SDRAM 100 or 133?

  • Thread starter Thread starter CJ
  • Start date Start date
C

CJ

Not sure what type of memory I need,
It would be easy if I had a 100 or 133 HHz bus, but I have a 67 MHz,
the only SDRAM I see offered comes in 100 and 133.
I looked a the chip, but that has no identification/specs written on
it.

I put XP on this computer and about all it can do id boot up, browsing
the web is almost funny as the computer chokes.

crzzy1.


Mainboard and BIOS
Bus(es) : ISA AGP PCI USB SMBus/i2c
MP Support : No
System BIOS : Award Modular BIOS v4.51PG
System Chipset : Intel Corporation 82443LX/EX 440LX/EX CPU to PCI
Bridge
Front Side Bus Speed : 1x 67MHz (67MHz data rate)
Installed Memory : 64MB SDRAM
Memory Bus Speed : 1x 67MHz (67MHz data rate)


System Mainboard
Manufacturer : Biostar
MP Support : No
Model : TLC0905D
BIOS ID : 09/05/1998-i440LX-2A69JB0DC-00
Chipset : Intel 440LX/EX Chipset

System Chipset
Model : Intel Corporation 82443LX/EX 440LX/EX CPU to PCI Bridge
Bus(es) : ISA AGP PCI USB SMBus/i2c
Front Side Bus Speed : 1x 67MHz (67MHz data rate)
Max FSB Speed / Max Memory Speed : 1x 66MHz / 1x 66MHz
In Order Queue Depth : 4 req(s)
 
If the motherboard will take it, then PC100 or PC133 will just run at
the 66mhz speed. I say 'if' because some few older motherboards won't
accept certain ram modules seemingly out of spite ;-)
 
CJ said:
Not sure what type of memory I need,
It would be easy if I had a 100 or 133 HHz bus, but I have a 67 MHz,
the only SDRAM I see offered comes in 100 and 133.
I looked a the chip, but that has no identification/specs written on
it.> I put XP on this computer and about all it can do id boot up, browsing
the web is almost funny as the computer chokes.
Click to expand...

Faster RAM modules are backwards compatible as long as
they still meet the specs of the motherboard. For example,
most older boards which use SDRAM prefer modules with
low density memory chips rather than high density ones.
High density ones use less chips, are less expensive but
won't work on many older boards. A PC133 or PC100
RAM module will run any speed up to their rated speeds
of 133MHz and 100MHz respectively.

We are a dealer and can sell you what you need.
Please e-mail us for a quote.
 
CJ said:
Not sure what type of memory I need,
It would be easy if I had a 100 or 133 HHz bus, but I have a 67 MHz,
the only SDRAM I see offered comes in 100 and 133.
I looked a the chip, but that has no identification/specs written on
it.

I put XP on this computer and about all it can do id boot up, browsing
the web is almost funny as the computer chokes.
Click to expand...


It's not surprising that the computer chokes with anything it does. XP
running on a system with 64 MB of RAM and a 66 MHz bus (you didn't list
the CPU speed), is like trying to climb a steep hill with a bicycle.
The LX chipset should run fine with PC100 or PC133 memory, but the bus
speed, amount of RAM, and no doubt the CPU speed, is *extremely*
limiting the performance with XP installed. More memory will help, but
probably not that much.
 
KC said:
Faster RAM modules are backwards compatible as long as
they still meet the specs of the motherboard. For example,
most older boards which use SDRAM prefer modules with
low density memory chips rather than high density ones.
High density ones use less chips, are less expensive but
won't work on many older boards. A PC133 or PC100
RAM module will run any speed up to their rated speeds
of 133MHz and 100MHz respectively.

We are a dealer and can sell you what you need.
Please e-mail us for a quote.
Click to expand...

SPAM report sent to (e-mail address removed)
 
Not sure what type of memory I need,
It would be easy if I had a 100 or 133 HHz bus, but I have a 67 MHz, the
only SDRAM I see offered comes in 100 and 133. I looked a the chip, but
that has no identification/specs written on it.
Click to expand...

You're right that XP is never going to run well with 64mb ram. I'd
consider 256 to be a practical minimum. Technically either 133mhz or
100mhz ram will work, but the LX motherboard you have probably won't work
with the higher chip densities found in most pc133 ram. I'd suggest
2x128mb low-density pc100 ram for 320mb total. You can still find these on
sale at Best Buy and such places for $10 or so after the inevitable
mail-in rebate. That should be lots of memory for xp, though you may still
find it a little on the slow side. It should be fine for surfing the weeb
and office and stuff like that.
 
KC Computers said:
Faster RAM modules are backwards compatible as long as
they still meet the specs of the motherboard.
Click to expand...


New Kingston ValueRAM no longer clocks down. I had this
problem when I bought a load of PC133 for PC100 boards
and it wouldn't work. Ended up having to send it back
and order (more expensive) PC100.
 
Faster RAM modules are backwards compatible as long as
New Kingston ValueRAM no longer clocks down. I had this
problem when I bought a load of PC133 for PC100 boards
and it wouldn't work. Ended up having to send it back
and order (more expensive) PC100.
Click to expand...

The problem is generally with the chip density and not the rated speed.

System chipsets of that era usually supported 16 or 64Mbit DRAM densities.
 
Not sure what type of memory I need,
It would be easy if I had a 100 or 133 HHz bus, but I have a 67 MHz,
the only SDRAM I see offered comes in 100 and 133.
I looked a the chip, but that has no identification/specs written on
it.

I put XP on this computer and about all it can do id boot up, browsing
the web is almost funny as the computer chokes.

Mainboard and BIOS
Bus(es) : ISA AGP PCI USB SMBus/i2c
MP Support : No
System BIOS : Award Modular BIOS v4.51PG
System Chipset : Intel Corporation 82443LX/EX 440LX/EX CPU to PCI
Bridge
Front Side Bus Speed : 1x 67MHz (67MHz data rate)
Installed Memory : 64MB SDRAM
Memory Bus Speed : 1x 67MHz (67MHz data rate)

System Mainboard
Manufacturer : Biostar
MP Support : No
Model : TLC0905D
BIOS ID : 09/05/1998-i440LX-2A69JB0DC-00
Chipset : Intel 440LX/EX Chipset

System Chipset
Model : Intel Corporation 82443LX/EX 440LX/EX CPU to PCI Bridge
Bus(es) : ISA AGP PCI USB SMBus/i2c
Front Side Bus Speed : 1x 67MHz (67MHz data rate)
Max FSB Speed / Max Memory Speed : 1x 66MHz / 1x 66MHz
In Order Queue Depth : 4 req(s)
Click to expand...

Office Depot has in there Sunday ad PNY 128mb PC66/PC100 SDRAM,
971-480, don't know if that's a store number or PNY's.

I thought that 440 chipset had a 100MHz FSB you might check your BIOS
or motherboard jumpers to see if you can change it.
 
Not sure what type of memory I need,
It would be easy if I had a 100 or 133 HHz bus, but I have
a 67 MHz, the only SDRAM I see offered comes in 100 and 133.
I looked a the chip, but that has no identification/specs
written on it.
Click to expand...
Intel Corporation 82443LX/EX 440LX/EX CPU to PCI
Click to expand...

I noticed that most chips on modules don't have the chip
manufacturer's full markings on them any more, but if they do, Google
will almost always link to the full spec sheet. The modules I've
bought in the past year usually had nothing written on the chips
except for the size and the speed, like "16M x 8".

PC100 will almost always work when the system calls for PC66, but with
my FIC VA-503+ mobo I had to run some CAS3 PC133 PNY/Infineon memory
at CAS2 to make it work at a bus speed of 67 MHz.

If memory is rated PC100 or PC133/PC100, then it should work in your
system because it has at least 8 chips per 128MB (i.e., 16 chips for a
256MB module), but the chip count alone isn't a guarantee of
compatibility because I once got a 16-chip 256MB PC133 module with 32M
x 4 chips that were too big for my Socket 7 and Intel 440BX mobos;
those chipsets couldn't use SDRAM chips bigger than 16M x N, like 16M
x 8.

Some companies, like Kingston, Crucial, and Centon, have separate part
numbers for PC133-only, PC133/PC100, and PC100 modules, but others,
like PNY, K-Byte, and CompUSA assign the same numbers to PC133-only
and PC133/PC100 modules.
 
He has an "LX" chipset which only runs at 66MHz. The "BX" chipsets run at
66, 100, (some 133) MHz.
 
It's not surprising that the computer chokes with anything it does. XP
running on a system with 64 MB of RAM and a 66 MHz bus (you didn't list
the CPU speed),
Click to expand...

Processor(s)
Model : Intel(R) Celeron(tm)
Speed : 334MHz
Performance Rating : PR401 (estimated)
L2 On-board Cache : 128kB ECC synchronous write-back
 
CJ said:
Not sure what type of memory I need,
It would be easy if I had a 100 or 133 HHz bus, but I have a 67 MHz,
the only SDRAM I see offered comes in 100 and 133.
I looked a the chip, but that has no identification/specs written on
it.

I put XP on this computer and about all it can do id boot up, browsing
the web is almost funny as the computer chokes.
Click to expand...

lol WinXP is slow on 1GHz computers, it'd be a slug on yours. Win98SE
would be the most suitable version of Windows for this computer (it's
plenty fast on a Pentium 1, actually). It'd be fine with 64mb of ram too.

Now PC100 and PC133 modules usually underclock fine to 66MHz (PC66) speed.
My old Pentium II computer has got a 128mb PC133 module in it running at
66MHz. There are a couple of percent that won't though.

Considering the age of your motherboard, it may have some problems with
larger memory modules. I doubt it'd handle a 512mb module for example.
Your motherboard manufacturer's website should contain information about
its capabilities.

What I'd do if it was my computer, would be to remove the PC66 ram, and
put in two or three compatible PC100 or 133 modules sized at 128 or 256mb
(depending on support), and increase the front side bus speed to 75MHz for
75MHz of ram speed (makes quite a difference). The CPU should, in theory
at least, handle the overclock fine.
 
Not sure what type of memory I need,
It would be easy if I had a 100 or 133 HHz bus, but I have a 67 MHz,
the only SDRAM I see offered comes in 100 and 133.
I looked a the chip, but that has no identification/specs written on
it.
Click to expand...

Everyone has come up with some great tips on how to tell what memory
will work, but so far it is somewhat contradictory.

One thing I don't understand if 133 memory is cheaper (and it is).
and it works in all SDRAM PC's why even advertise the more expensive
100 Mhz Chip?

Anyway,
I just pulled out the chip,
the 8 individual chips say tc-10 a 9842a korea h57v658020
and the sticker says 408787 PRD 01UO S-DRLD-64HYT SK8080-2
it seems to have about 84 pins.

(Not a lot of help.

You would think that between that and my Sandra info I would be able
to figure out what it is that I need.



Processor(s)
Model : Intel(R) Celeron(tm)
Speed : 334MHz
Performance Rating : PR401 (estimated)
L2 On-board Cache : 128kB ECC synchronous write-back

Mainboard and BIOS
Bus(es) : ISA AGP PCI USB SMBus/i2c
MP Support : No
System BIOS : Award Modular BIOS v4.51PG
System Chipset : Intel Corporation 82443LX/EX 440LX/EX CPU to PCI
Bridge
Front Side Bus Speed : 1x 67MHz (67MHz data rate)
Installed Memory : 64MB SDRAM
Memory Bus Speed : 1x 67MHz (67MHz data rate)


System Chipset
Model : Intel Corporation 82443LX/EX 440LX/EX CPU to PCI Bridge
Bus(es) : ISA AGP PCI USB SMBus/i2c
Front Side Bus Speed : 1x 67MHz (67MHz data rate)
Max FSB Speed / Max Memory Speed : 1x 66MHz / 1x 66MHz
In Order Queue Depth : 4 req(s)

Logical/Chipset Memory Banks
Bank 0 Setting : 64MB SDRAM 7-2-2-2R 5-1-1-1W 2-2-2CL
Speed : 1x 67MHz (67MHz data rate)
Multiplier : 1/1x
Power Down Mode : No
Fixed Hole Present : No


crzzy1.
 
CJ said:
Everyone has come up with some great tips on how to tell what memory
will work, but so far it is somewhat contradictory.

One thing I don't understand if 133 memory is cheaper (and it is).
and it works in all SDRAM PC's why even advertise the more expensive
100 Mhz Chip?
Click to expand...

Supply and demand determines the prices. There's not much of either for the
PC100 because few people use it any more. As a result, those who have no
choice -- or don't realize they have a choice-- pay a premium.

PC133 is more expensive than it used to be for the same reason, the market
has turned heavily in favor of DDR SDRAM, PC3200 being the standard in
current systems from both Intel and AMD.
 
lol WinXP is slow on 1GHz computers, it'd be a slug on yours. Win98SE
would be the most suitable version of Windows for this computer (it's
plenty fast on a Pentium 1, actually). It'd be fine with 64mb of ram too.
Click to expand...

I'm curious why you are suggesting Win98 rather than WinNT. My
old PC was a 486DX100 with 64MB RAM, and WinNT 4.0 SP6a ran just
fine on it. I could even run IE6 with no problem. A little slow,
but usable, and certainly it should be faster on this guy's computer.
 
Io said:
lol WinXP is slow on 1GHz computers, it'd be a slug on yours. Win98SE
would be the most suitable version of Windows for this computer (it's
plenty fast on a Pentium 1, actually). It'd be fine with 64mb of ram too.
Click to expand...

Windows XP is running just fine on my 1.3GHz machine, and Windows 2000 runs
very happily on my parents 450MHz K6-2. So I don't see any reason why with
enough ram he'd have a problem.
Now PC100 and PC133 modules usually underclock fine to 66MHz (PC66) speed.
My old Pentium II computer has got a 128mb PC133 module in it running at
66MHz. There are a couple of percent that won't though.
Click to expand...

You have to be careful, not all SDRAM will work this way. As always I would
recommend getting memory from a site such as crucial.com where they actually
test these things.
 
CJ said:
(e-mail address removed) (CJ) wrote in message


Everyone has come up with some great tips on how to tell what memory
will work, but so far it is somewhat contradictory.

One thing I don't understand if 133 memory is cheaper (and it is).
and it works in all SDRAM PC's why even advertise the more expensive
100 Mhz Chip?

Anyway,
I just pulled out the chip,
the 8 individual chips say tc-10 a 9842a korea h57v658020
and the sticker says 408787 PRD 01UO S-DRLD-64HYT SK8080-2
it seems to have about 84 pins.

(Not a lot of help.

You would think that between that and my Sandra info I would be able
to figure out what it is that I need.
Click to expand...
Use Aida32 to find the make of the memory. It will probably give you a
link to the manufacturer's web site. Free and no install required:
http://www.aida32.hu/aida-download.php
 
One thing I don't understand if 133 memory is cheaper (and it is).
and it works in all SDRAM PC's why even advertise the more expensive
100 Mhz Chip?
Click to expand...
Because people that don't know any better will pay the price. Your board
has 3 dimm slots and supports a total of 768Meg of ram if I read the right
manual. That means the max you can put in a slot is a 256Meg module. I'm
pretty sure that your chipset supports high density dimms. If not. it
should see a 256meg stick as 128Meg. Been there done that. One of the ram
makers has a compatability list. Plug in your MB model number and it will
tell you which will work. BTW, all the info you list is pretty much
useless. All you need to list is the MB make/model. As in Biostar M6xxx,
or whatever.
 
<KC Computers wrote:
<> <>> Not sure what type of memory I need,
<>> It would be easy if I had a 100 or 133 HHz bus, but I have a 67 MHz,
<>> the only SDRAM I see offered comes in 100 and 133.
<>> I looked a the chip, but that has no identification/specs written on
<>> it.> I put XP on this computer and about all it can do id boot up,
<>> browsing the web is almost funny as the computer chokes.
<>
<> Faster RAM modules are backwards compatible as long as
<> they still meet the specs of the motherboard. For example,
<> most older boards which use SDRAM prefer modules with
<> low density memory chips rather than high density ones.
<> High density ones use less chips, are less expensive but
<> won't work on many older boards. A PC133 or PC100
<> RAM module will run any speed up to their rated speeds
<> of 133MHz and 100MHz respectively.
<>
<> We are a dealer and can sell you what you need.
<> Please e-mail us for a quote.
<>
<
<SPAM report sent to (e-mail address removed)

Only it ain't spam.

Zbeba ercbeg frag gb (e-mail address removed)<xvqqvat>

BTW, people who ride bikes, love hills. That's what it's all about.

hand-c.porter.
 
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