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By jad8 ·
is it possible to exceed the 64mb limit on the dell dimension xps m200?

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by Ann777 In reply to Upgrades

No it is not. That's the max the systemboard will accept.

Specifications: Dell Dimension XPS M166s/M200s/M233s
General | System Information | Expansion Bus | Memory | Drives | Ports | Audio | Video | Key Combinations | Power | Physical | Environmental | Regulatory Notices


--------------------------------------------------------------------------------

General
Microprocessor type Intel? Pentium? with MMX™ technology
Microprocessor speeds 166/66 MHz
200/66 MHz
233/66MHz
Internal cache 32 KB
External cache 512 KB
Math coprocessor internal to microprocessor
Microprocessor socket ZIF

--------------------------------------------------------------------------------

System Information

System chip set Intel 430VX PCIset
Data bus width 64 bits
Address bus width 32 bits
DMA channels 7
Timers 3
Interrupt levels 15
Flash EPROM 128 KB, AMI-based
I/O controller chip SMC FDC37C93xFR

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by Ann777 In reply to Upgrades

Expansion Bus
Bus type ISA and PCI
ISA expansion-card connectors 3 full-length slots (1 connector shares a card-slot opening with a PCI connector)
PCI expansion-card connectors 4 full-length slots (1 connector shares a card-slot opening with an ISA connector)
Bus mastering all PCI slots support PCI bus master cards; integrated bus mastering IDE on the PCI bus (ATA specifications-compliant) with 2 connectors/4-device support; both channels support 528-MB or greater hard-disk drives (LBA mode) and multisector reads and writes
ISA bus speed 8.25 MHz
ISA data transfer rate 1 Mbit/sec
PCI bus speed 33 MHz
PCI data transfer rate 70 MB/sec
Plug and Play revision 1.0A
PCI connector data width 32-bit

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by Ann777 In reply to Upgrades

AND THIS SECTION IS SPECIFIC TO YOUR QUESTION:

Memory
DIMM sockets 2
DIMM capacities 16- and 32-MB (SDRAM)
DIMM type 64-bit
Minimum RAM 32 MB
Maximum RAM 64 MB
Memory access time 9.5 ns rated @ 50pf; Intel 66-MHz SDRAM V1.X-compliant
External cache 512-KB single-bank pipelined burst SRAM
BIOS address F0000h
DIMMs buffered or unbuffered unbuffered
Supports 2 or 4 clock cycles both
DIMM voltage 3.3 V


NOTES: The only 32-MB SDRAM DIMMs validated for use in this computer are the following:
Samsung KMM366S403AT1-G2
Hitachi HB526A464EN-10
Samsung KMM366S403AT-G2
Toshiba THMY644021AEG-12A
The system may not recognize other 32-MB SDRAM DIMMs and may fail POST.
When the system memory size is increased above 64 MB in a system with the Intel? Pentium? VX chip set, the system slows down. The problem is the cache limits of the chip set. The second-level (L2) cache can store (cache) memory only for accesses made in the lower 64 MB of main memory due to the size of the cache tag. If more than 64 MB is installed in the system, any memory access to data above the 64 MB is not cached. The system runs cacheless for memory accesses. The Microsoft? Windows? operating system uses pages of memory throughout the entire memory space so some accesses fall above the 64-MB region, which causes a decrease in performance. In effect, instead of getting a performance gain for adding more memory to a base 64-MB system, in many instances the performance is slower.

Additionally, many games that use MS-DOS? extenders are loaded at the top of the memory space so all accesses to the code are cacheless.

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by jad8 In reply to Upgrades

The question was auto-closed by TechRepublic

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Upgrades

by timwalsh In reply to Upgrades

In short, no - not according to Dell Tech Support.

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by jad8 In reply to Upgrades

The question was auto-closed by TechRepublic

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by jad8 In reply to Upgrades

This question was auto closed due to inactivity

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