I’ve just soldered up the second G400S I have and it too shows NO RAM when I try to upload the bootloader. There is no response from USB unless I put it into SAMBA mode. Run SAMBA 2.18 GUI it reports no ram too.
Please enter the number part of the COM port of the G400.
For example: enter only the number 10 for COM10.
COM Port Number: 6
Updating...
-I- Waiting ...
-I- TCL platform : Windows NT
-I- SAM-BA 2.18 on : windows
-I- current connection is \USBserial\COM6, \\USBserial\\COM6 to be matched
-I- Retrieved arguments from command line :
-I- argv 0 : \USBserial\COM6
-I- argv 1 : at91sam9g15-ek
-I- argv 2 : Bootloader.tcl
-I- Connection \USBserial\COM6
-I- Connection : \USBserial\COM6 (target(comType) = 0)
-I- Board : at91sam9g15-ek
-I- Traces Level : 4
-I- target(handle) : 110798288
-I- sourcing board description file C:/Program Files (x86)/Atmel/sam-ba_2.18/sam-ba.exe/../tcl_lib/at91sam9g15-ek/at91sam9g15-ek.tcl
Read device Chip ID at 0xFFFFF240 --- get 0x819a05a1
-I- Found chip : at91sam9x25 (Chip ID : 0x819a05a1)
-I- Loading applet applet-lowlevelinit-sam9g15.bin at address 0x300000
-I- Memory Size : 0x0 bytes
-I- Buffer address : 0x4
-I- Buffer size: 0x0 bytes
-I- Applet initialization done
-I- Low level initialized
-I- External RAM Settings : extRamVdd=0, extRamType=1, extRamDataBusWidth=32, extDDRamModel=0
-I- External RAM Settings : extRamVdd=0, extRamType=1, extRamDataBusWidth=32, extDDRamModel=0
-I- Loading applet applet-extram-sam9g15.bin at address 0x300000
-E- Error during external RAM initialization.
-E- External RAM access is required to run applets.
-E- Connection abort
You can find the above log at C:\Users\DAVEMC~1\AppData\Local\Temp\GHI Electronics G400 Bootloader Update Log-8169-40.43.txt.
Press any key to continue . . .