How to Unlock Your Thinkpad with Pc8394t Programming Tools 1.0d 3
If you have forgotten your supervisor password or want to remove the TCPA security chip from your IBM/Lenovo Thinkpad laptop, you may need a special software tool to access the PC8394T-VJG chip that stores the password and TPM functions. One of these tools is Pc8394t Programming Tools 1.0d 3, developed by ALLservice, a company that specializes in laptop repair and unlocking services.
In this article, we will show you how to use Pc8394t Programming Tools 1.0d 3 to unlock your Thinkpad laptop in a few easy steps. But first, let's see what Pc8394t Programming Tools 1.0d 3 is and how it works.
What is Pc8394t Programming Tools 1.0d 3
Pc8394t Programming Tools 1.0d 3 is a software package that includes two programs: RPC8394 (reader) and WPC8394 (writer). These programs can read and write data from and to the PC8394T-VJG chip that controls the supervisor password and TPM functions on some Thinkpad models, such as T43/p, R52, R60,T60/p, X60/s, Z60 series, Z61 series[^1^].
The software works with a special hardware device called SPEG (Serial Flash Programmer), which connects to the laptop's parallel port and allows communication with the PC8394T-VJG chip. The SPEG device can also program other types of serial flash chips used for BIOS in various machines (PC, MAC, PDA, Playstation, etc)[^1^].
Pc8394t Programming Tools 1.0d 3 is not a freeware program. You need to purchase a license from ALLservice to use it. The license is per seat and needs registration[^1^]. You can also order additional services from ALLservice, such as CRC/RFID repair and TCPA unlock[^1^].
How to use Pc8394t Programming Tools 1.0d 3
Before you start using Pc8394t Programming Tools 1.0d 3, you need to prepare some things:
A Thinkpad laptop that uses PC8394T-VJG chip for supervisor password and TPM functions.
A SPEG device with a parallel port cable.
A license for Pc8394t Programming Tools 1.0d 3 from ALLservice.
A working Windows PC with a parallel port.
A backup of your laptop's BIOS data (optional but recommended).
Once you have everything ready, follow these steps:
Turn off your laptop and remove the battery and AC adapter.
Open the laptop's case and locate the PC8394T-VJG chip on the motherboard. It is usually near the memory slots or under the keyboard. You can find pictures of the chip location on different models on ALLservice's website[^1^].
Connect the SPEG device to the parallel port of your Windows PC and turn it on.
Run the RPC8394 program on your Windows PC and select the correct model of your laptop from the list.
Connect the SPEG device to the PC8394T-VJG chip using the supplied clips or wires. Make sure you connect them correctly according to the pinout diagram shown by the RPC8394 program.
Click on \"Read\" button on the RPC8394 program to read the data from the PC8394T-VJG chip. Save the data as a file on your Windows PC. This is your backup of your BIOS data.
Run the WPC8394 program on your Windows PC and select the correct model of your laptop from the list.
Open the file that contains your BIOS data backup with the WPC8394 program. ec8f644aee