Releases: eswincomputing/ebc7702-dev-board-ubuntu
Release list
2025.12.30
EBC77_Series_EBC7702_Mini-DTX_Mainboard R01A12 Release Notes
Included Versions
Versions:
PRODUCT_VERSION_TAG = R01A12
Documentation
Please refer to the following documentation for how to burn and use the board:
1.开发板入门指南_EIDS200B型_CN.pdf
2.开发板入门指南_HF106_CN.pdf
3.开发板镜像安装与升级手册_CN_v1.0.pdf
4.EVB_boardinfo制作及烧录.pdf
5.Bootloader移植应用开发指南_CN_v1.0.pdf
Please refer to the following documentation for how to compile systems or applications, as well as use NNTools
to develop your own deep learning models：
1.软件产品使用手册_v1.0.pdf
2.ENNP用户手册_CN_v0.6.8.pdf
Please refer to the following documentation for how to develop your own applications using EsSDK.
1.CIPHER用户手册_CN_v0.4.pdf
2.ENNP开发者手册_CN_v0.6.pdf
3.FFMPEG用户手册_CN_V1.0.pdf
4.Memory用户手册_CN_v0.5.pdf
5.Ｎsign用户手册_CN_v0.7.pdf
6.SYS开发者手册_CN_v0.6.pdf
7.VDEC开发者手册_CN_v0.6.pdf
8.VENC开发者手册_CN_v0.6.pdf
9.VO开发者手册_CN_ V1.0.pdf
10.VPS开发者手册_CN_v0.7.pdf
11.音频开发者手册_CN_v0.7.pdf
12.音频用户手册_CN_v0.7.pdf
Limitations
Known issues
- Memory leaks when playing videos in MPV, Firefox, or Chromium.
- Under heavy system load, MPV may experience a black screen during playback.
- Neither the external graphics card nor the VI module supports sleep/wake-up.
- Playing videos with an external graphics card may result in blue screens or color distortion.
- Image quality is low with external IMX219 and IMX327 sensors.
- Capturing images with an external sensor connected to the VI module may cause system crashes or select timeouts.
Open TRs in Jira (not included in this release):
None
Non-accepted functionality (CRs that have been implemented but not
integrated and verified in test environments):
None
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Change Log |
-----------+
R01A13, 2025-12-30
changelog：
CR: Added support for power management functions
CR: Added support for zero-copy GStreamer
CR: Optimized VI functions: Support for multi-channel DVP; overlay static function; 2-channel HDR function; switching HDR mode during video playback; D560 adaptation for 4-lane sensors and IMX708; MIPI supports 8-bit and 12-bit; MIPI supports 8-bit and 12-bit
TR: Fixed the issue of inconsistent qwen2_7b_int8_peer responses on the 7702 board
TR: Fixed the probability of OOP occurring during P550 restarts or under high-pressure scenarios
R01A12, 2025-10-30
Changelog:
CR: Dual-die boards automatically adjust frequency based on network model weights.
CR: Added DSP operators: RGB2HSV, RGB2GRAY, HoughLines, Sobel, Canny, GaussianBlur, Dilate, Erode, DFT
CR: Optimized dual-die phase adjustment tool
CR: Added configurable esfand for setting target center temperature
CR: Optimized preboot logo BMP image pixel display
CR: Added dynamic frequency adjustment for Dec, Enc, and 2D
CR: Updated gamma fun for Wayland compatibility
CR: Added USB audio functionality
CR: VI feature update: DVP2AXI supports RG888; added compatible sensors: IMX415 sensor, OV5647 and OV9281, IMX219; kernel device tree supports overlay
TR: NPU freezes with a low probability during IPA frequency modulation.
2025.10.30
EBC77_Series_EBC7702_Mini-DTX_Mainboard R01A12 Release Notes
Included Versions
Versions:
PRODUCT_VERSION_TAG = R01A12
Documentation
Please refer to the following documentation for how to burn and use the board:
1.开发板入门指南_EIDS200B型_CN.pdf
2.开发板入门指南_HF106_CN.pdf
3.开发板镜像安装与升级手册_CN_v1.0.pdf
4.EVB_boardinfo制作及烧录.pdf
5.Bootloader移植应用开发指南_CN_v1.0.pdf
Please refer to the following documentation for how to compile systems or applications, as well as use NNTools
to develop your own deep learning models：
1.软件产品使用手册_v1.0.pdf
2.ENNP用户手册_CN_v0.6.8.pdf
Please refer to the following documentation for how to develop your own applications using EsSDK.
1.CIPHER用户手册_CN_v0.4.pdf
2.ENNP开发者手册_CN_v0.6.pdf
3.FFMPEG用户手册_CN_V1.0.pdf
4.Memory用户手册_CN_v0.5.pdf
5.Ｎsign用户手册_CN_v0.7.pdf
6.SYS开发者手册_CN_v0.6.pdf
7.VDEC开发者手册_CN_v0.6.pdf
8.VENC开发者手册_CN_v0.6.pdf
9.VO开发者手册_CN_ V1.0.pdf
10.VPS开发者手册_CN_v0.7.pdf
11.音频开发者手册_CN_v0.7.pdf
12.音频用户手册_CN_v0.7.pdf
Limitations
Known issues
- Memory leaks when playing videos in MPV, Firefox, or Chromium.
- Under heavy system load, MPV may experience a black screen during playback.
- qwen2_7b_int8_peer responses are inconsistent on the 7702 board.
Open TRs in Jira (not included in this release):
None
Non-accepted functionality (CRs that have been implemented but not
integrated and verified in test environments):
None
-----------+
Change Log |
-----------+
R01A12, 2025-10-30
Changelog:
CR: Dual-die boards automatically adjust frequency based on network model weights.
CR: Added DSP operators: RGB2HSV, RGB2GRAY, HoughLines, Sobel, Canny, GaussianBlur, Dilate, Erode, DFT
CR: Optimized dual-die phase adjustment tool
CR: Added configurable esfand for setting target center temperature
CR: Optimized preboot logo BMP image pixel display
CR: Added dynamic frequency adjustment for Dec, Enc, and 2D
CR: Updated gamma fun for Wayland compatibility
CR: Added USB audio functionality
CR: VI feature update: DVP2AXI supports RG888; added compatible sensors: IMX415 sensor, OV5647 and OV9281, IMX219; kernel device tree supports overlay
TR: NPU freezes with a low probability during IPA frequency modulation.
2025.07.30
EIC7702X R01A00, Release Notes
Included Versions
Versions:
PRODUCT_VERSION_TAG = R01A00
Documentation
Please refer to the following documentation for how to burn and use the board:
1.EBC77 Series Development Board User Manual-V1.5.pdf
2.EBC77_Series_Development_Board_Datasheet_EN_v1.5.pdf
Please refer to the following documentation for how to compile systems or applications, as well as use NNTools to develop your own deep learning models：
1.Software_Introduction_Guide_EN_v0.6.pdf
2.ENNP_User_Manual_v1.3.pdf
Please refer to the following documentation for how to develop your own applications using EsSDK.
1.ENNP_Developer_Manual_v0.9.4.pdf
2.VDEC_Developer_Guide_EN v0.7.pdf
3.VPS_Developer_Manual_EN_v0.7.pdf
4.Audio_Developer_Manual_EN_v0.7.pdf
5.Audio_User_Manual_EN_v0.8.pdf
6.GPU_User_Manual_EN_v0.6.pdf
7.ISP_Developer_Manual_EN_v0.5.pdf
Limitations
Known issues
- CSI (Camera Serial Interface) is not currently supported.
- DSI (Display Serial Interface) is not currently supported.
- Under high system load, MPV has a low probability of experiencing a black screen during playback.
- Under high system stress, there is a probability of d2d link drop.
- Flickering occurs when hot-plugging on die0.
- Inconsistent answers from qwen2_7b_int8_peer on the 7702 board.
- Probability of CPU stuck exception occurring after suspend/resume.
- MPV freezes after suspend/resume.
- When the system boots with die1 HDMI connected, the login system is absent on HDMI1 and cannot be woken up; default login without password on HDMI1 may show a split-screen phenomenon for a few seconds.
Open TRs in Jira (not included in this release):
None
Non-accepted functionality (CRs that have been implemented but not
integrated and verified in test environments):
None
-----------+
Change Log |
-----------+
None
R01A00, 2025-07-30
CR: Improved user customization of the boot screen.
CR: Added es-boottime-optimizer.deb to optimize Ubuntu boot time.
CR: Added automatic dual-die phase adjustment, generating adjustment data based on temperature.
CR: Added EDID reading and parsing functionality, added screen parameters for 2.2/2.8/2.5/1200p/1080p, enabling screen selection based on EDID results.
CR: Added dynamic frequency scaling for Dec, Enc, and 2D.
CR: Added display of VDec, Enc, and VPS utilization rates in es-hw-watcher.
CR: Supports WiFi networking as well as wired networking.
CR: Supports video playback in a browser.
CR: Supports audio signal output via HDMI, as well as audio output from speakers.
CR: Supports player using VPU acceleration.
TR: Fixed issue where ES_AK_DSP_DetectionOut executing yolov5s post-processing would hang after running for a period of time.
TR: Fixed issue where the default Ubuntu mutter would cause images to appear washed out.