C89 is the core of Shenzhen Cjoyin electronics for a portable computer, set-top box, mini host developed equipment based on a high performance processing platform notebook computer motherboard. It uses the Intel NM70 chipset, Bridge Core supports 22 nano IVY i3/i5/i7 and Celeron CPU platform, not only has a strong computing ability and efficient application of graphics processing ability, but also has the characteristics of small volume, low power consumption and low cost;C89 has a rich interface, 1 VGA ports, 1 HDMI ports, 1 fast RJ45 card, 5 USB2.0 interface, three headset and MIC interface of each one, a Mini_PCIE interface can support half card WIFI, 3G, Bluetooth module, at the same time, C89 also set aside the onboard USB interface and LVDS interface for customers to choose.
| Motherboard type | X86 mobile platform computer motherboard; |
| CPU type | Intel IVY Bridge |
| Chipset | NM70 |
| Memory specification | Single slot DDR3 1600/1333, maximum support 4GB |
| Audio interface | 1 three segment Audio output interface; |
| 1 three segment MIC input interface； | |
| 1 onboard Speaker interfaces； | |
| 1 onboard MIC（Option）； | |
| Video interface | 1 VGA interfaces； |
| 1 HDMI interfaces； | |
| 1 onboard LVDS interfaces（Option）； | |
| Network interface | 1 RJ45 interfaces support Gigabit Ethernet； |
| I/O interface | 5 USB2.0 interfaces； |
| 1 onboard USB2.0 interfaces（Option）； | |
| Extended interface | 1 Mini_PCIE interfaces; |
| Power interface | 1 DC_IN interfaces support 12VDC~19VDC input; |
| 1 button keys with light indication; | |
| Motherboard size | 160*120mm |
| Other instructions | C89 is a custom made board, which can be configured according to different customer requirements |
Fourth, the interface definition
(1)、LVDS
| Pin Number | Pin Name | Pin Number | Pin Name |
| 1 | BKL/EDID | 2 | +V5S(Option) |
| 3 | BKL/EDID | 4 | +V5S(Option) |
| 5 | BKL/EDID | 6 | LVDS_PWM |
| 7 | GPIO | 8 | +VDC(Option) |
| 9 | BKL_ON | 10 | LVDS1_CLK_DN |
| 11 | LDDC_CLK | 12 | LVDS1_CLK_DP |
| 13 | LDDC_DATA | 14 | GND |
| 15 | GND | 16 | LVDS1_DP0 |
| 17 | USB- | 18 | LVDS1_DN0 |
| 19 | USB+ | 20 | GND |
| 21 | GND | 22 | LVDS1_DP1 |
| 23 | LVDS1_DP3 | 24 | LVDS1_DN1 |
| 25 | LVDS1_DN3 | 26 | GND |
| 27 | GND | 28 | LVDS1_DN2 |
| 29 | LVDS2_DN2 | 30 | LVDS1_DP2 |
| 31 | LVDS2_DP2 | 32 | GND |
| 33 | LVDS2_DN1 | 34 | LVDS2_DP0 |
| 35 | LVDS2_DP1 | 36 | LVDS2_DN0 |
| 37 | LVDS2_CLK_DN | 38 | LVDS2_DP3 |
| 39 | LVDS2_CLK_DP | 40 | LVDS2_DN3 |
| Pin Number | Pin Name | Pin Number | Pin Name |
| 1 | VCC | 2 | USB- |
| 3 | USB+ | 4 | GND |
