P5-S800VM/S memory and BIOS upgrade issue

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P5-S800VM/S memory and BIOS upgrade issue

Postby rascard2007 » Wed Nov 07, 2012 9:06 am

Hi Folks!

I have a P5-S800VM/S ASUS motherboard that uses to work with two 2 x 512 MB sticks of 400 MHz DDR RAM, 16 x 32 MB chips each one. I recently got two 1024 MB sticks of 400 MHz DDR RAM, 8 x 128 MB chips each one.

the board didn´t recognize them, no error beeps and no boot also.

I think that mobo could need a bios upgrading, I have just the 0103 version, but when i look for this I found some people complaining about that the /S in the mobo name stands for NEC or Packard Bell OEM so the standard bios in asus webpage doesn´t works with this OEM mobo.

is there any chance of finding a proper bios upograde to this mobo, and that the upgrading solves the memory issue?

here is the, I think, most relevant info that i got from PC wizard about the mobo:

PC Wizard 2010 Version 1.93
------------------------------------------------------------------------------------------
>> OEM Information
Fabricante : ASUS
Model : P5S800-VM/S
> Mainboard : Asus P5S800-VM

Fabricante : ASUSTeK Computer INC. (Asus)
Product : P5S800-VM
Versión : Rev 1.xx
Serial Number : MB-1234567890
Support MP : Yes, 1 CPU(s)
Versión MPS : 1.4

>> Sensor Information
Hardware Monitoring : Winbond W83627EHF/EHG

> Bios : American Megatrends Inc.

Fabricante : American Megatrends Inc.
Versión : 0103
Date : 03/24/2006 (mm/dd/yyyy)
Address : 512 KB
Copyright : (C)2002 American Megatrends, Inc
Motherboard ID : 63-0103-009999-00101111-032406-SIS661FX-A0542001
DMI Version : 2.3

>> Characteristics
Flashable : Yes
Socketed : Yes

> Chipset : SiS 661FX/GX

>> Información general
NorthBridge : SiS 661FX/GX
SouthBridge : PCI to ISA Bridge

>> NorthBridge Information
Architecture : Northbridge
Fabricante : SiS (ASUSTeK Computer)
Revision : 11
Bus Speed : 133 MHz
FSB Frequency : 532 MHz (QDR)

>> Memory Information
Supported Channels : 1
ECC Diagnostic : No


>> Información general
DIMM0 (RAS 6, RAS 11) : 512 (Double Bank)
DIMM1 (RAS 6, RAS 11) : 512 (Double Bank)

>> Memory Controller Information
Memory Controller : SIMM, DIMM, SDRAM
Number of connectors : 2
Max. Module Size : 1024 MB
Max. Memory Size : 2048 MB
Supported Speed : 70ns, 60ns, 50ns
Supported Voltages : 3.3v
Error Detection Method : No
Error Correction Capability : None
Current/Supported Interleave : 1-way/1-way

***** End of report *****

many thanks in advance

SAM
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Postby Mr T » Wed Nov 07, 2012 11:11 am

It looks like a RAM density issue... What brands are they? and from what you said they appear single sided?
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Postby rascard2007 » Wed Nov 07, 2012 11:35 am

Well I think they are a generic brand or something, label only says:


DDR 128 x 8 400 1G 0611
A bar code and
ch in the bottom line

I don´t say they´re single sided, they have 8 chips of 128 MB each on the front side

the old ones had 8 chips of 32 MB each on the both sides

I agree on being some density issue

Thanks

SAM
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Things they would not teach me of in college"
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Postby Mr T » Wed Nov 07, 2012 9:27 pm

Have you tried a BIOS update, that model is listed on the ASUS website, so it is unlikely to be an OEM?
I have been programming on computers since the ZX81.
I am an apprentice trained Electronics Engineer with qualifications to back it up.
I have been repairing computers since 1996.
Yet to some people I still know nothing...
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Postby evasive » Thu Nov 08, 2012 1:05 am

P5S800-VM/S

Definetely a PackardBell/NEC OEM board by the name of Santiago2. Asus bios versions start at 1001, this is a known version of PB/NEC (0106), latest version is 0216 which can be found here:
http://www.nec-computers.com/support2/p ... ource=2006
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Postby rascard2007 » Thu Nov 08, 2012 8:12 am

Many thanks Mr.T and evasive.

I will try the BIOS update.

Are U sure it´s safe to do that?

Sam
"I have only come here seeking knowledge,
Things they would not teach me of in college"
-Wrapped Around Your Fingers-
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Postby evasive » Thu Nov 08, 2012 11:43 pm

If it's the wrong bios it will not update, there's a check in there.
We hate rut, but we fear change.
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Postby rascard2007 » Fri Nov 09, 2012 6:44 am

thanks again evasive, I was just worried about killing my mobo :oops:
"I have only come here seeking knowledge,
Things they would not teach me of in college"
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Postby rascard2007 » Tue Nov 13, 2012 6:41 am

I got the bios update from the NEC Computers page, but to be cautious (because ´cautious seldom err´, Confucious) I want to back up the actual bios of my mobo.

I used AFUDOS and got the actual bios in a file I named oldbios.rom BUT in order to recover the original bios if the flashing process goes wrong ASUS has the EZ Flash Utility that search in floppy or cdrom a BIOS file with an specific name

e.g. for the ´pure´ ASUS mobo EZ Flash serach for "P5S800VM.ROM" file

my question is:

What is the file name that uses the EZ Flash utility to recover the BIOS in my NEC OEMed model?????

many thanks in advance

SAM
"I have only come here seeking knowledge,
Things they would not teach me of in college"
-Wrapped Around Your Fingers-
-The Police-
rascard2007
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Posts: 421
Joined: Tue Jun 12, 2007 10:47 am
Location: Havana, Cuba

Postby evasive » Tue Nov 13, 2012 7:20 am

Where did you find the information about the retail Asus board ROM name? That way I know where to look, inside the EZ-flash utility or in the ROM itself.
We hate rut, but we fear change.
********************************
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