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  Can I use PC133 SODIMM with Compaq Presario 1900-XL161 laptop? 
 Date Written 
mugi wibowo Jan 21, 2006, 10:57pm EST Reply - Quote - Report Abuse
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I have an old laptop,Compaq Presario 1900-XL161, the specs are: Intel P3 450 Mhz with 256KB L2 cache, 440BX chipset, new 40GB Seagate momentus hdd, latest BIOS from (don't know exactly what number, but the new BIOS has enabled the use of 40GB hdd), 192 MB SDRAM SODIMM 144 Pins (64MB built in + 128 MB PC100 Kingston KVR100X64SC2/128 module) , I want to upgrade the RAM into 256 + 64 =320MB because I need it to run AutoCAD2002 more properly, the problem is PC100 256MB module is too expensive about US$90 however PC133 256MB is only US$40,

I've checked, they said the maximum memory for my laptop is 192MB, but I really need to try to upgrade. Is there anyone having the experience of running 256MB PC133 SODIMM in PC100 laptop system? If yes, please notify me.(apologize for my bad English).

SiSoftware Sandra

Manufacturer : Compaq
Model : Compaq PC
Version : 0F05
Serial Number : 5Y03DG24H209
ID : F4FCD580-10006455-EBB93289-1FDDFCFB

System Chassis
Manufacturer : Compaq
Type : Notebook
Can be locked : No
Version : N/A
Serial Number : None
Asset Tag : No Asset Tag
Boot-up State : Safe
Power State : Safe
Thermal State : Safe
Security State : External Interface Locked-out

Manufacturer : Compaq
MP Support : No
Model : 0614h
Version : TBD
Serial Number : None

System Memory Controller
Location : Mainboard
Error Correction Capability : None
Number of Memory Slots : 3
Maximum Installable Memory : 1GB
Bank 1 - S1 : DIMM Synchronous DRAM 128MB/32
Bank 2 - S2 : Empty
Bank 3 - S3 : DIMM Synchronous DRAM 64MB/32

Chipset 1
Model : Intel Corporation 82443BX/ZX 440BX/ZX CPU to PCI Bridge (AGP Implemented)
Bus(es) : ISA AGP PCI PCMCIA CardBus USB i2c/SMBus
Front Side Bus Speed : 1x 100MHz (100MHz data rate)
Maximum FSB Speed / Max Memory Speed : 1x 100MHz / 1x 100MHz
Width : 64-bit
IO Queue Depth : 4 request(s)

Logical/Chipset 1 Memory Banks
Bank 0 : 32MB SDRAM 2-3-3-0
Bank 1 : 32MB SDRAM 2-3-3-0
Bank 2 : 64MB SDRAM 2-3-3-0
Bank 3 : 64MB SDRAM 2-3-3-0
Speed : 1x 100MHz (100MHz data rate)
Multiplier : 1/1x
Width : 64-bit
Refresh Rate : 15.60s
Power Save Mode : No
Fixed Hole Present : No

Memory Module 1
Manufacturer : Kingston
Model : KGM100x64C2128SO
Serial Number : 470C6600
Type : 128MB SDRAM
Technology : 8x(8Mx16)
Speed : PC100U 2-2-2-6
Version : 1.2
Date of Manufacture : 03 September 2001
Set Timing @ 100MHz : 3-2-2-6
Set Timing @ 100MHz : 2-2-2-6

Environment Monitor 1
Model : AD ADM1021(A)
Version : 0.03
Mainboard Specific Support : No

Temperature Sensor(s)
Board Temperature : 60.0C / 140.0F td
CPU Temperature : 67.0C / 152.6F td

AGP Bus(es) on Hub 1
Version : 1.00
Speed : 2x 66MHz (132MHz data rate)
Multiplier : 2/3x
Side Band Enabled : Yes

PCI Bus(es) on Hub 1
Version : 2.20
Number of Bridges : 1
PCI Bus 0 : PCI (33MHz)
Multiplier : 1/3x

LPC Hub Controller 1
Model : Intel Corporation 82371EB/MB PIIX4E/M ISA Bridge
ACPI Power Management Enabled : Yes
Multiplier : 1/4x
Speed : 8MHz
DMA Multiplier : 1/2x
DMA Speed : 4MHz

USB Controller 1
Model : Intel Corporation 82371AB/EB/MB PIIX4/E/M USB Controller
Version : 1.10
Interface : UHCI
Channels : 2
Speed : 48MHz
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps)
Legacy Emulation Enabled : No

CardBus/PCMCIA Controller 1
Model : Texas Instruments (TI) PCI1225 PC Card CardBus Controller

CardBus/PCMCIA Controller 2
Model : Texas Instruments (TI) PCI1225 PC Card CardBus Controller

System SMBus Controller 1
Model : Intel/SW PIIX4/OSBx SMBus
Advanced TCO Mode Enabled : No
Slave Device Enabled : Yes
PEC Support : No
Speed : 16kHz

Performance Tips
Notice 224 : SMBIOS/DMI information may be inaccurate.
Tip 2511 : Some memory slots are free so the memory can be easily upgraded.
Warning 100 : Large memory sizes should be made of Registered/Buffered memory.
Tip 2546 : Large memory modules should be ECC/Parity.
Warning 2518 : Mainboard temperature is too high.
Tip 2 : Double-click tip or press Enter while a tip is selected for more information about the tip.

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Kerry Mraz Feb 25, 2006, 07:24pm EST Reply - Quote - Report Abuse
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>> Re: Can I use PC133 SODIMM with Compaq Presario 1900-XL161 laptop?
Hello, I was wondering if you had received an answer to this. I also have this laptop and was wondering if there is any option for upgrading beyond 196MB. I am currently attempting to upgrade the processor and the screen. The processor to 700 MHz (tho it only sees 550 MHz) and to a 13.3 inch screen so that I can see 1024x768. Unfortunately, the board only uses 800x600 so I am seeing if there is bios flash or if the board has to be replaced.

Mat Nairb Feb 25, 2006, 08:55pm EST Reply - Quote - Report Abuse
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>> Re: Can I use PC133 SODIMM with Compaq Presario 1900-XL161 laptop?
We have some Compaq Deskpro EN (Pentium 1GHz) workstations at the office and in the manual it says 512MB is the maximum. When we tried putting more in, the workstation doesn't POST and gives you a message that it doesn't recognize the memory configuration or something like that. When we contacted tech support, they said that it's hard coded into the mobo and that a BIOS upgrade will not help. So seeing how a Compaq PC, that is about four or five years old, will not take more memory, it's highly unlikely that the laptop will.

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