It's probably PC 100. My XPST450 is. Go to the link below and fill in the blanks. It'll tell you exactly what you need.

http://accessories.us.dell.com/sna/mem_config.asp





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Message Edited on 12/12/01 08:42PM by Goonboy

Message Edited on 12/12/01 08:43PM by Goonboy

The best primer on memory and the best place to buy is http://www.crucial.com. They guarantee it will work and have ridiculously low prices.

Thanks for the info. Now, can I just remove the existing one and replace it with a new one? Or, is it better to just add it to one of the open slots? (If I purchase a 256 and add it next to my 128, will I effectively have 384MB?)

I'll second Mary, go with crucial.

Crucial produces some of Dell's memory (at least it did in the case of the stuff I just bought for a Dimension XPST450 and an I3800). For 128MB sticks for an XPST500, Dell's price for the same product (with the same warranty as Crucial's) is actually lower to begin with. There's also a 20% price break for memory purchased on line from Dell right now. I'm no math whiz, but I think that it would be cheaper (at least for the 128MB modules) to get it from Dell. If you want a 256MB module, Dell's price looks to be a bit more, even after applying the discount. All depends on what you want.



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I just purchased more memory from Dell today, and did not get a 20% discount. How come? I ask for it and he said there was none on now? I have a Demension4100 with 128 memory !!!!!
Goonboy wrote:
- Crucial produces some of Dell's memory (at least it
- did in the case of the stuff I just bought for a
- Dimension XPST450 and an I3800). For 128MB sticks
- for an XPST500, Dell's price for the same product
- (with the same warranty as Crucial's) is actually
- lower to begin with. There's also a 20% price break
- for memory purchased on line from Dell right now.
- I'm no math whiz, but I think that it would be
- cheaper (at least for the 128MB modules) to get it
- from Dell. If you want a 256MB module, Dell's price
- looks to be a bit more, even after applying the
- discount. All depends on what you want.
-
-
- src="http://muddville.homestead.com/files/Gsiguno.
- gif"alt=":-þ">
-
-
- href="http://www.1112.net/lastpage.html">
- src="http://muddville.homestead.com/files/aolleave
- .gif"alt="Get out! Leave while you still can!
- Aiyeeee!"> AOL users! Click
- Here!
-
- "Annoy the boring."
- color=white>

If you ordered it over the phone, that's why. The promotion is for on line orders.





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Yes, just add new ram to open slot. Then you'll get combined total Ram of both chips. You are probably running 100 Mhz SDRAM. Should have total of 3 memory slots on your mother board. Can also use 133 Mhz SDRAM, but computer will only be able to utilize the 100 Mhz bandwidth.
Make sure to align the notch tabs to insure correct position for the ram to install.
System Overview
Model: Dell Computer Corporation XPST500
Processor:Intel Pentium III, 1000 MHz (Upgraded)
BIOS:Intel Corp. A11 10/13/2000
Memory:768MB (BIOS), 768MB (Windows)
90% free resources
XP Professional os
Video:NVIDIA RIVA TNT2 32Mb AGP
1024x768 pixels, 16 million colors
Disk:Maxtor 60 GB 7200rpm/ Western Digital 100GB 7200rpm
C:\ (FAT32) 47681MB total
D:\ (FAT32) 19530MB total
E:\ (FAT32) 47681MB total
F:\ (FAT32) 19530MB total
G:\ (FAT32) 19522MB total
H:\ TOSHIBA DVD-ROM SD-M1212
I:\ SONY CD-RW CRX100E
J:\ Removable (Compact Flash)
K:\ Removable (SmartMedia)
(modem) U.S. Robotics U.S. Robotics 56K Voice Win 1806
(net) U.S. Robotics U.S. Robotics Wireless Access 802.11b PCI Adapter 5V
Operating System and Browser:Windows XP 5.1.2600 (Windows XP 5.1.2600);MSIE 6.0; 5.1; Q312461
Advanced Configuration and Power Interface (ACPI) PC
Microtech International DPCM-USB Reader:eUSB Compact Flash;eUSB SmartMedia
Visioneer Hardware Visioneer OneTouch 8900 USB
Creative SB Live! Value
Dazzle Digital Video Creator
Microsoft Unimodem Half-Duplex Audio Device
RAVISENT Technologies Inc. CineMaster C 3.0 WDM Main Driver
RAVISENT Technologies Inc. Cinemaster C WDM DVD Driver
Dell Computer Dell D1626HT 21" Monitor
Logitech Cordless Mouseman Wheel
HP Deskjet 940c Printer
Epson Stylus Photo 1280 Printer
Olympus C2500L Digital Camera
Sony DCR-TR7000 Digital 8 Camcorder
Canon Eos 10s 35mm Camera
Canon Eos 1V-HS 35mm Camera
Walcom Cordless mouse/pen tablet

Winbook Z1 Laptop
1 Ghz Intel processor with speedstep
512 Mb SDRAM
Toshiba DVD/CDRW Combo drive
30 Gb hard drive 7200rpm
60 Gb external hard drive through firewire port
15" VGA/SVGA screen
US Robotics Wireless Lan Card
XP Professional os