Half Size ISA

586 Media GX ISA Bus CPU Card with VGA/LCD/LAN/Audio
266MHz low power CPU




As an all-in-one CPU card, HS-4020 integrates the Cyrix Media GX 266MHz low power CPU and
CX5530 chipsets supports VGA/Flat Panel up to 1024 x 768 x 16 colors and audio function. The NS 83815 Ethernet controller drive both 10Mbps and 100Mbps LAN facilities. A 2M-bit Y2K compliant Award BIOS and a 32-pin DIP socket supporting 2MB~144MB of DiskOnChip flash disks are also on the card.

Other standard features include a PC/104 extension connector, the extra 5-pin power connector, ATX power supported.



  • Half-size, ISA Bus standard
  • CyrixR MediaGX 266MHz low power enhanced processor
  • One piece DIMM socket support SDRAM up to 128MB
  • Fast PCI enhanced IDE controller support two IDE disk drives
  • Three high speeds RS-232 serial ports and one RS-232/422/485 serial port all including 16C550 UART with 16byte FIFO
  • One enhanced bi-directional parallel port, support SPP/EPP/ECP. On board PS/2 Keyboard and PS/2 Mouse connector
  • On board 100 Based LAN
  • On board Sound
  • On board CyrixR CX5530 controller support CRT/Panel display
  • DiskOnChip memory size up to 144MB
  • Extra power support
  • PC/104 connector
  • ATX power function support



Processor Socket Embedded Cyrix Meida GX low power CPU
Processor Speeds Cyrix 266Mhz
BIOS Award BIOS, Y2K compliant, DMI, Plug and Play
Chipset Cyrix Media GX, Cyrix CX5530
Bus Speed 66/100MHz
Bus Interface ISA
Cache Size L2 cache integrated in the CPU
Memory One 168-pin DIMM socket provides up to 128MB SDRAM
Onboard IDE Two IDE disk drives support LBA mode with data rating 33MB/sec
Onboard Multi I/O Cyrix CX5530, SMC 37C669
Parallel Port Support SPP/ECP/EPP
Serial Port Three RS-232 serial ports and one RS-232/422/485 all including
16C550 UART with 16 byte FIFO
Onboard VGA Cyrix CX5530 supports CRT/LCD Panel up to 1024 x 768 x 16
Onboard LAN NS 83815 100 based LAN
Onboard Audio Cyrix CX5530
PC104 One PC/104 Bus connector for 16bit ISA Bus
USB Support two USB ports
Keyboard PS/2 6-pin Mini Din or 5-pin header
Mouse PS/2 6-pin Mini Din
Onboard SSD DIP socket supports 2MB~144MB DiskOnChip Flash Disks
Watchdog Timer Set 1, 2, 10, 20, 110, 220 seconds, activity trigger with Reset or NMI
ATX Power ATX power control
Extra Power One 5-pin +5V/+12V, +5VSB, ATX power on connector
Power Voltage +5V, +12V, -12V
Power Consumptione 4.9A
Temperature 0C to 60C
Humidity 5% to 95%
Form Factor Half-size form factor
Dimensions 7.3" x 4.8" (185mm x 122mm)
HS-4020 586 ISA Bus CPU Card with VGA/LCD/LAN/Audio and 266MHz CPU on board




Embedded Boards - Riser Cards, Chassis, Power Supplies, EBX Embedded Boards, PC104
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Peripherals, Power supplies, Monitor Enclosures, Rack Mount Keyboards
Panel PC Embedded Computers


All Industrial Systems Inc.
672 Still Meadows Circle East
Palm Harbor, Florida 34683
Phone # 727-786-1009