » Fri Nov 14, 2025 12:16 am » in Marketplace - Forum Members only - 3 Replies
- 7446 Views
-
Last post by RealBlackStuff
Mon Nov 17, 2025 12:29 pm
-
-
-
FS: IBM T60p 15“ UXGA Display, T2500, 4GB RAM 400GB HDD
by Huma0815 » Wed Nov 26, 2025 5:23 pm » in Marketplace - Forum Members only - 4 Replies
- 8476 Views
-
Last post by Huma0815
Sun Feb 22, 2026 12:57 pm
-
-
-
Upgrade SSD & RAM on New ThinkPad While Keeping Warranty – Who Tried It?
by marcusfrank » Wed Nov 26, 2025 8:24 pm » in Thinkpad - General HARDWARE/SOFTWARE questions - 3 Replies
- 13931 Views
-
Last post by dr_st
Fri Nov 28, 2025 4:18 am
-
Who is online
Users browsing this forum: No registered users and 49 guests



