Skip to main content Skip to search Skip to main navigation

Discs of Tron Arcade PCB Upgrade Compatibility for Original Bally Midway Hardware

Confirm whether your original Bally Midway Discs of Tron arcade PCB is compatible with the HighScoreSaves Discs of Tron Free Play and High Score Save Kit. The daughter-card installation uses the Z80 processor location on the Super CPU PCB while keeping the original Discs of Tron board stack and arcade hardware in service.

Before You Order
Hardware: Documented compatible original Bally Midway Discs of Tron arcade PCB with the correct Super CPU PCB
Processor: A compatible Z80 processor is required; transfer the original socketed Z80 or select a compatible Z80 when ordering
Installation: The daughter card installs at the Z80 location on the Super CPU PCB; a soldered Z80 must be removed and a compatible 40-pin socket installed first
Discs of Tron Free Play and High Score Save Kit

Average rating of 5 out of 5 stars

Discs of Tron Free Play and High Score Save Kit

Regular price: From $90.00

Choosing the Correct Discs of Tron Arcade PCB Upgrade

A Discs of Tron cabinet, control panel, artwork, or game screen does not by itself confirm compatibility. Vintage arcade machines may have been repaired, converted, or fitted with replacement hardware, so the actual arcade PCB should be identified before ordering an upgrade.

The HighScoreSaves Discs of Tron Free Play and High Score Save Kit is intended for documented compatible original Bally Midway Discs of Tron arcade hardware. Installation takes place at the Z80 processor location on the Super CPU PCB and keeps the original Discs of Tron board stack in service.

Original Bally Midway Discs of Tron PCB Compatibility

Original Discs of Tron Hardware The upgrade is designed for documented compatible original Bally Midway Discs of Tron arcade PCBs. The current installation guide specifically states that the kit will only work on a Discs of Tron PCB.
Super CPU PCB Installation is performed on the Super CPU PCB in the Discs of Tron board stack. The current installation guide identifies the Z80 processor on this board as the installation location.
Z80 Processor Required A compatible Z80 processor is required. The original socketed Z80 can be transferred to the HighScoreSaves daughter card, or a compatible Z80 can be selected when ordering.

How the Discs of Tron Z80 Daughter-Card Installation Works

The installation guide directs the installer to locate the Z80 processor on the Super CPU PCB. No modification to the other PCBs in the Discs of Tron board stack is required for the basic daughter-card installation.

The original Z80 is removed from its socket and installed on the HighScoreSaves daughter card. Pin 1 of the Z80 must match the documented Pin 1 orientation on the save kit. The completed daughter-card assembly is then installed into the original Z80 socket on the Super CPU PCB.

If the Z80 is soldered directly to the PCB instead of being socketed, it must be properly removed and a compatible 40-pin DIP socket installed before the HighScoreSaves kit can be fitted.

Discs of Tron Pre-Order Compatibility Checklist

1. Identify the Original PCB Confirm that the machine contains documented compatible original Bally Midway Discs of Tron hardware rather than relying only on the cabinet, artwork, or game display.
2. Confirm the Game Board Works Verify that the original Discs of Tron board set is fully operational before installing the HighScoreSaves upgrade.
3. Locate the Super CPU PCB Identify the Super CPU PCB in the board stack and locate the documented Z80 processor position before removing any components.
4. Check the Z80 Socket Determine whether the Z80 is already installed in a compatible 40-pin socket. A soldered processor requires professional removal and socket installation first.
5. Review ROM Saver Requirements Remove only the original program ROMs specifically identified in the current installation documentation when using the optional ROM Saver feature.

After Confirming Discs of Tron PCB Compatibility

Once the original Bally Midway hardware, Super CPU PCB, Z80 processor location, and socket requirements have been confirmed, use the individual product page for the current kit features, Standard and Wi-Fi version choices, included components, pricing, and ordering options.

This category is intended primarily to help determine whether the original arcade hardware is suitable for the HighScoreSaves Discs of Tron Free Play and High Score Save Kit before an order is placed.

Discs of Tron PCB Compatibility FAQ

Which Discs of Tron arcade PCB does the kit support?

The upgrade is intended for documented compatible original Bally Midway Discs of Tron arcade hardware. The current installation guide states that the kit will only work on a Discs of Tron PCB.

Which PCB in the Discs of Tron board stack is modified?

The daughter-card installation takes place at the Z80 processor position on the Super CPU PCB. The installation guide states that the other PCBs in the stack do not need to be modified for this installation.

Can I reuse the original Z80?

Yes. A compatible original socketed Z80 can be removed from the Super CPU PCB and installed on the HighScoreSaves daughter card. A compatible replacement Z80 can also be selected when ordering.

Does installation require soldering?

No soldering is required when the documented Z80 processor location already has a compatible 40-pin socket. If the Z80 is soldered directly to the PCB, a qualified arcade technician must remove it and install a compatible socket first.

Helpful Discs of Tron Hardware & Compatibility Resources