Thread: BIOS Problem(?) - Tekram P5M4-M+
October 2nd, 2005, 12:11 PM #1
BIOS Problem(?) - Tekram P5M4-M+
Once again, into the breach my friends:
This time the question involves a hand-me-down Socket 7 board, specifically a Tekram P5M4-M+ mated to an AMD K6-2/500 MHz w. 90MB PC100 SDRAM (which ought to be enough for boot-up and diagnostics, no?) Thus far no OS installed.
Note: board came with no BIOS battery in place. Replacement is that salvaged from a previously-discarded board.
Antiquated board? Absolutely.
Easier to ditch this and move up to a more current board? Without a doubt.
As an academic exercise, I want to find out what is ailing this board and get it up and running.
Tekram P5M4-M+ /AMD K6-2/500MHz /90MB PC100/300W PSU. freshly-fdisked and formatted HD on Primary M-IDE, 32x CD-ROM as Master on Secondary IDE, properly jumpered, cable station and even molex power hook-ups.
Boots up into BIOS setup screen okay. I go to advanced BIOS settings and alter the default boot-up sequence from "C,A" over to "A,C." (Would prefer there be a setting on this machine for "A, C, CD-ROM," but we can't have everything.)
On initial boots, the BIOS directs firmware to seek out bootdisk on A: which boots normally. IN BIOS, machine recognizes drive on C: and CD-ROM on D:
Save settings and exit.
Now check out dir C: which should only have Command.com on it, ready for Win98se installation from CD-ROM. Installation hangs after first screen.
Upon reboot, error message in DOS:
"Invalid System Disk
Verifying DMI Pool Data (sometimes includes ".......update success")
Often the system freezes at this point.
A reboot results in message "Invalid Media... hit any key" error message as it looks for an OS.
I get back into BIOS settings and they have returned to default (!!!)
Also, for any Harddrives fdisked and formatted on this board, they seem to be being corrupted rather than properly fdisked.
Note that the board came to me without a BIOS battery. I suspect it may need a new battery and possibly having the BIOS flashed. I have a handheld multimeter but do not know how to use it to check the voltage of the installed BIOS, not that I would know what kind or rating of battery that this particular board needs (again, a Tekram P5M4-M+ rev. 1).
October 2nd, 2005, 12:22 PM #2
I didn't think it would run without a battery.
Removing the battery on any board will return the BIOS to default settings. That is why it returns to default.
October 2nd, 2005, 12:42 PM #3
Note that while the board came without a battery and thus the settings would return to default, the battery has been replaced.
Note the questions regarding the battery.
Still, in its current state, the board is problematic.
Flashing the BIOS requires absolute stability. How can you successfully flash a BIOS when the board is glitching as such.
I suspect that the battery may be the culprit, but don't know how to test it for proper voltage, nor do I know what voltage the board requires or how to determine what the voltage on such a battery is, since the markings may simply consist of a serial nymber and a "+" symbol on one side.
If there are solutions to these questions I would greatly appreciate thoughts from the members here.
This includes thoughts as to any other possible methods of troubleshooting and repairing this board.
I suspect that it can be a very good board, but needs the proper voltage, an updated BIOS and a good home.
October 2nd, 2005, 01:09 PM #4
Of 5 batteries I have, 2 out of old systems and 3 in running systems, they are all CR2032 3volt. I don't know if that is standard though.
If your battery is OK I would check your memory and power supply.
October 2nd, 2005, 01:13 PM #5
If mem test dosen't find any errors but stops unexpectedly, it could be your power supply.
October 2nd, 2005, 01:24 PM #6
Just cheched my running Gigabyte and that has CR2032 also, so that makes 6. Statistically it is begining to look like CR2032 3V is standard.
October 3rd, 2005, 09:56 AM #7CR2032 3V is standard
Last edited by TOAD6147; October 3rd, 2005 at 10:02 AM.
October 3rd, 2005, 10:11 AM #8
Iím not sure but it sounds to me like you have hard drive set on master,
On IDE alone, thatís why itís hanging,
Put both hard drive and cd rom on cable select,
It does not work well when you have hard drive on master on IDE alone,
The computer thinks there is a slave present,
And it hangs when searching for it,
October 3rd, 2005, 10:21 AM #9
You can also go into the bios and check the drives,
Where it lists the drives, it has hard drive and cd rom as master,
If it has slave set on auto, change it to none, so it wonít look for slave drives
October 9th, 2005, 07:47 PM #10
A series of other projects landed in my lap and I will have to put this project on the back burner for now, but I will check your comments before continuing on when the smoke clears.
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