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toh:pcengines:apu-bios-update [2021/09/10 18:35] – created bobafetthotmailtoh:pcengines:apu-bios-update [2021/09/11 11:02] – added info box and re-arranged first connection steps bobafetthotmail
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 ====== BIOS Update instructions of PC Engines APU1, APU2 and APU3 ====== ====== BIOS Update instructions of PC Engines APU1, APU2 and APU3 ======
 +
 +<WRAP center round info 80%>
 +**This tutorial does not require serial access to the device.**\\
 +As long as you have a PC and an ethernet port (or a USB-Ethernet adapter) on your PC you can follow the instructions in this article.
 +</WRAP>
 +
  
 PC Engines APUs are similar x86-64 devices and their bios upgrade procedure is exactly the same. The only difference is the bios file you download from https://pcengines.github.io/ so be VERY SURE you are downloading the BIOS for the right APU device. PC Engines APUs are similar x86-64 devices and their bios upgrade procedure is exactly the same. The only difference is the bios file you download from https://pcengines.github.io/ so be VERY SURE you are downloading the BIOS for the right APU device.
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 ===== Prepare the device and connect to the internet ===== ===== Prepare the device and connect to the internet =====
- +  
-  * Connect a cable from the WAN port (the ethernet port closest to the Serial port) to the LAN port of your current router.   +  * Connect a second cable from one of the two ports near to the USB ports (LAN) to your PC, disconnect your PC from any other wifi or internet connections.  
-  * Connect a second cable from one of the other two ports (LAN) to your PC, disconnect your PC from any wifi or internet connections. It should reach the internet through the APU device now.+  * Connect the WAN port of the APU to the cable/DSL modem, disconnecting the router. It should reach the internet through the APU device now. This process will take only a few minutes.
  
 <WRAP center round important 95%> <WRAP center round important 95%>
-If your current main router also has an IP in the same 192.168.1.x network, please change the IP of the APU from the Network --> Interfaces and click on Edit button of the LAN interface. Then change the IP, click Save, then click on the small arrow on the right side of the "Save and Apply" button, and select "Apply Unchecked", the button changes to red and becomes "Apply Unchecked", click on it and confirm the action. After it has started doing it, pull the LAN eternet cable from the PC, wait 10 seconds, connect it again and go to the new address you set.+If your current network setup does not allow you to just disconnect the router and connect to a modem over the ethernet port, please check if your current main router also has an IP in the same 192.168.1.x network.\\  
 +If that is the case, change the IP of the LAN interface of the APU device from its own Luci web interface at 192.168.1.1, click on **Network** --> **Interfaces** and click on **Edit** button of the LAN interface. Then change the IP, click **Save**, then click on the small arrow on the right side of the "**Save and Apply**" button, and select "**Apply Unchecked**", the button changes to red and becomes "**Apply Unchecked**", click on it and confirm the action. After it has started doing it, pull the LAN eternet cable from the PC, wait 10 seconds, connect it again and go to the new address you set.\\
  
-Another option is just connecting the WAN port of the APU to the cable modem, disconnecting the router. This process will take only a few minutes.+Now you can connect a cable from the WAN port on the APU device (the ethernet port closest to the Serial port) to a LAN port of your current router. It should reach the internet through the APU device now.
 </WRAP> </WRAP>
  
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 </code> </code>
  
-==== Examples of Kernel Log output showing "before and after" firmware versions ====+===== Example of post-update dmidecode output ===== 
 +<code> 
 +root@OpenWrt:/# dmidecode 
 +# dmidecode 3.2 
 +Getting SMBIOS data from sysfs. 
 +SMBIOS 3.0 present. 
 +13 structures occupying 554 bytes. 
 +Table at 0x7EE85040. 
 + 
 +Handle 0x0000, DMI type 0, 26 bytes 
 +BIOS Information 
 + Vendor: coreboot 
 + Version: v4.14.0.3 
 + Release Date: 08/10/2021 
 + ROM Size: 8192 kB 
 + Characteristics: 
 + PCI is supported 
 + PC Card (PCMCIA) is supported 
 + BIOS is upgradeable 
 + Selectable boot is supported 
 + ACPI is supported 
 + Targeted content distribution is supported 
 + BIOS Revision: 4.13 
 + Firmware Revision: 0.0 
 + 
 +Handle 0x0001, DMI type 1, 27 bytes 
 +System Information 
 + Manufacturer: PC Engines 
 + Product Name: apu2 
 + Version: 1.0 
 + Serial Number: 1159568 
 + UUID: Not Settable 
 + Wake-up Type: Reserved 
 + SKU Number: 2 GB 
 + Family: Not Specified 
 + 
 +Handle 0x0002, DMI type 2, 14 bytes 
 +Base Board Information 
 + Manufacturer: PC Engines 
 + Product Name: apu2 
 + Version: 1.0 
 + Serial Number: 1159568 
 + Asset Tag: Not Specified 
 + Features: None 
 + Location In Chassis: Not Specified 
 + Chassis Handle: 0x0003 
 + Type: Motherboard 
 + 
 +Handle 0x0003, DMI type 3, 22 bytes 
 +Chassis Information 
 + Manufacturer: PC Engines 
 + Type: Desktop 
 + Lock: Not Present 
 + Version: Not Specified 
 + Serial Number: Not Specified 
 + Asset Tag: Not Specified 
 + Boot-up State: Safe 
 + Power Supply State: Safe 
 + Thermal State: Safe 
 + Security Status: None 
 + OEM Information: 0x00000000 
 + Height: Unspecified 
 + Number Of Power Cords: 1 
 + Contained Elements: 0 
 + SKU Number: Not Specified 
 + 
 +Handle 0x0004, DMI type 4, 48 bytes 
 +Processor Information 
 + Socket Designation: CPU0 
 + Type: Central Processor 
 + Family: Pentium Pro 
 + Manufacturer: AuthenticAMD 
 + ID: 01 0F 73 00 FF FB 8B 17 
 + Signature: Type 0, Family 22, Model 48, Stepping 1 
 + Flags: 
 + FPU (Floating-point unit on-chip) 
 + VME (Virtual mode extension) 
 + DE (Debugging extension) 
 + PSE (Page size extension) 
 + TSC (Time stamp counter) 
 + MSR (Model specific registers) 
 + PAE (Physical address extension) 
 + MCE (Machine check exception) 
 + CX8 (CMPXCHG8 instruction supported) 
 + APIC (On-chip APIC hardware supported) 
 + SEP (Fast system call) 
 + MTRR (Memory type range registers) 
 + PGE (Page global enable) 
 + MCA (Machine check architecture) 
 + CMOV (Conditional move instruction supported) 
 + PAT (Page attribute table) 
 + PSE-36 (36-bit page size extension) 
 + CLFSH (CLFLUSH instruction supported) 
 + MMX (MMX technology supported) 
 + FXSR (FXSAVE and FXSTOR instructions supported) 
 + SSE (Streaming SIMD extensions) 
 + SSE2 (Streaming SIMD extensions 2) 
 + HTT (Multi-threading) 
 + Version: AMD GX-412TC SOC                                
 + Voltage: Unknown 
 + External Clock: Unknown 
 + Max Speed: Unknown 
 + Current Speed: Unknown 
 + Status: Populated, Enabled 
 + Upgrade: Unknown 
 + L1 Cache Handle: 0x0006 
 + L2 Cache Handle: 0x0007 
 + L3 Cache Handle: Not Provided 
 + Serial Number: Not Specified 
 + Asset Tag: Not Specified 
 + Part Number: Not Specified 
 + Characteristics: 
 + Hardware Thread 
 + Execute Protection 
 + 
 +Handle 0x0005, DMI type 7, 27 bytes 
 +Cache Information 
 + Socket Designation: CACHE1 
 + Configuration: Enabled, Not Socketed, Level 1 
 + Operational Mode: Unknown 
 + Location: Internal 
 + Installed Size: 0 kB 
 + Maximum Size: 0 kB 
 + Supported SRAM Types: 
 + Unknown 
 + Installed SRAM Type: Unknown 
 + Speed: Unknown 
 + Error Correction Type: Unknown 
 + System Type: Data 
 + Associativity: 8-way Set-associative 
 + 
 +Handle 0x0006, DMI type 7, 27 bytes 
 +Cache Information 
 + Socket Designation: CACHE1 
 + Configuration: Enabled, Not Socketed, Level 1 
 + Operational Mode: Unknown 
 + Location: Internal 
 + Installed Size: 0 kB 
 + Maximum Size: 0 kB 
 + Supported SRAM Types: 
 + Unknown 
 + Installed SRAM Type: Unknown 
 + Speed: Unknown 
 + Error Correction Type: Unknown 
 + System Type: Instruction 
 + Associativity: 2-way Set-associative 
 + 
 +Handle 0x0007, DMI type 7, 27 bytes 
 +Cache Information 
 + Socket Designation: CACHE2 
 + Configuration: Enabled, Not Socketed, Level 2 
 + Operational Mode: Unknown 
 + Location: Internal 
 + Installed Size: 2048 kB 
 + Maximum Size: 2048 kB 
 + Supported SRAM Types: 
 + Unknown 
 + Installed SRAM Type: Unknown 
 + Speed: Unknown 
 + Error Correction Type: Unknown 
 + System Type: Unified 
 + Associativity: 16-way Set-associative 
 + 
 +Handle 0x0008, DMI type 32, 11 bytes 
 +System Boot Information 
 + Status: No errors detected 
 + 
 +Handle 0x0009, DMI type 16, 23 bytes 
 +Physical Memory Array 
 + Location: System Board Or Motherboard 
 + Use: System Memory 
 + Error Correction Type: None 
 + Maximum Capacity: 2 GB 
 + Error Information Handle: Not Provided 
 + Number Of Devices: 1 
 + 
 +Handle 0x000A, DMI type 17, 40 bytes 
 +Memory Device 
 + Array Handle: 0x0009 
 + Error Information Handle: Not Provided 
 + Total Width: 64 bits 
 + Data Width: 64 bits 
 + Size: 2048 MB 
 + Form Factor: SODIMM 
 + Set: None 
 + Locator: DIMM 0 
 + Bank Locator: CHANNEL A 
 + Type: DDR3 
 + Type Detail: Synchronous Unbuffered (Unregistered) 
 + Speed: 1333 MT/s 
 + Manufacturer: Not Specified 
 + Serial Number: 00000000 
 + Asset Tag: Not Specified 
 + Part Number: Not Specified 
 + Rank: 1 
 + Configured Memory Speed: 1333 MT/s 
 + Minimum Voltage: 1.5 V 
 + Maximum Voltage: 1.5 V 
 + Configured Voltage: Unknown 
 + 
 +Handle 0x000B, DMI type 41, 11 bytes 
 +Onboard Device 
 + Reference Designation: SATA controller 
 + Type: SATA Controller 
 + Status: Enabled 
 + Type Instance: 0 
 + Bus Address: 0000:00:11.0 
 + 
 +Handle 0x000C, DMI type 127, 4 bytes 
 +End Of Table 
 +</code> 
 + 
 +===== Examples of Kernel Log output showing "before and after" firmware versions =====
  
 Before update Before update
  • Last modified: 2022/03/22 11:10
  • by tmomas