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IT8212 External BIOS History

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IT8212 External BIOS History


Version

History

Date




1.   &nb 10110k1015k sp;   First release



1.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Set feature and get proper timing for all the storage devices on IT8212.

2.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Bug fix for Acer 40x CDROM.

3.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Bug fixed: INT13h can't be hooked on one Compaq PC.

4.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   If error bit still on after drive select, send command anyway.

5.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Add 4 seconds delay before first time access HDDs.



1.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Bug fixed: the drive letters of same channel's master and slave drives are exchanged.

2.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Return ax=110h instead of 100h when leaving BIOS initial routine.

3.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Modify cable type detection.

4.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Bug fixed: DMA transfer failure on certain main boards.



1.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Always boot from 8212 HDD when using Phoenix BIOS



1.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   No change



1.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Bug fixed: for Gigabyte VIA chipset MB, fail to boot from secondary HDD.

2.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Bug fixed: bootable CD cannot boot on some main boards and CD-ROMs.



1.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Shorten devices scan time.

2.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   Hard disks attached on IT8212 can be shown in system BIOS's hard disk boot priority list.



Bug fixed: returned wrong DPTE segment at offset 26.

Modify BCV Entries and EnableIRQ routine

Show bootable CDROM drive NO.

Fix some device not found



Bug fixed: force to mapping to 3000 but not setting ds

on-board IDE BIOS code 40:8e (hard disk interrupt control flag) IT8212 Interrupt DMA transfer



Can show CDROM model name on AMI BIOS boot priority.

fix the values of base class/subclass/program interface in PnP expansion header and PCI header

show all the CDROMs with bootable CDs in system BIOS's boot priority



Recalculate last PnP expansion header's check sum after clear BCV Entries.

PCI header image length update

delay for BENQ 652A and Plextor CD-ROM

shorten CDROM detect time without CD



1.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   &nb 10110k1015k sp;  Change CDROM detects using RequestSenseKey Func.

2.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   &nb 10110k1015k sp;  Fix LG CD/RW not found

3.   &nb 10110k1015k sp;   &nb 10110k1015k sp;   &nb 10110k1015k sp;  Turn the BEV on for support the AMI and AWARD BIOS boot priority issue.





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