Amiga Hardware DatabaseManufacturer “Amitech”
3 expansions in database
Manufacturer Alcotini / Amitech, Denmark | Date 1990 | Amiga A500 | Interface trapdoor slot, Gary socket, CPU slot |
- Memory Expansion
- expansion adds up to 512 kB ChipRAM and up to 2 MB FastRAM
- sixteen DIP sockets
- supports 256k×4 DIPs (514256), ≤ 100 ns
- accepts DIPs in groups of four giving 0.5, 1, 1.5 or 2 MB configurations
- battery backed up clock
- disable switch (set to disable board)
- the main board connects to the trapdoor slot
- comes with Gary and CPU adapter, which is required for 2 MB RAM - without it, the memory expansion is limited to 512 kB (no Gary or CPU adapter) or to 1.8 MB (only Gary adapter, no CPU board)
- with A500 Rev. 5 boards and Fat Agnus 8372, 512 kB memory can be used as ChipMem, resulting in 1 MB Chip memory in total - for that, both CPU and Gary adaptor boards are necessary
- DIP switch settings
| 1 | 2 | CPU | RAM Configuration |
| OFF | OFF | OFF | 0.5 MB FastRAM |
| ON | OFF | OFF | 1.0 MB FastRAM |
| OFF | ON | OFF | 1.5 MB FastRAM |
| ON | ON | OFF | 2.0 MB FastRAM |
| OFF | OFF | ON | 0.5 MB ChipRAM |
| ON | OFF | ON | 0.5 MB ChipRAM + 0.5 MB FastRAM |
| OFF | ON | ON | 0.5 MB ChipRAM + 1.0 MB FastRAM |
| ON | ON | ON | 0.5 MB ChipRAM + 1.5 MB FastRAM |
Advert (DK)
1990-05
Advert (DK)
1990-12
Advert (DK)
1992-07
Manufacturer Alcotini / Amitech, Denmark | Date 1990 | Amiga A500 | Interface trapdoor slot |
- Memory Expansion
- 512 kB RAM (Ranger RAM)
- four 256k×1 DIPs, soldered to the board
- battery backed up realtime clock
- connects to the trapdoor slot
Advert (DK)
1990-05
Manufacturer Alcotini / Amitech, Denmark | Date 1989 | Amiga any Amiga | Interface parallel port, serial port |
- Sound Sampler
- digitises audio in 8 bit stereo
- uses the ZN449E A/D converter
- sampling rate: ≥ 100 kHz
- 3.5mm stereo jack audio input for line level and microphone signals
- line level sensitivity: 0.775 V
- microphone input for Electret microphone
- individual audio level potentiometer for each channel
- input switch for microphone or line level input
- peak meter for each channel - red LED, lights up when the signal clips (distorts)
- VU meter, displays the current signal level for each channel during sampling/monitoring (green LED)
- mono/stereo switch
- connects to the Amiga via the parallel and serial ports
- hardware is supported by Perfect Sound, Aegis AudioMaster, DSound
- Future Sound, Dela Sound and Datel Sample Editor programs require the prior start of PEAK_ON tool
- Notes
- this expansion is sold as StarSound by Starvision International, supplied with different software
top side
- AlcotiniSampler-22.dms
Tool Disk
Perfect Sound v2.2
582 kB
Advert (DK)
1990-05
Advert (DK)
1990-12
Advert (DK)
1991-10
Advert (DK)
1992-07