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Compaq Deskpro EN 6266 CPU Upgrade



 
 
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  #1  
Old February 6th 06, 03:17 AM posted to alt.sys.pc-clone.compaq
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Default Compaq Deskpro EN 6266 CPU Upgrade

I`m thinking about putting a cheap PII450 Slot 1 CPU upgrade in this machine
it is possible. I had a quick look at the current CPU a few weeks back and
it doesn't look like a Slot 1 CPU although it must be - its mounted flat
instead of upright. I haven't bothered to take a closer inspection but the
Slot 1's I remember used to be mounted vertically into a Slot 1 socket. Is
this different or am I looking at it wrong ?

--
And to all those opposed...
Hmm...well


  #2  
Old February 6th 06, 03:47 AM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

Nick Le Lievre wrote:
I`m thinking about putting a cheap PII450 Slot 1 CPU upgrade in this
machine it is possible. I had a quick look at the current CPU a few
weeks back and it doesn't look like a Slot 1 CPU although it must be
- its mounted flat instead of upright. I haven't bothered to take a
closer inspection but the Slot 1's I remember used to be mounted
vertically into a Slot 1 socket. Is this different or am I looking at
it wrong ?


I found this post where a person is trying to do a similar thing
http://tinyurl.com/7ddnf he says the retention mechanism is only for SEPP
(Celeron) CPU but the P2 266 already in there must be SECC surely "Since the
processor is on its side in the computer, then the off-the-shelf Universal
Retention Mechanism (URM) clips that can be bought won't work (because they
are vertical only.)"

The processor is on its side so will a standard SECC P2 Slot 1 450 which I
have always thought mounted vertically fit in this Deskpro EN 6266 on its
side (its has a 440bx chipset apparently eg supports 100mhz).

--
And to all those opposed...
Hmm...well


  #3  
Old February 6th 06, 04:17 AM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

Nick Le Lievre wrote:
Nick Le Lievre wrote:
I`m thinking about putting a cheap PII450 Slot 1 CPU upgrade in this
machine it is possible. I had a quick look at the current CPU a few
weeks back and it doesn't look like a Slot 1 CPU although it must be
- its mounted flat instead of upright. I haven't bothered to take a
closer inspection but the Slot 1's I remember used to be mounted
vertically into a Slot 1 socket. Is this different or am I looking at
it wrong ?


I found this post where a person is trying to do a similar thing
http://tinyurl.com/7ddnf he says the retention mechanism is only for
SEPP (Celeron) CPU but the P2 266 already in there must be SECC
surely "Since the processor is on its side in the computer, then the
off-the-shelf Universal Retention Mechanism (URM) clips that can be
bought won't work (because they are vertical only.)"

The processor is on its side so will a standard SECC P2 Slot 1 450
which I have always thought mounted vertically fit in this Deskpro EN
6266 on its side (its has a 440bx chipset apparently eg supports
100mhz).


Yes it appears the Slot 1 could be mounted horizontally or vertically
http://tinyurl.com/bpneu although I never saw it horizontally before.
Question is can I mount a standard slot 1 p2 450 horizontally in this system
what about rentention mechanism ?

--
And to all those opposed...
Hmm...well


  #4  
Old February 6th 06, 04:39 AM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
I`m thinking about putting a cheap PII450 Slot 1 CPU upgrade in this
machine it is possible. I had a quick look at the current CPU a few
weeks back and it doesn't look like a Slot 1 CPU although it must be
- its mounted flat instead of upright. I haven't bothered to take a
closer inspection but the Slot 1's I remember used to be mounted
vertically into a Slot 1 socket. Is this different or am I looking
at it wrong ?


I found this post where a person is trying to do a similar thing
http://tinyurl.com/7ddnf he says the retention mechanism is only for
SEPP (Celeron) CPU but the P2 266 already in there must be SECC
surely "Since the processor is on its side in the computer, then the
off-the-shelf Universal Retention Mechanism (URM) clips that can be
bought won't work (because they are vertical only.)"

The processor is on its side so will a standard SECC P2 Slot 1 450
which I have always thought mounted vertically fit in this Deskpro EN
6266 on its side (its has a 440bx chipset apparently eg supports
100mhz).


Yes it appears the Slot 1 could be mounted horizontally or vertically
http://tinyurl.com/bpneu although I never saw it horizontally before.
Question is can I mount a standard slot 1 p2 450 horizontally in this
system what about rentention mechanism ?


There is stories of people with Deskpro EN 6350 and 6450 upgrading to P3 550
and P3 1ghz http://tinyurl.com/7ma2u if my 6266 has a 440bx motherboard as
has been suggested it should be the same as the one in the 6350 and 6450 and
theoretically allow me to go up to P3 1ghz (100mhz bus).

--
And to all those opposed...
Hmm...well


  #5  
Old February 6th 06, 07:01 AM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
I`m thinking about putting a cheap PII450 Slot 1 CPU upgrade in
this machine it is possible. I had a quick look at the current CPU
a few weeks back and it doesn't look like a Slot 1 CPU although it
must be - its mounted flat instead of upright. I haven't bothered
to take a closer inspection but the Slot 1's I remember used to be
mounted vertically into a Slot 1 socket. Is this different or am I
looking at it wrong ?

I found this post where a person is trying to do a similar thing
http://tinyurl.com/7ddnf he says the retention mechanism is only for
SEPP (Celeron) CPU but the P2 266 already in there must be SECC
surely "Since the processor is on its side in the computer, then the
off-the-shelf Universal Retention Mechanism (URM) clips that can be
bought won't work (because they are vertical only.)"

The processor is on its side so will a standard SECC P2 Slot 1 450
which I have always thought mounted vertically fit in this Deskpro
EN 6266 on its side (its has a 440bx chipset apparently eg supports
100mhz).


Yes it appears the Slot 1 could be mounted horizontally or vertically
http://tinyurl.com/bpneu although I never saw it horizontally before.
Question is can I mount a standard slot 1 p2 450 horizontally in this
system what about rentention mechanism ?


There is stories of people with Deskpro EN 6350 and 6450 upgrading to
P3 550 and P3 1ghz http://tinyurl.com/7ma2u if my 6266 has a 440bx
motherboard as has been suggested it should be the same as the one in
the 6350 and 6450 and theoretically allow me to go up to P3 1ghz
(100mhz bus).


Had a look at the motherboard and it has a dip switch where you can set
either 66mhz fsb or 100mhz fsb so it must be a 440bx and not the 440lx which
only supports 66mhz. I tried to remove the CPU but couldn't figure out how
to do it - anyone knows how to release the CPU on these models where its
mounted horizontally. Also am I going to have a problem with the CPU fan
connection ?

--
And to all those opposed...
Hmm...well


  #6  
Old February 6th 06, 10:21 PM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
I`m thinking about putting a cheap PII450 Slot 1 CPU upgrade in
this machine it is possible. I had a quick look at the current CPU
a few weeks back and it doesn't look like a Slot 1 CPU although it
must be - its mounted flat instead of upright. I haven't bothered
to take a closer inspection but the Slot 1's I remember used to be
mounted vertically into a Slot 1 socket. Is this different or am I
looking at it wrong ?

I found this post where a person is trying to do a similar thing
http://tinyurl.com/7ddnf he says the retention mechanism is only
for SEPP (Celeron) CPU but the P2 266 already in there must be SECC
surely "Since the processor is on its side in the computer, then
the off-the-shelf Universal Retention Mechanism (URM) clips that
can be bought won't work (because they are vertical only.)"

The processor is on its side so will a standard SECC P2 Slot 1 450
which I have always thought mounted vertically fit in this Deskpro
EN 6266 on its side (its has a 440bx chipset apparently eg supports
100mhz).

Yes it appears the Slot 1 could be mounted horizontally or
vertically http://tinyurl.com/bpneu although I never saw it
horizontally before. Question is can I mount a standard slot 1 p2
450 horizontally in this system what about rentention mechanism ?


There is stories of people with Deskpro EN 6350 and 6450 upgrading to
P3 550 and P3 1ghz http://tinyurl.com/7ma2u if my 6266 has a 440bx
motherboard as has been suggested it should be the same as the one in
the 6350 and 6450 and theoretically allow me to go up to P3 1ghz
(100mhz bus).


Had a look at the motherboard and it has a dip switch where you can
set either 66mhz fsb or 100mhz fsb so it must be a 440bx and not the
440lx which only supports 66mhz. I tried to remove the CPU but
couldn't figure out how to do it - anyone knows how to release the
CPU on these models where its mounted horizontally. Also am I going
to have a problem with the CPU fan connection ?


Figured out how to remove the CPU its easy really underneath was an Intel
443BX AGP chip which I guess must be part of the 440bx chipset. The CPU has
a foxconn heatsink and no fan - and there is no CPU fan connection on this
motherboard.

--
And to all those opposed...
Hmm...well


  #7  
Old February 7th 06, 12:27 AM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
Nick Le Lievre wrote:
I`m thinking about putting a cheap PII450 Slot 1 CPU upgrade in
this machine it is possible. I had a quick look at the current
CPU a few weeks back and it doesn't look like a Slot 1 CPU
although it must be - its mounted flat instead of upright. I
haven't bothered to take a closer inspection but the Slot 1's I
remember used to be mounted vertically into a Slot 1 socket. Is
this different or am I looking at it wrong ?

I found this post where a person is trying to do a similar thing
http://tinyurl.com/7ddnf he says the retention mechanism is only
for SEPP (Celeron) CPU but the P2 266 already in there must be
SECC surely "Since the processor is on its side in the computer,
then the off-the-shelf Universal Retention Mechanism (URM) clips
that can be bought won't work (because they are vertical only.)"

The processor is on its side so will a standard SECC P2 Slot 1 450
which I have always thought mounted vertically fit in this Deskpro
EN 6266 on its side (its has a 440bx chipset apparently eg
supports 100mhz).

Yes it appears the Slot 1 could be mounted horizontally or
vertically http://tinyurl.com/bpneu although I never saw it
horizontally before. Question is can I mount a standard slot 1 p2
450 horizontally in this system what about rentention mechanism ?

There is stories of people with Deskpro EN 6350 and 6450 upgrading
to P3 550 and P3 1ghz http://tinyurl.com/7ma2u if my 6266 has a
440bx motherboard as has been suggested it should be the same as
the one in the 6350 and 6450 and theoretically allow me to go up to
P3 1ghz (100mhz bus).


Had a look at the motherboard and it has a dip switch where you can
set either 66mhz fsb or 100mhz fsb so it must be a 440bx and not the
440lx which only supports 66mhz. I tried to remove the CPU but
couldn't figure out how to do it - anyone knows how to release the
CPU on these models where its mounted horizontally. Also am I going
to have a problem with the CPU fan connection ?


Figured out how to remove the CPU its easy really underneath was
an Intel 443BX AGP chip which I guess must be part of the 440bx
chipset. The CPU has a foxconn heatsink and no fan - and there is no
CPU fan connection on this motherboard.


One last thing before I take the plunge and get a PIII 600 slot 1 100mhz
with standard heatsink to run without connecting the FAN (should be ok only
hotter) I want to know what the wire from the heatsink to the motherboard is
on this Compaq. Its not a CPU fan wire but whats it for - somebody told me
this needs to be connected for the PC to boot I havent tested that out yet
but its connected to the heatsink and I`ve never seen it on a PIII Heatsink
before.

--
And to all those opposed...
Hmm...well


  #8  
Old February 7th 06, 02:23 AM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

On Tue, 7 Feb 2006 00:27:15 -0000, "Nick Le Lievre"
wrote:

SNIP

One last thing before I take the plunge and get a PIII 600 slot 1 100mhz
with standard heatsink to run without connecting the FAN (should be ok only
hotter) I want to know what the wire from the heatsink to the motherboard is
on this Compaq. Its not a CPU fan wire but whats it for - somebody told me
this needs to be connected for the PC to boot I havent tested that out yet
but its connected to the heatsink and I`ve never seen it on a PIII Heatsink
before.


The wire from the heat sink to the motherboard is a temperature sensor. If it
is not connected to the motherboard, the system will complain and (*** I THINK,
IIRC ***) not boot. In other words, you need it.

Do NOT run the P3 CPU without its cooling fan. This is a pretty sure recipe for
overheating. Instead, is it possible to graft the old heat sink onto the new
processor? The old heat sink is large enough that it will dissipate the heat.
Most any heat sink/fan combo attached to a Slot 1 P3 cannot dissipate the heat
unless the fan is working... Ben Myers

  #9  
Old February 7th 06, 03:18 PM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

Ben Myers wrote:
On Tue, 7 Feb 2006 00:27:15 -0000, "Nick Le Lievre"
wrote:

SNIP

One last thing before I take the plunge and get a PIII 600 slot 1
100mhz with standard heatsink to run without connecting the FAN
(should be ok only hotter) I want to know what the wire from the
heatsink to the motherboard is on this Compaq. Its not a CPU fan
wire but whats it for - somebody told me this needs to be connected
for the PC to boot I havent tested that out yet but its connected to
the heatsink and I`ve never seen it on a PIII Heatsink before.


The wire from the heat sink to the motherboard is a temperature
sensor. If it is not connected to the motherboard, the system will
complain and (*** I THINK, IIRC ***) not boot. In other words, you
need it.

Do NOT run the P3 CPU without its cooling fan. This is a pretty sure
recipe for overheating. Instead, is it possible to graft the old
heat sink onto the new processor? The old heat sink is large enough
that it will dissipate the heat. Most any heat sink/fan combo
attached to a Slot 1 P3 cannot dissipate the heat unless the fan is
working... Ben Myers


I did a bit more research the thermal sensor will display an error message
but you can press F1 to bypass it also there is a way to trick it so it
doesn't display the error http://tinyurl.com/b6elj with regard to the
running the CPU without fan it shouldn't be the problem esp if its a
coppermine http://tinyurl.com/chcs2 if its a katmai at 2.0v might be
something to worry about.

--
And to all those opposed...
Hmm...well


  #10  
Old February 7th 06, 04:41 PM posted to alt.sys.pc-clone.compaq
external usenet poster
 
Posts: n/a
Default Compaq Deskpro EN 6266 CPU Upgrade

Thermal sensor detection is built into the BIOS and cannot be disabled.

.... Ben Myers

On Tue, 7 Feb 2006 15:18:26 -0000, "Nick Le Lievre"
wrote:

Ben Myers wrote:
On Tue, 7 Feb 2006 00:27:15 -0000, "Nick Le Lievre"
wrote:

SNIP

One last thing before I take the plunge and get a PIII 600 slot 1
100mhz with standard heatsink to run without connecting the FAN
(should be ok only hotter) I want to know what the wire from the
heatsink to the motherboard is on this Compaq. Its not a CPU fan
wire but whats it for - somebody told me this needs to be connected
for the PC to boot I havent tested that out yet but its connected to
the heatsink and I`ve never seen it on a PIII Heatsink before.


The wire from the heat sink to the motherboard is a temperature
sensor. If it is not connected to the motherboard, the system will
complain and (*** I THINK, IIRC ***) not boot. In other words, you
need it.

Do NOT run the P3 CPU without its cooling fan. This is a pretty sure
recipe for overheating. Instead, is it possible to graft the old
heat sink onto the new processor? The old heat sink is large enough
that it will dissipate the heat. Most any heat sink/fan combo
attached to a Slot 1 P3 cannot dissipate the heat unless the fan is
working... Ben Myers


I did a bit more research the thermal sensor will display an error message
but you can press F1 to bypass it also there is a way to trick it so it
doesn't display the error http://tinyurl.com/b6elj with regard to the
running the CPU without fan it shouldn't be the problem esp if its a
coppermine http://tinyurl.com/chcs2 if its a katmai at 2.0v might be
something to worry about.


 




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