PORTWELL Industrial Partner

ROBO-578 - Portwell ROBO-578 CPU Board. Based on the Pentium Processor with...

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Portwell ROBO-578 CPU Board. Based on the Pentium Processor with VGA | Ethernet | UW SCSI Simple Type: CPU Board

PORTWELL ROBO-578 Highly Integrated SBC supports Pentium compatible processors up to 333MHz and has Adopt ALiM1521/1543C chipset and suports 66/75/83.3 MHz FSB. It has Two DIMM SDRAM sockets support up to 512MB, an on-board 512 KB cache memory, an on-board 2D ATI VT4 PCI VGA display with 2MB/4MB VRAM and an on-board Intel® 82558 10/100 Base-T Ethernet. The PORTWELL ROBO-578 also supports ATX power control and CPU overheat protection and a high ISA-bus driving capability. It has an on-board Adaptec 7880 Ultra-wide SCSI adapter for 40MB/S and a built-in RTC and configurable WDT (Watchdog Timer).

Download the datasheet (PDF)

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  • 10/100 BASE-T Ethernet port
  • 50-pin SCSI port
  • 512 cache memory
  • 68-pin UW SCSI port
  • Adaptec 7880 SCSI
  • ALI M1524 north bridge
  • ALi M1543C south bridge
  • ATI VT 4 VGA chip
  • ATX power control
  • COM 2/RS-232
  • COM1/RS-232
  • External K/B connector
  • External power connector
  • FDD port
  • INtel 82558 LAN chip
  • Parallel port
  • PS/2 K/B connector
  • PS/2 mouse connector
  • RTC battery
  • Two 168-pin DIMM socket
  • Two IDE connectors
  • VGA port
  • ZIF socket for CPU


  • Board Dimension: 339.5(L) x 122(W) mm, 13.37"(L) x 4.8"(W), 6-layer PCB.
  • Cash Memory: 512KB pipeline burst SRAM, cacheable
  • Chipset: ALi M1531/1543C chips
  • CPU: Support Intel P55C processors up to
  • Fully ATX Power Control: Modem-Ring-On and Wake-On-LAN
  • Memory: Two 168-pin DIMM sockets support up
  • On-Board 10/100 Base-T Ethernet: Built with Intel 82558 Ethernet chip to support 10/100 Base-T connecting capability
  • On-Board I/O: On-board 2xIDE/FDC/2S/1P, K/B and
  • On-Board Ultra Wide SCSI: Adaptec AIC 7880 SCSI controller. Ultra Wide SCSI transfer rate: 8-bit (narrow): 20MB/s, 16-bit (wide): 40MB/s. 15 devices connectivity. Drivers supported: DOS, Windows 95, Windows NT, Novell Netware, SCO
  • Operating Temperature: 0 to +55°C
  • PCI Bus VGA Display: On-board 2D ATI VT4 VGA display chipset with 2/4MB VRAM
  • Power Requirement: +5V@6A,+12V@70mA
  • Processor: Intel P55C
  • Relative Humidity: 5 to 95% non-condensing
  • Watchdog Timer: Eight segment (0.5, 1, 2, 4, 8, 16, 32,



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