Revision History

Firmware

1.5417 — 2024-05-08
Bug fixes
1.5412 — 2022-05-02
Support for Ndigo5G-S board variant
1.4937 — 2019-04-01
TiGer added
1.4865 — 2015-07-28
Internal optimizations
1.4824 — 2015-02-27
Fixed intel PCIe link training issues

Driver and Applications

1.6.1 — 2026-09-14
Enhanced IOMMU compatibility: The kernel-mode driver now enables full DMA support, ensuring seamless operation when IOMMU is active
Updated docstrings in interface files
1.5.12 — 2024-06-27
Revert HPTDC8-PCI support to v3.9.5 on crono_tools
1.5.8 — 2023-10-25
Added new crono_pcie_info structure with PCIe error flags
1.5.4 — 2023-09-09
Fixed TDC calibration
1.5.3 — 2023-08-30
Hardware Revision 5+ Support
Added new fields to static info
1.4.4 — 2022-05-12
Fixed broken backup in firmware tool and display errors in NdigoScope
1.4.3 — 2019-10-21
Fixed a card initialization error in x64 32 mode
1.4.0 — 2019-06-04
Added Windows 10 support
1.3.0 — 2017-06-08
NdigoScope application now supports Ndigo250M-14

User Guide

2.0.0 — 2026-09-14
Added HTML version of user guide
Updated driver revision list
1.3.7 — 2026-08-26
Documented thermal baseline drift after initialization
1.3.5 — 2026-04-15
Updated Driver Revision list
1.3.4 — 2025-11-04
Documented multishot mode in API
Added Table 2.1
1.3.3 — 2025-10-17
Minor improvements and corrections
1.3.2 — 2024-12-10
Updated firmware revision list
1.3.1 — 2024-10-31
Expanded installation instructions
Updated Erratum
1.3.0 — 2024-10-01
Added section “Memory Management”
Renamed DMA buffer to host buffer
Updated Figure 2.21
Added defaults to API
Updated Export Control
Added guaranteed cutoff frequencies
1.2.5 — 2024-06-27
Added Ndigo Crate as a possible solution to the PCIe 5.0 bug
Updated Driver Revisions
1.2.4 — 2024-06-12
Fixed documentation for Auto Trigger Function Generator
Updated Export Control
Updated Technical Data
Updated Feature List
Updated C Example
Documented known bug related to PCIe 5.0
1.2.3 — 2024-03-22
Adjusted styling
1.2.2 — 2022-11-04
Documented bug: Ndigo5G does not work in Thunderbolt enclosures
Reduced temperature range
Improved ADC characteristics due to tighter production tests
Added dual use disclaimer
Clarified _pe positive edge triggers
Corrected polarity for dc_offset
Corrected extension card clock from 39 MHz to 39.0625 MHz
Analog Bandwidth clarifications and corrections
1.2.1 — 2020-09-20
Cosmetic changes
1.1.3 — 2020-11-27
Dual-Use information

1.1.2 — 2019-10-27

1.1.0 — 2019-08-27
API clarifications