Products > Test Equipment
General Eastern Optica (Chilled Mirror Hygrometer)
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ew2097:
Anders Petersson:  I have cataloged the bios settings from the unit we received back from outside calibration, and coincidentally just had another unit in our facility with a dead CMOS battery.  When I replaced the battery in that other unit, it suffered the same issue with not retaining changes to the settings (we use Fahrenheit and it repeatedly reset back to Celsius at every restart or power cycle).  After comparing the bios settings between these two units, I see that some of the other default settings need to be changed.

for one thing, AHCI mode is not the solution, it needs to stay on IDE mode, but some of the other non-default settings are what allow the units to boot past the "jumping to" message and also save the settings.

Note: There are two different hardware versions of the VGA optica units...
earlier models used a motherboard with PS/2 mouse and keyboard ports in the rear corner next to the ethernet port which have been covered up by an adhesive plastic panel; these units have a BCM WhizPro bios.
Later models use a newer motherboard with USB ports stacked under the ethernet port in the middle of the rear of the unit; these units have an American Megatrends bios.

These bios settings are for the later model without PS/2 ports.  The USB ports are blocked by a small metal shroud that is spot-welded in three spaces inside the chassis of the unit.  If you open the unit and carefully shimmy a relatively robust flat-head screwdriver between the chassis and each welded tab of the shroud, you can pop the welds with some force and save yourself the hassle of taking the whole motherboard out... you may need to remove the PCI card, though.

These were the settings that were different from the default on our unit from outside calibration:
32Bit Data Transfer: Enabled
PCI IDE BusMaster: Enabled
LAN Option ROM: Enabled (likely irrelevant, but was enabled on the unit received from cal)
Serial Port3 IRQ: IRQ11
Serial Port4 IRQ: IRQ11
Serial Port5 IRQ: IRQ5
Serial Port6 IRQ: IRQ5 (for whatever reason, these pairs of serial port entries in the bios need to have conflicting IRQ values)

You could also set the "Flat Panel Type" to 1024x 768 18-bit instead of 1366, this will ensure POST and BIOS don't try to display off the screens

Hopefully any of this is useful.


--- Code: ---Primary IDE Master
Type:                            Auto
LBA/Large Mode:                  Auto
Block (Multi-Sector Transfer):   Auto
PIO Mode:                        Auto
DMA Mode:                        Auto
S.M.A.R.T.:                      Auto
32Bit Data Transfer:             Enabled


IDE Configuration
Configure SATA as:   IDE
PCI IDE BusMaster:   Enabled


Quick Boot: Enabled
Full Screen Logo Display:  Disabled
Bootup Num-Lock:           On
Wait For 'F1' If Error:    Enabled


Configure advanced CPU Settings
Max CPUID Value Limit:            Disabled
Execute-Disable Bit Capability:   Enabled
Hyper Threading Technology:       Enabled


USB Functions:        8 USB Ports
USB 2.0 Controller:   Enabled
Legacy USB Support:   Enabled
Audio Controller:     Enabled
  GbE LAN Boot:       Disabled
LAN Option ROM:       Enabled


Serial Port1 Address:        3F8
    Serial Port1 Mode:       RS232
  Serial Port1 IRQ:          IRQ4
Serial Port2 Address:        2F8
   Serial Port2 IRQ:         IRQ3
Serial Port3 Address:        3E8
   Serial Port3 IRQ:         IRQ11
Serial Port4 Address:        2E8
   Serial Port4 IRQ:         IRQ11
Serial Port5 Address:        2F0
   Serial Port5 IRQ:         IRQ5
Serial Port6 Address:        2E0
   Serial Port6 IRQ:         IRQ5
Parallel Port Address:       Disabled
Watch Dog:                   Disabled


GPO1 Data:    Low
GPO2 Data:    Low
GPO3 Data:    Low
GPO4 Data:    Low


DVMT Mode Select:           DVMT Mode
  DVMT/FIXED Memory:        256MB
Boot Display Device:        CRT + LVDS/DVI
Flat Panel Type:            1024x 768 18-bit
Output LVDS Format:         18 bit
Initate Graphic Adapter:    PCI/IGD


ACPI Aware O/S:              Yes
Suspend mode:                Auto
Restore on AC Power Loss:    Power On

Advanced Resume Event Controls:    all disabled
--- End code ---
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