JHL90 Service Manual
• Video modes supported on the secondary display path (need VGA driver
support)
Supported video modes and timings please refer to the technical reference of
VGA vendor. In particular, text mode and standard VGA modes are not supported.
9. Customer Specific Features
9.1 Display of System Type and BIOS Version Number on Boot
BIOS Version V1.00*
Note: * The numbers of BIOS version will be changed.
9.2 CMOS RAM management
The BIOS will automatically update certain information in CMOS on each boot.
This information includes:
• DRAM size and configuration
• Hard disk configuration
• Always report the existence of one FDD.
If the CMOS RAM fails checksum or a power lost on CMOS battery is detected
during boot, an appropriate error message will be displayed:
Establishing default CMOS configuration
Run SETUP to change configuration
The system BIOS must automatically load default values defined in the setup
menu during POST when encounter these problems. The user must not be
required to take any action to continue the rest of POST (or entering SETUP).
9.3 System Management BIOS (SM BIOS) version 2.4 (DMI 2.0)
Limited DMI 2.0 BIOS information are provided:
BIOS version number is type 0 data item.
Type 1:
• System serial number - 64 alphanumeric characters with 12-character bundle
number
• System manufacturer name - 16 alphanumeric characters
• System product name - 32 alphanumeric characters
2-12
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