AIMB-228: Mini-ITX with AMD V1000/R1000/R2000 platform, supports 4x DP, 6x USB, 6x COM, and 12-24V DC-In

aimb-228_1
aimb-228_1aimb-228_2aimb-228_3
Giá: Liên hệ

AIMB-228: Mini-ITX with AMD V1000/R1000/R2000 platform, supports 4x DP, 6x USB, 6x COM, and 12-24V DC-In của hãng Advantech đang được BKAII phân phối rộng rãi tại thị trường Việt Nam. AIMB-228 được thiết theo tiêu chuẩn công nghiệp, nhỏ gọn, dễ dàng lấy được tín hiệu về PLC, máy tính, vi xử lý, máy tính nhúng. Sản phẩm hiện đang được sử dụng trong các bài toán M2M, IoT của các lĩnh vực: Điện lực, khí tượng thủy văn, giao thông thông minh, hệ thống kiểm soát an ninh,…

Tính năng của sản phẩm:

  • Performance upgrade with Embedded Ryzen 4 cores / 8 threads & 32GB DDR4 SODIMM
  • Vega GPU with 11 compute units and Quad 4K display support
  • Supports PCIe x8 , 2 x M.2 expansion slots, 6 x COM, 4 x USB 2.0, 2 x USB 3.1 x Gen2 connectors
  • Support SUSI, WISE-DeviceOn and Edge AI Suite.
  • Supports 12-24V wide voltage DC-In

Thông số kỹ thuật

AIMB-228

AIMB-228VG2-00A2E

AIMB-228VG2-02A2E

AIMB-228VG2-03A2E

AIMB-228RG2-00A2E

Processor 

CPU

AMD Ryzen™ Embedded V1000 processor

AMD Ryzen™ Embedded V1000 processor

AMD Ryzen™ Embedded V1000 processor

AMD Ryzen™ Embedded R1606G processor

 

Max Speed

3.8GHz

3.6GHz

3.2GHz

3.5GHz

 

L2 Cache

2 MB

2 MB

2 MB

1  MB

 

BIOS

AMI 128 Mbit SPI

AMI 128 Mbit SPI

AMI 128 Mbit SPI

AMI 128 Mbit SPI

Memory 

Max. Capacity

Max. up to 32 GB (16 GB per SODIMM)

Max. up to 32 GB (16 GB per SODIMM)

Max. up to 32 GB (16 GB per SODIMM)

Max. up to 32 GB (16 GB per SODIMM)

 

Technology

DDR4 2400 / 2666 / 3200MHz SO-DIMM

DDR4 2400 / 2666 / 3200MHz SO-DIMM

DDR4 2400 / 2666 / 3200MHz SO-DIMM

DDR4 2400 / 2666 / 3200MHz SO-DIMM

 

Socket

2 x 260 Pin DDR4 SO-DIMM

2 x 260 Pin DDR4 SO-DIMM

2 x 260 Pin DDR4 SO-DIMM

2 x 260 Pin DDR4 SO-DIMM

Display 

Controller

AMD Integrated Vega GCN

AMD Integrated Vega GCN

AMD Integrated Vega GCN

AMD Integrated Vega GCN

 

DP/HDMI

4DP

4DP

4DP

3DP

 

Graphic Engine

DirectX10, OpenGL 2.0, H.264 and VC1 support

DirectX10, OpenGL 2.0, H.264 and VC1 support

DirectX10, OpenGL 2.0, H.264 and VC1 support

DirectX10, OpenGL 2.0, H.264 and VC1 support

 

Graphic Memory

Share with system memory up to 128 MB

Share with system memory up to 128 MB

Share with system memory up to 128 MB

Share with system memory up to 128 MB

 

Multiple Display

Four DP displays

Four DP displays

Four DP displays

Three DP displays

 

LCD (TTL/LVDS/eDP)

LVDS: Dual channel 48-bit up to 1920 x 1200

LVDS: Dual channel 48-bit up to 1920 x 1200

LVDS: Dual channel 48-bit up to 1920 x 1200

LVDS: Dual channel 48-bit up to 1920 x 1200

Expansion 

Slot Type

1

1

1

0

 

PCI Express x 8

1

1

0

1

Ethernet

Controller

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

 

Speed

10/ 100/ 1000 Mbps

10/ 100/ 1000 Mbps

10/ 100/ 1000 Mbps

10/ 100/ 1000 Mbps

 

Connector

RJ45 x 2

RJ45 x 2

RJ45 x 2

RJ45 x 2

Audio 

Audio Interface

HD Audio

HD Audio

HD Audio

HD Audio

 

CODEC

Realtek ALC888S, High Definition Audio (HD)

Realtek ALC888S, High Definition Audio (HD)

Realtek ALC888S, High Definition Audio (HD)

Realtek ALC888S, High Definition Audio (HD)

 

Connector

2 (Line out, Mic In)

2 (Line out, Mic In)

2 (Line out, Mic In)

2 (Line out, Mic In)

Watchdog Timer

Watchdog Timer

Yes

Yes

Yes

Yes

Storage 

SATA

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

I/O

GPIO

1, 16-bit GPIO

1, 16-bit GPIO

1, 16-bit GPIO

1, 16-bit GPIO

 

USB3.0

2

2

2

2

 

USB2.0

4

4

4

4

 

COM Port

6 (5 x RS232,1 x RS232/422/485; 1 support CCtalk, 1 support TTL)

6 (5 x RS232,1 x RS232/422/485; 1 support CCtalk, 1 support TTL)

6 (5 x RS232,1 x RS232/422/485; 1 support CCtalk, 1 support TTL)

6 (5 x RS232,1 x RS232/422/485; 1 support CCtalk, 1 support TTL)

Power 

Power Type

ATX, AT

ATX, AT

ATX, AT

ATX, AT

 

Connector

DC jack, internal 4pin

DC jack, internal 4pin

DC jack, internal 4pin

DC jack, internal 4pin

Environment 

Operational Temperature

0 ~ 60° C (32 ~ 140° F)

0 ~ 60° C (32 ~ 140° F)

0 ~ 60° C (32 ~ 140° F)

0 ~ 60° C (32 ~ 140° F)

 

Non-Operational Temperature

-40~ 85° C

-40~ 85° C

-40~ 85° C

-40~ 85° C

 

Vibration Resistance

3.5 Grm (Non-Operation Mode)

3.5 Grm (Non-Operation Mode)

3.5 Grm (Non-Operation Mode)

3.5 Grm (Non-Operation Mode)

Physical

Dimension (mm)

170x 170 mm (without heatsink)

170x 170 mm (without heatsink)

170x 170 mm (without heatsink)

170x 170 mm (without heatsink)

 

Construction

with CPU cooler design

with CPU cooler design

with CPU cooler design

with CPU cooler design

 

Weight

1.04 kg (1.72 lb), weight of total package

1.04 kg (1.72 lb), weight of total package

1.04 kg (1.72 lb), weight of total package

1.04 kg (1.72 lb), weight of total package

Operating System 

Microsoft Windows

Yes

Yes

Yes

Yes

 

Linux

Yes

Yes

Yes

Yes

 

SUSIAccess

Yes

Yes

Yes

Yes

Certification 

EMC

CE/FCC

CE/FCC

CE/FCC

CE/FCC

AIMB-228

AIMB-228RG2-01A2E

AIMB-228RG2-02A2E

AIMB-228RG2-03A2E

AIMB-228R2G2-00A2E

Processor 

CPU

AMD Ryzen™ Embedded R1505G processor

AMD Ryzen™ Embedded V1000/R1000 Dual and Quad Core APUs

AMD Ryzen™ Embedded V1000/R1000 Dual and Quad Core APUs

AMD Ryzen™ Embedded R2544 SoC with AMD Radeon™ Graphics

 

Max Speed

3.3GHz

2.8GHz

2.6GHz

3.7GHz

 

L2 Cache

1 MB

1 MB

1 MB

2 MB

 

BIOS

AMI 128 Mbit SPI

AMI 128 Mbit SPI

AMI 128 Mbit SPI

AMI 128 Mbit SPI

Memory 

Max. Capacity

Max. up to 32 GB (16 GB per SODIMM)

Max. up to 32 GB (16 GB per SODIMM)

Max. up to 32 GB (16 GB per SODIMM)

Max. up to 32 GB (16 GB per SODIMM)

 

Technology

DDR4 2400 / 2666 / 3200MHz SO-DIMM

DDR4 2400 / 2666 / 3200MHz SO-DIMM

DDR4 2400 / 2666 / 3200MHz SO-DIMM

DDR4 2400 / 2666 / 3200MHz SO-DIMM

 

Socket

2 x 260 Pin DDR4 SO-DIMM

2 x 260 Pin DDR4 SO-DIMM

2 x 260 Pin DDR4 SO-DIMM

2 x 260 Pin DDR4 SO-DIMM

Display 

Controller

AMD Integrated Vega GCN

AMD Integrated Vega GCN

AMD Integrated Vega GCN

AMD Integrated Vega GCN

 

DP/HDMI

3DP

3DP

2DP

4DP

 

Graphic Engine

DirectX10, OpenGL 2.0, H.264 and VC1 support

DirectX10, OpenGL 2.0, H.264 and VC1 support

DirectX10, OpenGL 2.0, H.264 and VC1 support

DirectX10, OpenGL 2.0, H.264 and VC1 support

 

Graphic Memory

Share with system memory up to 128 MB

Share with system memory up to 128 MB

Share with system memory up to 128 MB

Share with system memory up to 128 MB

 

Multiple Display

Three DP displays

Three DP displays

Dual

DP/LVDS+DP+DP+DP

 

LCD (TTL/LVDS/eDP)

LVDS: Dual channel 48-bit up to 1920 x 1200

LVDS: Dual channel 48-bit up to 1920 x 1200

LVDS: Dual channel 48-bit up to 1920 x 1200

LVDS (Optional)

Expansion 

Slot Type

1

1

1

1 x M.2 E key(type: 2230), 1 x M.2 B key (type: 3042)

 

PCI Express x 8

0

0

0

1

Ethernet

Controller

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

 

Speed

10/ 100/ 1000 Mbps

10/ 100/ 1000 Mbps

10/ 100/ 1000 Mbps

10/ 100/ 1000 Mbps

 

Connector

RJ45 x 2

RJ45 x 2

RJ45 x 2

RJ45 x 2

Audio 

Audio Interface

HD Audio

HD Audio

HD Audio

HD Audio

 

CODEC

Realtek ALC888S, High Definition Audio (HD)

Realtek ALC888S, High Definition Audio (HD)

Realtek ALC888S, High Definition Audio (HD)

Realtek ALC888, High Definition Audio (HD)

 

Connector

2 (Line out, Mic In)

2 (Line out, Mic In)

2 (Line out, Mic In)

2 (Line out, Mic In)

Watchdog Timer

Watchdog Timer

Yes

Yes

Yes

255 levels timer interval, programmable by software

Storage 

SATA

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

I/O

GPIO

1, 16-bit GPIO

1, 16-bit GPIO

1, 16-bit GPIO

1, 16-bit GPIO

 

USB3.0

2

2

2

2

 

USB2.0

4

4

4

4

 

COM Port

6 (5 x RS232,1 x RS232/422/485; 1 support CCtalk, 1 support TTL)

6 (5 x RS232,1 x RS232/422/485; 1 support CCtalk, 1 support TTL)

6 (5 x RS232,1 x RS232/422/485; 1 support CCtalk, 1 support TTL)

6 (4 x RS232, 2 x RS232/422/485; 1 support CCtalk, 1 support TTL)

Power 

Power Type

ATX, AT

ATX, AT

ATX, AT

ATX, AT

 

Connector

DC jack, internal 4pin

DC jack, internal 4pin

DC jack, internal 4pin

DC jack, internal 4pin

Environment 

Operational Temperature

0 ~ 60° C (32 ~ 140° F)

0 ~ 60° C (32 ~ 140° F)

0 ~ 60° C (32 ~ 140° F)

0 ~ 60° C (32 ~ 140° F)

 

Non-Operational Temperature

-40~ 85° C

-40~ 85° C

-40~ 85° C

-40~ 85° C

 

Vibration Resistance

3.5 Grm (Non-Operation Mode)

3.5 Grm (Non-Operation Mode)

3.5 Grm (Non-Operation Mode)

3.5 Grm (Non-Operation Mode)

Physical

Dimension (mm)

170x 170 mm (without heatsink)

170x 170 mm (without heatsink)

170x 170 mm (without heatsink)

170x 170 mm (without heatsink)

 

Construction

with CPU cooler design

with CPU cooler design

with CPU cooler design

with CPU cooler design

 

Weight

1.04 kg (1.72 lb), weight of total package

1.04 kg (1.72 lb), weight of total package

1.04 kg (1.72 lb), weight of total package

1.04 kg (1.72 lb), weight of total package

Operating System 

Microsoft Windows

Yes

Yes

Yes

Yes

 

Linux

Yes

Yes

Yes

Yes

 

SUSIAccess

Yes

Yes

Yes

Yes

Certification 

EMC

CE/FCC

CE/FCC

CE/FCC

CE/FCC

AIMB-228

AIMB-228R2G2-01A2E

AIMB-228R2G2-02A2E

AIMB-228R2G2-03A2E

 

Processor 

CPU

AMD RyzenTM Embedded R2514 SoC with AMD Radeon™ Graphics

AMD RyzenTM Embedded R2314 SoC with AMD Radeon™ Graphics

AMD RyzenTM Embedded R2312 SoC with AMD Radeon™ Graphics

 
 

Max Speed

3.7GHz

3.5GHz

3.5GHz

 
 

L2 Cache

2 MB

1 MB

1 MB

 
 

BIOS

AMI 128 Mbit SPI

AMI 128 Mbit SPI

AMI 128 Mbit SPI

 

Memory 

Max. Capacity

Max. up to 32 GB (16 GB per SODIMM)

Max. up to 32 GB (16 GB per SODIMM)

Max. up to 32 GB (16 GB per SODIMM)

 
 

Technology

DDR4 2400 / 2666 / 3200MHz SO-DIMM

DDR4 2400 / 2666 / 3200MHz SO-DIMM

DDR4 2400 / 2666 / 3200MHz SO-DIMM

 
 

Socket

2 x 260 Pin DDR4 SO-DIMM

2 x 260 Pin DDR4 SO-DIMM

2 x 260 Pin DDR4 SO-DIMM

 

Display 

Controller

AMD Integrated Vega GCN

AMD Integrated Vega GCN

AMD Integrated Vega GCN

 
 

DP/HDMI

4DP

4DP

3DP

 
 

Graphic Engine

DirectX10, OpenGL 2.0, H.264 and VC1 support

DirectX10, OpenGL 2.0, H.264 and VC1 support

DirectX10, OpenGL 2.0, H.264 and VC1 support

 
 

Graphic Memory

Share with system memory up to 128 MB

Share with system memory up to 128 MB

Share with system memory up to 128 MB

 
 

Multiple Display

DP/LVDS+DP+DP+DP

DP/LVDS+DP+DP+DP

DP/LVDS+DP+DP+DP

 
 

LCD (TTL/LVDS/eDP)

LVDS (Optional)

LVDS (Optional)

LVDS (Optional)

 

Expansion 

Slot Type

1 x M.2 E key(type: 2230), 1 x M.2 B key (type: 3042)

1 x M.2 E key(type: 2230), 1 x M.2 B key (type: 3042)

1

 
 

PCI Express x 8

1

1

0

 

Ethernet

Controller

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

GbE1: Realtek RTL8111E; GbE2: Realtek RTL8111E

 
 

Speed

       
 

Connector

RJ45 x 2

RJ45 x 2

RJ45 x 2

 

Audio 

Audio Interface

HD Audio

HD Audio

HD Audio

 
 

CODEC

Realtek ALC888, High Definition Audio (HD)

Realtek ALC883, High Definition Audio (HD)

Realtek ALC888, High Definition Audio (HD)

 
 

Connector

2 (Line out + Mic/Line in)

2 (Line out + Mic/Line in)

2 (Line out + Mic/Line in)

 

Watchdog Timer

Watchdog Timer

255 levels timer interval, programmable by software

255 levels timer interval, programmable by software

255 levels timer interval, programmable by software

 

Storage 

SATA

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

2 x SATA III (Max. Data Transfer Rate 600 MB/s)

 

I/O

GPIO

1, 16-bit GPIO

1, 16-bit GPIO

1, 16-bit GPIO

 
 

USB3.0

2

2

2

 
 

USB2.0

4

4

4

 
 

COM Port

6 (4 x RS232, 2 x RS232/422/485; 1 support CCtalk, 1 support TTL)

6 (4 x RS232, 2 x RS232/422/485; 1 support CCtalk, 1 support TTL)

6 (4 x RS232, 2 x RS232/422/485; 1 support CCtalk, 1 support TTL)

 

Power 

Power Type

ATX, AT

ATX, AT

ATX, AT

 
 

Connector

DC jack, internal 4pin

DC jack, internal 4pin

DC jack, internal 4pin

 

Environment 

Operational Temperature

0 ~ 60° C (32 ~ 140° F)

0 ~ 60° C (32 ~ 140° F)

0 ~ 60° C (32 ~ 140° F)

 
 

Non-Operational Temperature

-40 ~ 85 °C

-40 ~ 85 °C

-40 ~ 85 °C

 
 

Vibration Resistance

3.5 Grm (Non-Operation Mode)

3.5 Grm (Non-Operation Mode)

3.5 Grm (Non-Operation Mode)

 

Physical

Dimension (mm)

170x 170 mm (without heatsink)

170x 170 mm (without heatsink)

170x 170 mm (without heatsink)

 
 

Construction

with CPU cooler design

with CPU cooler design

with CPU cooler design

 
 

Weight

1.04 kg (1.72 lb), weight of total package

1.04 kg (1.72 lb), weight of total package

1.04 kg (1.72 lb), weight of total package

 

Operating System 

Microsoft Windows

Yes

Yes

Yes

 
 

Linux

Yes

Yes

Yes

 
 

SUSIAccess

Yes

Yes

Yes

 

Certification 

EMC

CE/FCC

CE/FCC

CE/FCC

 

PCM-24D2R2: iDoor module: 2-Ports Isolated RS-232 mPCIe, DB9

Giá: Liên hệ
PCM-24D2R2: iDoor module: 2-Ports Isolated RS-232 mPCIe, DB9 của hãng Advantech hiện đang...

PCM-24D4R2: iDoor Module 4-Ports Non-Isolated RS-232 mPCIe, DB37

Giá: Liên hệ
PCM-24D4R2: iDoor Module 4-Ports Non-Isolated RS-232 mPCIe, DB37 của hãng Advantech hiện đang ...

PCM-27D24DI: iDoor Module 24-Channels Isolated Digital I/O with counter mPCIe, DB37

Giá: Liên hệ
PCM-27D24DI: iDoor Module 24-Channels Isolated Digital I/O with counter mPCIe, DB37 của hãng...

ADAM-6700E: USB to MiniPCIe Adaptor Module

Giá: Liên hệ
ADAM-6700E: USB to MiniPCIe Adaptor Module của hãng Advantech hiện đang được BKAII ph...

ADAM-6760D: 8SSR Relay/8 DI Intelligent I/O Gateway

Giá: Liên hệ
ADAM-6760D: 8SSR Relay/8 DI Intelligent I/O Gateway của hãng Advantech hiện đang được...

ESRP-PCS-ADAM6760D: 8SSR Relay/8 DI Intelligent I/O Gateway with WISE-EdgeLink

Giá: Liên hệ
ESRP-PCS-ADAM6760D: 8SSR Relay/8 DI Intelligent I/O Gateway with WISE-EdgeLink của hãng Adva...

ECU-1050: Industrial Communication Gateway with TI Cortex A8, 2 LAN & 2 mPCIe wireless expansion

Giá: Liên hệ
ECU-1050: Industrial Communication Gateway with TI Cortex A8, 2 LAN & 2 mPCIe wireless expansion...

ECU-1251D: Industrial Communication Gateway with TI Cortex A8, 2 LAN, 2 COM, 4 DI & 4 DO

Giá: Liên hệ
ECU-1251D: Industrial Communication Gateway with TI Cortex A8, 2 LAN, 2 COM, 4 DI & 4 DO c...

ECU-1251 V2: Industrial Communication Gateway with TI Cortex A9, 2 x LAN & 4 COM

Giá: Liên hệ
ECU-1251 V2: Industrial Communication Gateway with TI Cortex A9, 2 x LAN & 4 COM của hãn...

ECU-1370: High-Performance IoT Gateway with NXP i.MX8M Quad Core Cortex A53

Giá: Liên hệ
ECU-1370: High-Performance IoT Gateway with NXP i.MX8M Quad Core Cortex A53 của hãng Advante...

ECU-1260: Industrial Communication Gateway with Cortex Quad Core Cortex A35, 2 LAN, 3 COM & 1 CAN

Giá: Liên hệ
ECU-1260: Industrial Communication Gateway with Cortex Quad Core Cortex A35, 2 LAN, 3 COM & 1 CA...

ADAM-3668: 4-ch Relay Output Module

Giá: Liên hệ
ADAM-3668: 4-ch Relay Output Module của hãng Advantech hiện đang được BKAII phân ph...

ADAM-6717SK: Starter Kit- An integrated sensor-to-cloud solution with 9 sensors, providing a simple way to build IoT condition monitoring for remote facilities

Giá: Liên hệ
ADAM-6717SK: Starter Kit- An integrated sensor-to-cloud solution with 9 sensors, providing a simple ...

WOP-204K: 4.3" WQVGA, 64MB, 128MB(NAND), Serialx3,Ethernet

Giá: Liên hệ
WOP-204K: 4.3" WQVGA, 64MB, 128MB(NAND), Serialx3,Ethernet của hãng Advantech hiện đang ...

WOP-204K-NAE: 4.3" WQVGA, 64MB, 128MB(NAND), Serialx3,Ethernet

Giá: Liên hệ
WOP-204K-NAE: 4.3" WQVGA, 64MB, 128MB(NAND), Serialx3,Ethernet của hãng Advantech hiện đa...

WOP-204K-SAE: 4.3" WQVGA, 64MB, 128MB(NAND), Serialx3,Ethernet

Giá: Liên hệ
WOP-204K-SAE: 4.3" WQVGA, 64MB, 128MB(NAND), Serialx3,Ethernet của hãng Advantech hiện đa...

WOP-207K: 7" WVGA, 64MB, 128MB(NAND), Serialx3,Ethernet

Giá: Liên hệ
WOP-207K: 7" WVGA, 64MB, 128MB(NAND), Serialx3,Ethernet của hãng Advantech hiện đang đư...

WOP-207K-SAE: 7" WVGA, 64MB, 128MB(NAND), Serialx3,Ethernet

Giá: Liên hệ
WOP-207K-SAE: 7" WVGA, 64MB, 128MB(NAND), Serialx3,Ethernet của hãng Advantech hiện đang ...

WOP-208K: 8" SVGA, 64MB, 128MB(NAND), Serialx3,Ethernet

Giá: Liên hệ
WOP-208K: 8" SVGA, 64MB, 128MB(NAND), Serialx3,Ethernet của hãng Advantech hiện đang đư...

WOP-210K: 10.1" WSVGA, 64MB, 128MB(NAND), Serialx3,Ethernet

Giá: Liên hệ
WOP-210K: 10.1" WSVGA, 64MB, 128MB(NAND), Serialx3,Ethernet của hãng Advantech hiện đang ...
Kết quả 3621 - 3640 of 5261

Bài viết mới cập nhật...