搜索关键词"研华科技电脑怎么进去bios更改usb接口设置",共个3702结果

研华ARK-1125C

Intel® Atom® Processor x7211E Dual Core SoC DDR5-4800 SO-DIMM memory support up 16G Four Serial Ports M.2 E Key, B Key and M Key for storage and wireless module installation TPM for system security by option -30 ~ 60 °C extended ...

研华AIW-450

深圳硕远科技有限公司主营:深圳研祥工控机,深圳研华原装工控机等产品,提供深圳研祥,研华代理以及型号,报价等品牌服务,咨询电话:0755-33561310

研华ECU-P1522

CE/FCC认证 支持HSR协议(IEC 62439-3，第5条 支持PRP协议(IEC 62439-3，第4条 PCI Express x1兼容2个SFP接口(适用于HSR/PRP) 1个RJ45(互连)支持IEEE 1588 -25 ~ 70°C工作温度范围...

研华WISE-4210-S251 具有6通道数字输入端口和RS-485的LPWAN无线传感器节点

Proprietary LPWAN using sub-1GHz wireless frequency Battery power for 5 years with 3 x 3.6V AA batteries Up to 5 km communication range in open space Longer communication range than 2.4GHz Better penetration through concrete and s...

研华EPC-T1217 板载Intel® 奔腾 4核 N4200 处理器。支持双重显示，无风扇设计，1U超薄高度，支持上架。

板载Intel® 奔腾 4核 N4200 处理器 2 x 204-pin SO-DIMM，DDR3L 1864MHz SDRAM 2 x GbE LAN 12V DC-IN供电，锁定式直流电源插孔 1 x 2.5寸抗震硬盘托架 43mm超薄设计，支持上架 支持壁挂/VESA/导轨/机架安装模块 支持WISE-PaaS/RMM研华EPC-T1217是一款1U高度的嵌入式工控机，尺寸为250x210x43mm。板载Intel® 奔腾 4核 N4200 CPU。...

研华PCE-5133 LGA1700 12th Generation Intel® Core™ i9/i7/i5/i3/Pentium® System Host Board with DDR5, SATA 3.0, USB 3.2, M.2, Dual 2.5GbE, and Triple Displays

Intel® Core™ i9/i7/i5/i3/Pentium LGA1700 processor with R680E chipset Up to 64 GB of dual-channel (on-die ECC) DDR5 4800 MHz PCIe 3.0, M.2, USB 3.2, SATA 3.0, Dual 2.5GbE LAN and SW Raid 0, 1, 5, 10 Supports VGA and 2 x DVI-D/DP/H...

研华PCE-3029 LGA 1151 6th Gen Intel® Core™ i7/i5/i3 Half-size SHB with PCIe 3.0/ Dual Independent Display/Dual GbE LAN/SATA III/m-SATA/ USB 3.0

Complies with PICMG 1.3 Supports Intel® Core™ i7/i5/i3/Celeron®/Pentium® processor with H110 chipset Dual Channel (Non-ECC) DDR4 1866/2133 up to 32 GB Supports USB 3.0, SATA III, PCIe 3.0 Supports CRT and DVI-D/DP (optional) displ...

研华PCE-5132 LGA1200 10th Generation Intel® Core™ i9/i7/i5/i3/Pentium/Celeron System Host Board with DDR4, SATA 3.0, USB 3.2, M.2, Dual GbE, and Triple Displays

Intel® Core™ i9/7/i5/i3 LGA1200 processor with Q470E chipset Up to 64 GB of dual-channel (non-ECC) DDR4 2666/2933 MHz PCIe 3.0, M.2, USB 3.2, SATA 3.0, and SW Raid 0, 1, 5, 10 Supports out-of-band remote management with AMT Suppor...

研华PCE-3032 LGA1200 10th Gen Intel® Core™ i9/i7/i5/i3 Half-size SHB with PCIe 3.0/ Dual Independent Display/Dual GbE LAN/ SATA III/m-SATA/ USB 3.2

Complies with PICMG 1.3 Supports Intel® Core™ i9/i7/i5/i3/Celeron®/Pentium® processor with H420E chipset Dual Channel (Non-ECC) DDR4 2666/2933 up to 64 GB Supports USB 3.2, SATA III, PCIe 3.0 Supports CRT and DVI-D/DP (optional) d...

研华ASMB-816 LGA 4189 Intel® 3rd Gen Xeon® Scalable ATX Server Board with 8x DDR4, 3x PCIe x16, 8x SATA 3, 6x USB 3.2 (Gen1), Dual 10GbE, and IPMI

LGA4189 ATX server board with 3rd Gen. Xeon® Scalable processor DDR4 3200 MHz RDIMM up to 512 GB (8 DIMMs) supports Intel® Optane™ Persistent Memory Features 3x PCIe x16, 1x PCIe x8, 2x PCIe x4, and 1x PCIe x1 Intel® X550 dual 10G...

研祥八光口千兆网络模块，带2组BYPASSENM-4801S

深圳硕远科技有限公司主营:深圳研祥工控机,深圳研华原装工控机等产品,提供深圳研祥,研华代理以及型号,报价等品牌服务,咨询电话:0755-33561310

一条RS485总线能并联多少台设备

N年前做门禁系统上位机软件开发的时候突击培训过串口通信编程基础。后来在我的脑海里一直认为RS485总线能且只能挂接256个设备（因为地址是1byte，取值范围也就0-255）。  后来经过几个项目的了解，发现这个数字有着比较大的出入。有专门做串口嵌入式设备开发的说RS485总线只能挂接32个节点，这是由它自身的驱动能力决定的。而到网上搜索发现有人说可以支持128个，也有说能支持256个，甚至400个......莫衷一是。   ...