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Create r47 update guide.md
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tomxp411 authored Mar 30, 2024
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# R47 Update Guide

## Acquiring

Start by obtaining all the update materials. You will need the ROM image, the
SMC firmware, the VERA bitstream.

* ROM: https://github.com/X16Community/x16-rom/releases/tag/r47
* Download `x16-rom-R47.zip`
* SMC: https://github.com/X16Community/x16-smc/releases
* Download `SMC-47.0.0.BIN`
* VERA: https://github.com/X16Community/vera-module/releases/tag/v47.0.2
* Download `FLASHVERA.PRG` and `VERA_47.0.2.BIN`

You will also need Sven's X16 updater. This should have shipped on your SD card,
or you can download the current version from [here](https://github.com/FlightControl-User/x16-flash/releases/tag/r3.0.0)

* Download CX16-UPDATE-R3.0.0.PRG

## Installing

1. Power off the X16.
2. Remove your SD card from the X16 and insert it in the SD card slot of a PC or
Mac.
3. Create a new directory on your SD Card named UPDATE (all caps) and copy all
of the files into that directory.
4. Rename the SMC file to `SMC.BIN`
5. Rename the VERA file to `VERA.BIN`
6. Rename the update program to `UPDATE.PRG`
7. Safely eject the card from your computer and re-install it in the X16.

## Updating

1. Look for the **J1** Write Protect jumper on your motherboard. The jumper cap
must be _installed_ to enable writing to the system flash ROMs.
* This may be labeled "Remove J1 to write protect system ROM".
2. Start your X16 and type `DOS"CD:/UPDATE"` and press RETURN
3. type `LOAD UPDATE.PRG` and press RETURN
4. Type `RUN` and press RETURN
5. You'll get some warning screens about compatibility. These are normal.
6. The ROM will update first. Once that's done, you'll be told to close the JP1
pin on VERA. Don't actually close the pin until after the program has read
VERA.BIN (the bottom portion of the screen will be filled with dots) and the
middle portion says `CLOSE the JP1 jumper header on the VERA board!`
7. Place the jumper cap on JP1 on the VERA board and press the SPACE bar.
* This disables the SD card, so you'll need to remove the cap once the
VERA flash is complete.
8. The next step will be to update the SMC. When the program asks, hold the
power button down and tap the RESET button. You must do so before the timer
runs out.
9. You will then see the same SMC update progress.
10. If the SMC was updated, the power button on the front panel won't actually
turn off the computer, because the SMC runs on the +5V Standby rail. So you
need to remove the power cord from your X16 to fully power it off, then plug
it back in.
11. After restarting your X16, confirm the version of the ROM, VERA, and SMC
firmware by typing `HELP` and pressing RETURN.
* After the full R47 release, the version numbers will be:
* COMMANDER X16 ROM RELEASE R47
* VERA: V47.0.2
* SMC: 47.0.0
12. At this point, if you have purchased a 65C816 processor, you can power the
system down (unplug it) and install the new CPU.

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