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MicroBee
MicroBee (or Micro Bee) was a series of networkable home computers by Applied Technology, which became publicly listed company MicroBee Systems Limited soon after its release. The original MicroBee computer was designed in Australia by a team including Owen Hill and Matthew Starr.
The MicroBee's most distinctive features are its user configurable video display (capable of mimicking the displays of other computers and devices including the TRS-80, Sorcerer and SOL20 with later colour and graphic models 40 and 80 column terminals, Super-80, ZX Spectrum, early arcade machines, Amstrad CPC 464) and its battery backed non-volatile RAM and small size allowing it to be powered off, transported, and powered back on and resume activities on the currently loaded program or document.
It was originally packaged as a two board unit with the lower "baseboard" containing all components except the system memory which was mounted on the upper "core board".
The original main board consisted of:
The original coreboards consisted of:
A floppy disk drive unit and S-100 bus expansion unit were available. They connected to a MicroBee by a 50 way ribbon cable to the System Expansion port.
The MicroBee had two networking options – BeeNet and StarNet. The BeeNet was a low cost low speed LAN (Local Area Network) for 16–32K ROM Models and the StarNet was for the 64K and larger DRAM models.
The BeeNet uses a bus topology that uses synchronous serial transfers. The StarNet uses a single star topology using dedicated 8-bit parallel data bus connections between the central hub and its remote spokes.
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MicroBee
MicroBee (or Micro Bee) was a series of networkable home computers by Applied Technology, which became publicly listed company MicroBee Systems Limited soon after its release. The original MicroBee computer was designed in Australia by a team including Owen Hill and Matthew Starr.
The MicroBee's most distinctive features are its user configurable video display (capable of mimicking the displays of other computers and devices including the TRS-80, Sorcerer and SOL20 with later colour and graphic models 40 and 80 column terminals, Super-80, ZX Spectrum, early arcade machines, Amstrad CPC 464) and its battery backed non-volatile RAM and small size allowing it to be powered off, transported, and powered back on and resume activities on the currently loaded program or document.
It was originally packaged as a two board unit with the lower "baseboard" containing all components except the system memory which was mounted on the upper "core board".
The original main board consisted of:
The original coreboards consisted of:
A floppy disk drive unit and S-100 bus expansion unit were available. They connected to a MicroBee by a 50 way ribbon cable to the System Expansion port.
The MicroBee had two networking options – BeeNet and StarNet. The BeeNet was a low cost low speed LAN (Local Area Network) for 16–32K ROM Models and the StarNet was for the 64K and larger DRAM models.
The BeeNet uses a bus topology that uses synchronous serial transfers. The StarNet uses a single star topology using dedicated 8-bit parallel data bus connections between the central hub and its remote spokes.