Amiga Hardware DatabaseManufacturer “Ameristar Technologies”
4 expansions in database
Manufacturer Ameristar Technologies, USA | Date 1992 | Amiga A3000, A4000 | Interface Zorro III | Autoconfig ID 1053 / 20 |
- RTG graphics card
- Weitek 91460 pipelined graphics processor
- 180 MHz dot clock
- 100 million pixels/s drawing rate
- direct support for X-Windows drawing modes
- 170 MHz Brooktree RAMDAC
- 2 MB 32 bit RAM, sixteen ZIPs
- screen modes
- programmable resolutions from 640×480 to 1600×1280 non-interlaced
- 256 colours from the 16 million palette
- notes
- double shielded D connector with internal coax cables - ends in BNC and VGA connectors
- software support for A3000UX Unix system
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1992-06
Manufacturer Ameristar Technologies, USA | Date 1993 | Amiga A2000, A3000, A4000 | Interface Zorro II | Autoconfig ID 1053 / 10 |
- Ethernet interface
- SMSC Ethernet chip
- supports 10BaseT, Thick AUI, 10Base2 connections
- 10 Mbit/s transfer speed
- 64 kB packet buffer
- diagnostic LED for link and collision status
- ROM socket for network boot application
- SANA II compatible
- supported by NetBSD and OpenBSD
front side
back side
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1994-10
Manufacturer Ameristar Technologies, USA | Date 1988 | Amiga A2000, A3000, A4000 | Interface Zorro II | Autoconfig ID 1053 / 9 |
- Arcnet interface
- Arcnet networking system - old, slow but cheap and reliable, useful for small LANs and simple network sharing
- Arcnet requires RG62 coaxial cable instead of the RG58 used on Ethernet systems
- uses 93 ohm terminators opposed to the 50 ohm used by Ethernet
- the Arcnet interface hybrid chip comes in two different versions, HCY 9058 for bus networks and HCY 9068 for star networks
- interrupt driven (polled I/O) - one interrupt on the Amiga yields into a busy system
- two sockets for optional network autoboot ROMs
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1987-04
Manufacturer Ameristar Technologies, USA | Date 1988 | Amiga A2000, A3000, A4000 | Interface Zorro II | Autoconfig ID 1053 / 1 |
- Ethernet interface
- AMD Am7990 Ethernet controller
- 10 Mbit/s transfer speed
- 32 kB buffer shared between the Am7990 and the Amiga
- uses DMA transfers for the onboard buffer
- 10Base2 (BNC) and 10Base5 (DB15 AUI) connectors
- no direct support for 10BaseT
front side
back side
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1988-06