One is on the bottom of the laptop directly in the middle secured by one screw and RAM clips. The other is below the keyboard which is secured by three screws on the bottom of the laptop, clips holding the keyboard, then the usual RAM chip clips on either side.
The HP Compaq NC6400 can be bought on many online websites. Websites like eBay, Amazon, and Overstock has the HP Compaq NC6400 available in stock for one to purchase.
HP/Compaq nc6400 has 2 DDR2 (speed up to PC2-5300 (667MHz)) slots and can have maximum total RAM of 4GB. Memory module upgrades are farely easy and straight forward. Just get a compatible memory and add/upgrade in the memory slot which is mostly accessible from bottom of the laptop by removing one or two screws. Here is a tutorial for memory replacement/upgrade from HP for this series of laptops. http://bizsupport.austin.hp.com/bc/docs/support/SupportManual/c00713949/c00713949.pdf - Neeraj Sharma
Since the only difference in your detail - is the amount of memory (4GB against 2GB) - go for the 4GB machine. The extra memory will help Windows 7 run faster.
Photosmart D7560, A636 Compact Photo Printer, HP A536 Compact Photo Printer are just a few HP printers that have memory card slots.
There are many possible causes of the black screen of death in an HP Compaq NC6400. One likely cause of this issue would include a failed display driver.
Not all printers come with memory card slots, but most midrange (over $80) printers do, such as HP's and Canon's.
There is only one accessible memory slot on the HP Mini Netbook. Maximus supported memory is 2048 mB.
Memory slots
No, Memory slots are on the motherboard bus.
No, the ps3 does not have memory card slots.
DIMM stands for Dual Inline Memory Module. DIMM slots are the slots on a motherboard that hold the memory modules.
Memory Slots