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Greetings,
-Motherboard Manufacturer and Model : Compaq CQ41
-Bios Revision : F.0C, 1409/140A
-Bios Type : Insyde
-Bios Link : ftp://ftp.hp.com/pub/softpaq/sp48001-48500/sp48237.exe
enabling dormant switchable graphics
The CQ41 has switchable graphics and an extra multibay sata port as shown by the schematic. I've investigate enabling the switchable graphics here but not found a solution as yet.
The DSDT table does include a switchable graphics section if the IGP 0:2.0 is enabled. Enabling it after bios bootup with 'setpci -s 0:0.0 54.l=8:8' enables the IGP but can't configure it since the chipset locks those bits out. Even if I could it would be somewhat pointless. The device enable pins are used to switch the LVDS mux. Disabling the primary video card might help there but Win7 doesn't allow the use of a secondary card without the primary bootup video card active. So can't do a manual workaround.
The more expensive dv4-2000 uses the same bios, but does enable switchable graphics. The decompressed bios also shows it uses the HD4550 vbios file (550/800) rather than the HD4350 vbios (450/800), so there must be some code somewhere that checks for the dv4-2000 systemboard and activates different stuff for it. Now if I can hijaak that code to do the same for the CQ41..
ez2ho has a iGPU/dGPU option. Selecting iGPU doesn't enable the IGP.
extra sata port
There is an extra multibay sata port that appears the dv4 connects it's optical drive to, so likely enables that port. On the CQ41 only sata ports0, 1 and 4 are enabled. 0 and 1 are presumably the HDD and optical drive connector, with 4 being the e-sata port. I'd like to enable the extra port (5 or 6)
Enabling it after bootup with command below again doesn't work.
setpci -s 0:1f.2 92.l=60:60
This doesn't work even if I try to disable the sata port (function disable register: RCBA+3418h), then write to it. Seems the bits are locked after they've been written to once after a reset.
I'd like to mod in an internal mPCIe sata SSD using the more convenient multibay pins rather than using the e-sata pins.
Any Insyde BIOS gurus out there that can point to how I can do, or unlock the equivalent PCI writes above in the BIOS?
nando
-Motherboard Manufacturer and Model : Compaq CQ41
-Bios Revision : F.0C, 1409/140A
-Bios Type : Insyde
-Bios Link : ftp://ftp.hp.com/pub/softpaq/sp48001-48500/sp48237.exe
enabling dormant switchable graphics
The CQ41 has switchable graphics and an extra multibay sata port as shown by the schematic. I've investigate enabling the switchable graphics here but not found a solution as yet.
The DSDT table does include a switchable graphics section if the IGP 0:2.0 is enabled. Enabling it after bios bootup with 'setpci -s 0:0.0 54.l=8:8' enables the IGP but can't configure it since the chipset locks those bits out. Even if I could it would be somewhat pointless. The device enable pins are used to switch the LVDS mux. Disabling the primary video card might help there but Win7 doesn't allow the use of a secondary card without the primary bootup video card active. So can't do a manual workaround.
The more expensive dv4-2000 uses the same bios, but does enable switchable graphics. The decompressed bios also shows it uses the HD4550 vbios file (550/800) rather than the HD4350 vbios (450/800), so there must be some code somewhere that checks for the dv4-2000 systemboard and activates different stuff for it. Now if I can hijaak that code to do the same for the CQ41..
ez2ho has a iGPU/dGPU option. Selecting iGPU doesn't enable the IGP.
extra sata port
There is an extra multibay sata port that appears the dv4 connects it's optical drive to, so likely enables that port. On the CQ41 only sata ports0, 1 and 4 are enabled. 0 and 1 are presumably the HDD and optical drive connector, with 4 being the e-sata port. I'd like to enable the extra port (5 or 6)
Enabling it after bootup with command below again doesn't work.
setpci -s 0:1f.2 92.l=60:60
This doesn't work even if I try to disable the sata port (function disable register: RCBA+3418h), then write to it. Seems the bits are locked after they've been written to once after a reset.
I'd like to mod in an internal mPCIe sata SSD using the more convenient multibay pins rather than using the e-sata pins.
Any Insyde BIOS gurus out there that can point to how I can do, or unlock the equivalent PCI writes above in the BIOS?
nando
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