Buy it on our shop: Buy PCIe Screamer Online

• XC7A35T Xilinx 7 Series FPGA
• FT601 FTDI USB 3.0
• MT41K256 4Gb DDR3 DRAM
• PCIe Gen2 X1

CN5 jumper selects the power source.

• Power Jack (5 to 15 V): Tie middle and right pins.
• PCIe Power: Tie middle and left pins.

SW2 selects the FPGA bootmode. Set it to Master SPI:

• 1: ON
• 2: OFF
• 3: OFF

• LD1: User Led (Green)
• LD2: User Led (Green)
• LD3: FPGA Prog Done (Green)

• LD4: Power Good (Red)

• SW1: FPGA Program
• SW3: User Button
• SW4: User Button

Get the PCILeech gateware & software as explained in:

• https://github.com/ufrisk/pcileech
• https://github.com/ufrisk/pcileech-fpga/tree/master/pciescreamer

As an alternative you can use the PCIe Injector gateware:

• https://github.com/enjoy-digital/pcie_injector

PCIeInjector precompiled versions:

• Flash image: pcie_screamer_top.bin

Refer to the SPI Flash Programming section of JTAG+Serial Programmer for detailed instructions.

In short:

1. Get the latest version of openocd from:

• https://github.com/ntfreak/openocd

2. Get the proxy bitstream “bscan_spi_xc7a35t.bit” from:

• https://github.com/jordens/bscan_spi_bitstreams

3. Programm the SPI Flash using this configuration file:

flash_screamer.cfg

interface ftdi
ftdi_vid_pid 0x0403 0x6011
ftdi_channel 0
ftdi_layout_init 0x0098 0x008b
reset_config none
 
source [find cpld/xilinx-xc7.cfg]
source [find cpld/jtagspi.cfg]
adapter_khz 10000
 
proc fpga_program {} {
    global _CHIPNAME
    xc7_program $_CHIPNAME.tap
}
 
init
jtagspi_init 0 bscan_spi_xc7a35t.bit
jtagspi_program pcileech_top.bin 0x0
fpga_program
shutdown

openocd -f flash_screamer.cfg