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K7S5A Pro won't post with DDR

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Anonymous
a b } Memory
a b V Motherboard
July 21, 2004 9:01:45 PM

Archived from groups: alt.comp.periphs.mainboard.elitegroup (More info?)

Current system is a K7S5a Pro 5.x with official 021209 BIOS (previously
030121). Athlon 1500+ (133/133), 2x128mb PC133 SDRAM, GF2MX video, 400W
power supply. 20, 80 and 120 GiB drives, all 7200RPM, and an 8x CD-RW.

I replaced the two sticks of SDRAM with one stick of 512mb PC3200
memory. When I power on, monitor stays in standby mode with no video,
and there are no beeps, though the drive spins up and the CD-ROM drive
seeks.

I exchanged the memory at the store for a 512mb stick of PC2100 memory,
and I get the same symptoms. Tried both sticks at 100/100 with all my
hard disks disconnected as well.

I haven't tried with a 512mb stick of SDRAM yet, as I won't be able to
make any more exchanges after that, and I want to see if I can get the
PC2100 memory working.

I saw this post by someone else with the same symptoms, and I reverted
my BIOS from 030121 to 021209 to test if what worked for him might as
well, but it still exhibits this issue.

http://p199.ezboard.com/fk7s5amotherboardforumfrm10.sho...

More about : k7s5a pro post ddr

Anonymous
a b } Memory
a b V Motherboard
July 22, 2004 5:33:46 AM

Archived from groups: alt.comp.periphs.mainboard.elitegroup (More info?)

Try clearing the Bios.

"Dekaritae" <maur@mdi.ca> wrote in message
news:FrDLc.702$re2.513@fe39.usenetserver.com...
> Current system is a K7S5a Pro 5.x with official 021209 BIOS (previously
> 030121). Athlon 1500+ (133/133), 2x128mb PC133 SDRAM, GF2MX video, 400W
> power supply. 20, 80 and 120 GiB drives, all 7200RPM, and an 8x CD-RW.
>
> I replaced the two sticks of SDRAM with one stick of 512mb PC3200
> memory. When I power on, monitor stays in standby mode with no video,
> and there are no beeps, though the drive spins up and the CD-ROM drive
> seeks.
>
> I exchanged the memory at the store for a 512mb stick of PC2100 memory,
> and I get the same symptoms. Tried both sticks at 100/100 with all my
> hard disks disconnected as well.
>
> I haven't tried with a 512mb stick of SDRAM yet, as I won't be able to
> make any more exchanges after that, and I want to see if I can get the
> PC2100 memory working.
>
> I saw this post by someone else with the same symptoms, and I reverted
> my BIOS from 030121 to 021209 to test if what worked for him might as
> well, but it still exhibits this issue.
>
>
http://p199.ezboard.com/fk7s5amotherboardforumfrm10.sho...
>
Anonymous
a b } Memory
a b V Motherboard
July 22, 2004 5:33:47 AM

Archived from groups: alt.comp.periphs.mainboard.elitegroup (More info?)

Tod wrote:

> Try clearing the Bios.
>

You mean CMOS, and It's been cleared each time I flashed the BIOS.
Related resources
Anonymous
a b } Memory
a b V Motherboard
July 22, 2004 5:39:52 AM

Archived from groups: alt.comp.periphs.mainboard.elitegroup (More info?)

"Dekaritae" <maur@mdi.ca> wrote in message
news:FrDLc.702$re2.513@fe39.usenetserver.com...

> When I power on, monitor stays in standby mode with no video, and there
are no beeps, though the drive spins up and the CD-ROM drive seeks. "


Did you reset the CMOS?
Anonymous
a b } Memory
a b V Motherboard
July 22, 2004 5:39:53 AM

Archived from groups: alt.comp.periphs.mainboard.elitegroup (More info?)

Cuzman wrote:

> Did you reset the CMOS?
>

Yus, I used the CMOS reset jumper with each stick, and it was reset as
well when I flashed the BIOS.
Anonymous
a b } Memory
a b V Motherboard
July 22, 2004 9:26:05 PM

Archived from groups: alt.comp.periphs.mainboard.elitegroup (More info?)

Did you disconnect the power cord at the same time as using the jumper ?

"Dekaritae" <maur@mdi.ca> wrote in message
news:rpGLc.740$re2.316@fe39.usenetserver.com...
> Cuzman wrote:
>
> > Did you reset the CMOS?
> >
>
> Yus, I used the CMOS reset jumper with each stick, and it was reset as
> well when I flashed the BIOS.
>
>
Anonymous
a b } Memory
a b V Motherboard
July 22, 2004 11:33:46 PM

Archived from groups: alt.comp.periphs.mainboard.elitegroup (More info?)

Dekaritae wrote:
> Current system is a K7S5a Pro 5.x with official 021209 BIOS (previously
> 030121). Athlon 1500+ (133/133), 2x128mb PC133 SDRAM, GF2MX video, 400W
> power supply. 20, 80 and 120 GiB drives, all 7200RPM, and an 8x CD-RW.
>
> I replaced the two sticks of SDRAM with one stick of 512mb PC3200
> memory. When I power on, monitor stays in standby mode with no video,
> and there are no beeps, though the drive spins up and the CD-ROM drive
> seeks.

I exchanged the 512mb of DDR266 memory for 512mb of PC133 SDRAM (and
$40), but discovered that while it booted, Windows wasn't stable at
133/133. It is stable at 124/124 and below, and I'm going to try 143/143
next using CPUCooL.

I'm guessing that the problem was my power supply. I read through the
K7S5A FAQ and went through my components, and found that the 3.3v and
5.0v rails on my power supply only have a combined wattage of 175, while
the FAQ says 185 is recommended for stability.

I suspect that if I disconnect a few of my peripheral cards, USB devices
or hard disks, it will suddenly become stable at 133/133. but 124*10
isn't a terrible drop from 133*10 in the short-term, and I can pick up a
much less cheap PSU that does 220w on those rails.
!