public:calculator:info:dm15l_information
Table of Contents
DM15L Info
Purchase Information
- Date : September 2021
- From : Swiss Micros (direct)
- Price : £95
- Serial : 21350
- New Battery
- July 27th 2022
- July 26th 2024
Firmware
Swiss Micros Official
Serial USB Driver for Windows
Windows Firmware Upload Tool
| Date | Serial No. | Firmware | Version | Firmware Files | Comments |
|---|---|---|---|---|---|
| 24/05/22 | 21350 | DM15_M1B | V32 | dm15_m1b_32.zip | Extended User Registers |
| 22/11/23 | 21350 | DM15 | V32 | dm15_32.zip | Standard User Registers |
| 21/12/24 | 21350 | DM15_M1B | V33 | dm15_m1b_33.zip | New 2-line stack and other mods |
| ROM | Allocatable registers | RAM base addr. | Initial Memory Status |
|---|---|---|---|
| DM15 (Original ROM) | 64 | 0xc0 | 19 46 0-0 |
| DM15_M80 | 128 | 0x80 | 19 110 0-0 |
| DM15_M1B | 229 | 0x1b | 19 211 0-0 |
3rd Party Firmware
- From HP Forum https://www.hpmuseum.org/forum/thread-20046.html
| Date | Firmware | Version | Firmware File | Comments |
|---|---|---|---|---|
| 12/09/24 | LF15C | beta240911 | lf15c_beta240911.zip | initial public beta |
| 15/09/24 | LF15C | beta240914 | lf15c_beta240914.zip | |
| 17/09/24 | LF15C | beta240916 | lf15c_beta240916.zip | |
| 17/09/24 | LF15C | beta240916_2 | lf15c_beta240916_2.zip | |
| 21/09/24 | LF15C | beta240920 | lf15c_beta240920.zip | very fast benchmarking, roots of -ve numbers bug |
| 21/09/24 | LF15C | beta240921 | lf15c_beta240921.zip | Fix of “powers of negative numbers” bug, new 10^x bug |
| 23/09/24 | LF15C | beta240923 | lf15c_beta240923.zip | 10^x fix, other bug fixes |
| 25/09/24 | LF15C | beta240925 | lf15c_beta240925.zip | Bug fixes More new bugs |
| 28/09/24 | LF15C | beta240928 | lf15c_beta240928.zip | bug fixes |
| 30/09/24 | LF15C | beta240929 | lf15c_beta240929.zip | Bug Fixes etc. |
| 30/09/24 | LF15C | beta240929_2 | lf15c_beta240929_2.zip | RCL I Bug fix |
| 01/10/24 | LF15C | beta240930 | lf15c_beta240930.zip | Bug Fixes |
| 02/10/24 | LF15C | debug241001 | lf15c_debug_for_john241001.zip | version pre-loaded with my B.Fil prog for debug purposes |
| 02/10/24 | LF15C | beta241002 | lf15c_beta241002.zip | Bug Fix my B.Fil runs correctly. No known showstoppers left? |
| 03/10/24 | LF15C | beta241003 | lf15c_beta241003.zip | fPREFIX fix. Discovered inverse HYP SIN bug |
| 06/10/24 | LF15C | beta241005 | lf15c_beta241005.zip | fixes ,HYP ASIN bug still present |
| 07/10/24 | LF15C | beta241006 | lf15c_beta241006.zip | Bug fix and new runTime function |
| 08/10/24 | LF15C | beta241007 | lf15c_beta241007.zip | Bug Fixes |
| 10/10/24 | LF15C | beta241009 | lf15c_beta241009.zip | Bug Fixes |
| 12/10/24 | LF15C | beta241011 | lf15c_beta241011.zip | RND bug fix |
| 14/10/24 | LF15C | beta241014 | lf15c_beta241014.zip | |
| 20/10/24 | LF15C | beta241020 | lf15c_beta241020.zip | |
| 21/10/24 | LF15C | beta241021 | lf15c_beta241021.zip | |
| 22/10/24 | LF15C | beta241022 | lf15c_beta241022.zip | |
| 24/10/24 | LF15C | beta241024 | lf15c_beta241024.zip | |
| 31/10/24 | LF15C | beta241031 | lf15c_beta241031.zip | |
| 02/11/24 | LF15C | beta241102 | lf15c_beta241102.zip | |
| 10/12/24 | LF15C | beta241210_2 | lf15c_beta241210_2.zip | Integrate feature |
| 17/12/24 | LF15C | beta241217 | lf15c_beta241217.zip | Integrate improvements |
| 21/12/24 | LF15C | beta241221 | lf15c_beta241221.zip | Bug Fixes |
| 22/12/24 | LF15C | beta241222 | lf15c_beta241222.zip | Sin(180)=0 Fixed |
| 14/02/25 | LF15C | beta250123 | lf15c_beta250123.zip | Enter Key bug fixes |
| 15/02/25 | LF15C | beta250215 | lf15c_beta250215.zip | Better integration routine and bug fixes |
| 16/02/25 | LF15C | beta250216 | lf15c_beta250216.zip | Y↑X and TEST bug fixes |
| 17/02/25 | LF15C | beta250217b | lf15c_beta250217b.zip | Integration bug fix |
| 19/02/25 | LF15C | beta250218 | lf15c_beta250218.zip | Integration programability |
| 20/02/25 | LF15C | beta250220 | lf15c_beta250220.zip | Linear Regression bug fix |
| 21/02/25 | LF15C | beta250221 | lf15c_beta250221.zip | Complex/non-integer factorial |
| 25/02/25 | LF15C | beta250225 | lf15c_beta250225.zip | improved precision in x! function |
| 26/02/25 | LF15C | beta250226 | lf15c_beta250226.hex | f-PREFIX bug fix |
RTC Error
| Start | Stop | Accumulated Error (s) | Rate Error (s/d) | Comments |
|---|---|---|---|---|
| 27/1/22 | 24/5/22 | +1.9 | ||
| 15/04/23 | Time Reset (BST). New Period |
Swiss Micros Info
- Documentation : User Manual
- Product Page : DM15L
DM15L Memory Dumps and Program Listings
- See DM15L Progs
public/calculator/info/dm15l_information.txt · Last modified: 06/03/25 06:49 GMT by 127.0.0.1