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prototype and evaluation components

NatAmi LX

  • evaluation Baseboard

    • first board developed as NatAmi base and ONLY as NatAmi
    • evaluation board to verify hardware and peripheral design concepts
    • a short overview
    • this board features the evaluation of:
      • serial port, parallel port, ps/2 keyboard, ps/2 mouse, floppy disk, joystick ports
      • 31kHz video out, 15kHz video out, 15kHz video in
      • audio in, audio out
      • SyncZorro, PCI, 2.5" IDE, 3.5" IDE
      • simple (1.1) USB
      • 128MB chip ram (max), 128MB fast ram (max)
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NatAmi16 LX board

1193 x 866
Size: 148.446
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NatAmi16 LX board

1150 x 960
Size: 183.608
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NatAmi16 LX board

1220 x 803
Size: 176.342
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Baseboard and CPU

1196 x 890
Size: 141.664
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Baseboard with CPU

1272 x 822
Size: 110.803

NAe60F

  • processor expansion card

    • Motorola MC68060FE processor (SMD dark ceramic EC version)
    • 4MByte no-waitstate SRAM
    • Kickstart flash memory
    • Serial port debug interface
    • SynchronousZorro connector
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MC68060FE CPU card

1280 x 9257
Size: 97862
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MC68060FE CPU card

1280 x 884
Size: 138142
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like advertising

1128 x 1131
Size: 163500
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Serial Monitor

668 x 470
Size: 11602

NAe60R

  • processor expansion card

    • Motorola MC68060RC processor (PGA ceramic version)
    • 4MByte no-waitstate SRAM
    • Kickstart flash memory
    • Serial port debug interface
    • SynchronousZorro connector
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MC68060RC CPU card

1693 x 1017
Size: 545376
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assembled RC card

1024 x 668
Size: 68827
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assembled RC card

1024 x 611
Size: 63859
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Serial Monitor

668 x 470
Size: 13637


pre-versions and proof of concept

NatAmi 30

  • early experimental prototype

  • Processor

    • 33MHz PCI card with hand wired processor A
    • MC68030 @ 33MHz
    • 4MByte DRAM
    • serial debug interface with hardware monitor
    • about 99 single soldered wires

  • Mainboard

    • adapted C-Cone mainboard
    • main functionality split into two FPGAs
    • 8MByte DRAM SIMM, 2MByte were used as Chipram
    • several extra wires added to increase interconnection between main FPGAs
    • one FPGA upgraded
    • Main clock @28MHz but memory only @ 4MHz
    • 16bit video out

  • Features

    • 2MB chip ram, 2MB fast ram, 0.5MB Kickstart WOM, 0.5MB $C0-fast ram
    • CIAs fully implemented
    • Amiga Keyboard and Mouse support
    • Amiga Floppy DD/HD disk read with common PC Floppy drive
    • A1200/A4000 IDE controller with PIO-Mode0 support
    • ECS Screen resolutions up to 640x480 non-interlace
    • AGA Colour depth up to 256 colours
    • four Audio channels
    • three (out of eight) sprites

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C-ONE top

2272 x 1704
Size: 1993250
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C-ONE bottom

2272 x 1704
Size: 1950184
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PCI 68030

2272 x 1704
Size: 1969091
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