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Probook 450 G2 - BIOS unlock RAID option
#1
Hello,
I have a HP Probook 450 G2 on which I'm trying to add 32GB m.2 ssd as a hdd cache using intel rapid storage / intel smart response. In order to activate hdd cache sata mode needs to be changed in bios from AHCI to RAID before caching option becomes available in Intel Rapid Storage Application. My problem is that the only option available in bios is AHCI (no IDE or RAID listed there).
It is possible to modify bios to make RAID option available in BIOS?
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System Info:
System Manufacturer Hewlett-Packard 
System Model HP ProBook 450 G2 
System Type x64-based PC 
System SKU J4S91EA#ABB 
Processor Intel® Core™ i5-4210U CPU @ 1.70GHz, 2401 Mhz, 2 Core(s), 4 Logical Processor(s) 
BIOS Version/Date Hewlett-Packard M74 Ver. 01.49, 7/30/2018 
SMBIOS Version 2.7 
Embedded Controller Version 103.37 
BIOS Mode UEFI 
BaseBoard Manufacturer Hewlett-Packard 
BaseBoard Model Not Available 
BaseBoard Name Base Board 
Platform Role Mobile 
Secure Boot State Off 

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Using UefiTool and Universal IFR Extractor I have decoded the PlatformSetup and I found:
0x14041 Grayout If: {19 82}
0x14043 Variable 0x93 equals 0x1 {12 86 93 00 01 00}
0x14049 Variable 0x4F equals 0x0 {12 06 4F 00 00 00}
0x1404F And {15 02}
0x14051 End {29 02}
0x14053 Suppress If: {0A 82}
0x14055 Variable 0xC0 equals 0x0 {12 86 C0 00 00 00}
0x1405B Variable 0x93 equals 0x3 {12 06 93 00 03 00}
0x14061 Variable 0x4F equals 0x0 {12 06 4F 00 00 00}
0x14067 And {15 02}
0x14069 Or {16 02}
0x1406B End {29 02}
0x1406D Setting: SATA Device Mode, Variable: 0x9 {05 A6 D3 00 0A 00 01 A0 00 10 09 00 04 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
0x14093 Option: AHCI, Value: 0x1 (default) {09 0E D4 00 10 00 01 00 00 00 00 00 00 00}
0x140A1 Option: RAID, Value: 0x2 {09 0E D6 00 00 00 02 00 00 00 00 00 00 00}
0x140AF End of Options {29 02}
0x140B1 End If {29 02}
0x140B3 End If {29 02}
0x140B5 Grayout If: {19 82}
0x140B7 Variable 0x93 equals 0x1 {12 86 93 00 01 00}
0x140BD Variable 0x4F equals 0x0 {12 06 4F 00 00 00}
0x140C3 And {15 02}
0x140C5 End {29 02}
0x140C7 Suppress If: {0A 82}
0x140C9 Variable 0x93 equals 0x3 {12 86 93 00 03 00}
0x140CF Variable 0x4F equals 0x0 {12 06 4F 00 00 00}
0x140D5 And {15 02}
0x140D7 Variable 0xC0 equals 0x1 {12 06 C0 00 01 00}
0x140DD Or {16 02}
0x140DF End {29 02}
0x140E1 Setting: SATA Device Mode, Variable: 0x9 {05 A6 D3 00 0A 00 25 00 00 10 09 00 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
0x14107 Option: AHCI, Value: 0x1 (default) {09 0E D4 00 10 00 01 00 00 00 00 00 00 00}
0x14115 End of Options {29 02}
0x14117 End If {29 02}
0x14119 End If {29 02}

so RAID option is suppressed in bios.

Any hint on how to enable this option and how to flash back the modified bios will be very appreciated (I work in IT field but I have no experience with modifying bios.). 

Link to the bios:ftp://ftp.hp.com/pub/softpaq/sp91001-91500/sp91475.exe
I also have attached an RWeverything acpi tables report for my system.


Thanks.


Attached Files
.zip   AcpiTbls.zip (Size: 238.49 KB / Downloads: 0)
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#2
Hi,
Any hint? Even if it is/not possible to reflash a modified bios?

Regards.
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