Applicable Models: Portege 4000, 4005
Version 2.10 01-13-2004
o Added support for USB device drivers for Windows XP.
o CHGBIOSA.exe was updated so BIOS can be successfully updated from a USB FDD.
o CHGFIRM.exe was updated so EC/KBC can be successfully updated from a USB FDD.
Version 2.00 07-23-2002
o A process to show the cooling module error message was changed.
o A change was made to support the TEAC FDD (P0003486790/G8AC00004110).
o Corrected a problem where the system would hang when you press the Escape key immediately after turning the system on.
Version 1.90 05-21-2002
o Corrected a problem where the Wireless LAN did not work due to an incorrect default setting.
o Corrected a problem with low performance under Windows XP where the secondary IDE transfer mode changes from Ultra DMA to Multi-Word DMA after going into standby/resume.
o A change was made to correct a possible W2K problem where, if the unit of the battery information is set to mA, running certain software may cause 100% CPU utilization.
o Corrected a problem where a system with Samsung memory (C-die) doesn't boot.
Version 1.80 03-25-2002
o Corrected a problem where after removing the AC adapter and the battery under standby mode and leaving the system for awhile, when reinstalling the AC adapter and battery and trying to resume, the system may hang. At this point the system may not boot even after powering the system off and on repeatedly.
Version 1.70 01-18-2002
o A change was made to have better memory related timing margin.
o A change was made to support a memory module with a 7.6 micro second refresh rate.
o Reduced the number of retrys for Geyserville switch processing.
o A change was made so that the ClockRun function is always enabled.
o A change was made to correct a problem where the system hangs after waking up from S3, S4 and S5 immediately.
o Wake up process by pressing the Intouch button was reviewed.
o A change was made to eliminate the possibility that a system with a USB device connected cannot return from S4BIOS.
o A change was made to correct a problem that the Master HDD password cannot be canceled automatically when the system is booting.
o A change was made to correct a problem that the setting values for North Bridge at a boot process and at a reboot process differ.
o A change was made to correect a problem that the memory related signals become intermediate electric potential when going into S3 state.
o A change was made to support Elpida memory.
Version 1.50 12-03-2001
o Corrected a problem where an IPS initialization failure during a cold boot may lead to a problem that the IPS isn't IntelliMouse compatible.
Version 1.40 10-23-2001
o The boot time of Windows 98 was too slow. This was resolved by changing the order of assigning FIR resources.
o A change was made to support Windows XP.
o A workaround was provided to bypass a problem where the sound may be interrupted or the modem may be disconnected during FIR data transfer.
o A workaround was provided to bypass a problem where the system may hang if FIR and sound are activated during CPU throttling.
o A workaround was provided to bypass a problem where the writing of data to a Melco made IEEE 1394 HDD takes too long.
o A change was made to correct a screen noise problem with high resolution dual display mode. (LCD / CRT).
o A change was made to correct a problem where too much power was consumed if the system was changed to the S5 state in the condition that WOL was authorized.
o Corrected a problem where, if a card such as an ATA card is used for a system under Win2k / XP, blue screen problems and NMI: channel check / IOCHK may occur.
o An error in the IRQ routing table for the SD card controller was corrected.
o An incorrect DLIB value to IEEE1394 reported by VALG was corrected.
o A change was made to correct a problem where if Suspend / Resume was performed under ACPI OS, the CPU cache types of C0000h-CFFFFh would not be returned.
o A change was made to correct a problem that total number of DMI structures was not reported properly in the PNP function 50h.
Version 1.30 09-17-2001
o Initial Production BIOS for Portege 4000