Question about Panasonic Toughbook 48 Notebook

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Upgrading memory cannot find memory slot (purchased on ebay, second-hand, no manual)

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Open all the hatches underneath the unit, there is a chance that the only memory slot you find is empty as the current RAM in the system might be on-board or somewhere else. If none of the hatches under the unit reveal the RAM slot then it would be under the keyboard. On the toughbooks I use there is four screws above the keyboard holding it down. On your there may be a plastic piece that needs to be removed to reveal the screws or you may have to remove some screws from the bottom to loosen the keyboard.

Posted on Jun 18, 2008

  • Dean Joly
    Dean Joly Jun 18, 2008

    The location of the RAM may also be indicated by a picture of a microchip on the hatch in question.

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Acer Travelmate 270 Memory Upgrade


Acer TravelMate 270 upgrades:

The official upgrade slot is located on the bottom of the laptop and is easy to find. Just unscrew the small cover and there it is.

The other slot requires you to unscrew the two screen bracket screws. Once you have done this, between ESC and F1, F4 and F5 and F12 and PrtSc there are small plastic rings. Put a biro nib into these and pull down. They will pop down. You can now remove the plastic cover.
Unscrew the two screws marked "L9" on the bottom of the laptop which are located at the top of the memory cover. Now you can remove the keyboard. Underneath the keyboard is the second RAM slot. The SiS 650 chipset supports a max of 1GB per memory slot and since this laptop has two slots that means 2GB of RAM. I've used Kingston DDR400 PC 3200 SODIMMS.

You can also upgrade the CPU - the fastest CPU available is the Pentium-M 2.6GHz. Nothing faster will work - trust me on this. It must be a Pentium 4 Northwood architecture CPU with a 400MHz FSB. Standard P4 Northwood CPUs with the metal shim won't fit - unless you know a way of removing the shim without destroying the CPU. Best to stick with a Pentium mobile (Pentium 4 M) chip. Look on Ebay for these.

Of course the hard disk can also be upgraded - a 200GB 7200RPM 2.5" drive works a treat. Non SATA of course.

You can add wireless and USB 2.0 using PCMCIA carbus cards. I use a StarTech 54mbps wireless card with the RAlink chipset and a NEC USB 2.0 card with 4 USB ports. Both cards fit in at the same time.

The laptop absolutely flies with these upgrades.

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The second memory chip is directly under the keyboard. you need to gently pry off the plastic cover above the keyboad that has the speaker grid on it. under there you will find the screws to remove the keyboard and then under the keyboard you will find the additional chip. I maxed mine out with 4gb. but since I'm only running 32 bit it only uses 3gb. If your gonna upgrade be sure to do it in pairs.

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I can't find the second ram slot


Lots of laptops have the second slot under the keyboard. If you are adventurous take the keyboard off and look in there.

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1 Answer

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The M45-S169 only has one available memory slot.
(I'm confused about your post that states "M45-S265" in the head line).

  • Configured with 512MB DDR SDRAM (both memory slots may be occupied)
  • 512MB(min)/2048MB (max), 256MB on-board memory with 1 available memory slot for 256MB, 512MB, or 1024MB PC2700 DDR 333MHz SDRAM 2.5V SODIMM memory modules
You can find the complete specifications here.

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1 Answer

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The problem must be the amount of total memory. Maybe the board supports only 1 gig. Chek the manual.

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4 Answers

Acer Travelmate 270 Memory Upgrade


Acer TravelMate 270 upgrades:

The official upgrade slot is located on the bottom of the laptop and is easy to find. Just unscrew the small cover and there it is.

The other slot requires you to unscrew the two screen bracket screws. Once you have done this, between ESC and F1, F4 and F5 and F12 and PrtSc there are small plastic rings. Put a biro nib into these and pull down. They will pop down. You can now remove the plastic cover.
Unscrew the two screws marked "L9" on the bottom of the laptop which are located at the top of the memory cover. Now you can remove the keyboard. Underneath the keyboard is the second RAM slot. The SiS 650 chipset supports a max of 1GB per memory slot and since this laptop has two slots that means 2GB of RAM. I've used Kingston DDR400 PC 3200 SODIMMS.

You can also upgrade the CPU - the fastest CPU available is the Pentium-M 2.6GHz. Nothing faster will work - trust me on this. It must be a Pentium 4 Northwood architecture CPU with a 400MHz FSB. Standard P4 Northwood CPUs with the metal shim won't fit - unless you know a way of removing the shim without destroying the CPU. Best to stick with a Pentium mobile (Pentium 4 M) chip. Look on Ebay for these.

Of course the hard disk can also be upgraded - a 200GB 7200RPM 2.5" drive works a treat. Non SATA of course.

You can add wireless and USB 2.0 using PCMCIA carbus cards. I use a StarTech 54mbps wireless card with the RAlink chipset and a NEC USB 2.0 card with 4 USB ports. Both cards fit in at the same time.

The laptop absolutely flies with these upgrades.

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1 Answer

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I think in this case the second memory slot is under the keyboard.

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1 Answer

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Yes... just need to purchase the right stuff.

You need to determine if you have DDR or DDRII. And then determine if you have one stick of 512, or if you have 2 sticks of 256. Once you know this information, visit your local Best Buy or purchase somewhere online, a memory upgrade. Such as 2 sticks at 512mb for 1 gig total. Assuming you have two memory slots, should have anyway.

DDRII is fairly cheap right now, be a good time to upgrade. DDR on the other hand, is still a little more expensive.

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1 Answer

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To get at some parts takes some doing, but the AVERATEC 4200 AV4265-EH1 is user upgradable. The 80GB hard drive and one of the 256MB memory slots sit under a large bottom panel held in place by seven small screws. Removing two additional screws frees the hard drive. To reach the second RAM slot, you have to loosen one additional screw (labeled "D" in the manual but not on the notebook) inside the bottom compartment, pop out keyboard's four top latches, and lift it off. The RAM slot, the only exposed component beneath the keyboard, is easy to find. Another 256mb run both will surfice.

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