Put an SD card into an SD card reader connected to your computer. The time to update will vary based on the speed of your SD card, but even a slow card should do it in under 2 minutes.

updating rom-16

Flash update file to update the HP 49g 's ROM to version B-2.01-2, build 80. Adds the equation library, much better support for the full 80-line screen, support for FAT32-formatted SD cards, a completely rewritten keyboard handler to reduce the number of missed keystrokes, and many bugfixes.

Flash update file to update the HP 49g 's ROM to version B-2.05-4, build 88.

Select the USB drive, and then the file located inside it. Make sure you are using the latest stable BIOS, none of those beta ones.

You should also back up all RAM (HOME, port 0, and port 1), and it is probably a good idea to back up port 2 (the flash memory) as well.

You Asus PK board comes with a Asus update program that allows you to update BIOS in Windows.

Download the latest Asus update program from their website (the one in your setup cd can be outdated), run it, click the update from file and select the file from the popup screeb. When you download the files, which usually comes ZIP'ed, you can unzip and update through the Asus Update Utility.

Now remove the card from the computer and insert it into your calculator. In order to update your 49G's ROM, you need the HP Graphing Calculator PC Connectivity Kit 3.0, also known as HPComm 3.0. You may download the ROM update at the bottom of this page.

Hold down the (plus) and - (minus) keys simultaneously, and insert a paperclip into the reset hole on the bottom of the calculator. If you are unsure of your ROM version, type VERSION and press [ENTER].

Flash update file to update the HP 49G's ROM to the unsupported beta version B-1.19-6.

This beta ROM is not supported by HP and is to be used AT YOUR OWN RISK. The above installation directions are not valid with this ROM, so please read the included 49before installing because you will need to back up the 64KB bank of flash memory.

Flash update file to update the HP 49g 's ROM to version C-2.00, build 50. Adds the equation library, much better support for the full 80-line screen, support for FAT32-formatted SD cards, a completely rewritten keyboard handler to reduce the number of missed keystrokes, and many bugfixes.