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Micro-A1

Micro-A1 board

Developer: Teron
Distributor: Eyetech
Launch date: 2004
Discontinued: -

The AmigaOne is a PPC motherboard capable of running Amiga OS4.x. The -A1-C and -A1-I are a refinement of the first generation AmigaOne ATX motherboards, based upon the Teron Mini. They continue to use the same northbridge (ArticiaS) found in the ATX models, but resolve some of the issues identified with these boards. These motherboards use the same processor, but differ in the expansion potential. Most notably, the motherboard size has been reduced to comply with the mini-ITX specification (170mm x 170mm) and several new components have been integrated. On-board peripherals include USB, IEEE 1394 (Firewire), ATA133, Gbit/100/10 Ethernet, 5.1 6-channel surround sound, SVGA, SVHS and composite video output and the usual array of legacy connectors (games, 2x serial, parallel).
Two AmigaOne mini-ITX motherboards are currently available:

  • -A1-C: a mini-ITX board intended for the consumer market
  • -A1-I: a mini-ITX board intended for industrial use
The -A1-C is shipped with a 750Fx @800 MHz cpu module on a standard AmigaOne MegArray connector, and a single SODIMM socket populated with 256MB. Graphics are provided by an onboard Radeon 7000 with 32MB memory. The -A1-C is shipped with a G3 CPU modules to limit power consumption and avoid cooling problems. Upgrade CPU modules, such as the MPC7447 CPU, may be made available when low power G4 processors are available that can be ordered by Amiga retailers at a reasonable price for small quantities.

The -A1-I provides additional peripherals that are not found in the -A1-C. Most notably, the expansion slot is PCI0104 compatible, allowing multiple expansion cards to be used simultaneously. The board also incorporates 256MB of on-board memory plus an expansion SODIMM socket, passive cpu cooling and a Compact Flash slot, common in digital cameras.

Technical Specifications

Item -A1-C -A1-I
Physical size (mm) mini-ITX 170 x 170 mini-ITX 170 x 170
CPU type 750Fx (G3) (fan cooled) 750Gx (G3) 800Mhz (passively cooled)/td>
CPU clock 800Mhz 800Mhz
CPU Mounting A1 Megaarray Soldered onboard
FSB 133Mhz 133Mhz
Chipset (north) Articia-S Articia-S
Chipset (south) VIA 82C686B N/A
Onboard memory 0 Mb 256Mb
Memory slots 1x SODIMM (Sold with 256Mb module) 1x SODIMM
Maximum memory 2Gb 2Gb
AGP slot none (AGP in PCI mode on riser card) none (AGP in PCI mode on riser card)
PCI Slots 1 (1-3 with riser card) 1 (1-3 with riser card)
I/O expansion None PCI-104 compatible connector
IDE Controller Integrated VIA 686B ATA100 controller. 40 & 44 way headers Sil0680 ATA133 controller. 40 & 44 way headers. Bootable CF slot
Ethernet 3COM 920C 10/100 controller RTL8110 Gb/100/10 controller
Sound CM!8738 6-channel 5.1 surround sound with CDROM, front audio on headers CM!8738 6-channel 5.1 surround sound with CDROM, front audio on headers
Firewire (IEEE 1394) none 2 rear panel sockets
USB 1.1, 2 external, 2 internal 1.1, 2 external, 2 internal
Onboard gfx Ati Radeon 7000 32MB Ati Radeon 7000 32MB
Gfx outputs SVGA, S-Video, Composite SVGA, S-Video, Composite
Legacy I/O ports PS/2 Mouse, PS/2 keyboard, Game, Parallel, Serial (Internal) PS/2 Mouse, PS/2 keyboard, Game, Parallel, 2x Serial (Internal), IRDA (internal)

The above table was produced by 'Origin' of the AmigaWorld.net forum and remains the copyright of the author. The table is reproduced here for informational purposes only.

Relevant links
AmigaOne Comparison table
AmigaOne ATX motherboards

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Last Update: 08/04/2006

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