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HP Pavilion 7840 motherboard?
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Original Message
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Name: Eric
Date: August 29, 2003 at 15:07:30 Pacific
Subject: HP Pavilion 7840 motherboard? OS: WinXPCPU/Ram: Celeron 256mb |
Comment: What kind of motherboard does a hp pavilion 7840 have? I want to upgrade my processor, but I don't know how high I can upgrade it. Thanks,
Eric
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Response Number 1
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Name: Ken
Date: August 29, 2003 at 16:22:10 Pacific
Subject: HP Pavilion 7840 motherboard? |
Reply: (edit)Hi, I believe that machine used a Trigem board. But, you will be hard pressed to find much useful info on it, because its an OEM board. Your best bet would be to go to HP.com and do some searching on your model number. Good luck.
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Response Number 2
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Name: estatik
Date: August 29, 2003 at 16:53:52 Pacific
Subject: HP Pavilion 7840 motherboard? |
Reply: (edit)Hey Eric,
I have a Trigem Cognac+ mobo(althought not hp or emachines), but from the research I have done on my mobo, the highest CPU you can install is a PIII 1.13GHz/256K L2/100MHz FBS or a Celery 1.1GHz/128K/100MHz FSB. A PIII 1.0/256/100 or Celery 1.0/128/100 will work as well. Don't bother with the PIII/Celery CPUs with 133MHz FSB; they will run at a lower GHz due to the 133MHz FBS and the Trigem Cognacs are only rated at 100MHz FSB. Try looking on eBay, although, the PIII 100MHz FSB are a bit hard to find. Plan on spending around $70 US. And make sure you get the coppermine core, not the tualatin one. If you're not sure, the coppermine has a small, exposed chip and does not have an "A" after the 1.13/1.1 (ie, 1.13A/1.1A). The tualatin chip has big heat spread cover on the top side of the chip with an "A" following the GHz rate. Here's some sites regarding the Trigem Cognac mobo: www.e4all.info http://www.e4all.info/motherboards/cognac.htm http://us-support.external.hp.com/emse/bin/doc.pl/sid=f6074fd214e67d9c78?searchtype=SEARCH_BSD&searchcategory=ALL&todo=nav&searchtext=7840&ri=25&rn=25 Good luck! ¤estatik¤
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Response Number 3
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Name: estatik
Date: August 29, 2003 at 17:12:54 Pacific
Subject: HP Pavilion 7840 motherboard? |
Reply: (edit)Oh, forgot to mention that there are two variants of a 370 socket PIII/Celery(well, actually three but...). You want the FC-PGA and not the FC-PGA2. ¤estatik¤
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Response Number 4
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Name: wrenchmonkey
Date: September 24, 2003 at 01:12:42 Pacific
Subject: HP Pavilion 7840 motherboard? |
Reply: (edit)I'm also interested in upgrading my Pavilion 7840, but the HP web site lists the processor as 66 MHz FSB and the memory as 100 MHz FSB. Will this motherboard run a CPU at 100 MHz FSB?
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Response Number 5
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Name: wrenchmonkey
Date: September 27, 2003 at 18:31:18 Pacific
Subject: HP Pavilion 7840 motherboard? |
Reply: (edit)Follow-up: Installed a Celeron 1100 MHz cpu, Intel #SL5XU ($39@openlinx.com), and it works great. My brother will love it, this will be his 1st computer. Thanks estatik. 1.1 GHz Celeron(now)
2- 30 GB HDD
512 MB PC133 SDRAM
GeForce 2 MX400 64MB
Zoom V92 #3025 modem
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