Question: Why is it that Windows 32-bit operating system can only detect 3gb of memory inspite of 4gb memory installtion.
Answer: This is due to the fact that in 32bit Windows operating systems, the total addressable space available is 4GB. If you installed total 4GB memory, the system will detect less than 4GB of total memory because of address space allocation for other critical functions, such as:

- System BIOS
- Motherboards resources
- Memory mapped I/O
- Configuration for AGP/PCI-Ex/PCI
- Other memory allocations for PCI devices

Different onboard devices and different add-on cards (devices) will result of different total memory size. e.g. more PCI cards installed will require more memory resources, resulting of less memory free for other uses.

This limitation applies to most chipsets & Windows XP/Vista 32-bit version operating systems.

For Windows XP/Vista to use all 4 GB of memory on a computer that has 4 GB of memory installed, the computer must meet the following requirements:
(1) The chipset must support at least 8 GB of address space.
(2) The CPU must support the x64 instruction set.
(3) The BIOS must support the memory remapping feature.
(4) A 64-bit version of Windows XP/Vista must be used.

Question: What is the maximum memory support for Hannspree SN10E1?
Answer: SN10E1 has 2gb max support memory, but since the on-board memory already has 1gb in it; therefore an additional of 1gb memory stick will do.
Question: What is the maximum capacity of SN10E1 memory?
Answer: Can support upto 2GB memory. Therefore, since it has 1gb built-in memory, you can add a maximum of 1G memory.
Question: What is the maximum size of the shared memory?
Answer: The maximum size of the shared memory is 64MB.
Question: How to boot up normally using the external memory when on-board memory is damaged?
Answer: Please visit Hannspree Service Center to help in adding the memory, then start the system, press "Del" to enter BIOS setup menu, set "OnBoard Memory" to "Disable" in "Advanced" item, and then press "F10" to save.

When you restart the system, you can use the external memory as your main memory to boot up the system.
PS: Please ensure the BIOS version is EN011IMS.109 to support this function.
Question: What kind of memory does this model support?
Answer: This model is going to support DDR2 667 / 800 (Chipset FSB is 533)