Amiga Hardware DatabaseManufacturer “Ralf Jochheim Computer Tuning”
4 expansions in database
Manufacturer Ralf Jochheim Computer Tuning, Germany | Date 1991 | Amiga A2000 | Autoconfig ID 2052 / 32 |
- plugs into the CPU direct slot of the Commodore A2630 or IVS Vector
- 64 ZIP sockets for up to 32 MB RAM
- supports 1M×4 ZIPs
- accepts ZIPs in groups of eight (4 MB increments)
- RAM disable and autoconfig disable jumpers with status LEDs
front side
back side
front side
- Access32.pdf
Bedienungsanleitung / german user manual
1641 kB
- Access32.dms
tool disk
58 kB
Advert (DE)
1991-11
Advert (DE)
1992-05
Advert (DE)
1992-11
Manufacturer Ralf Jochheim Computer Tuning, Germany | Date 1989 | Amiga A2000, A3000, A4000 | Interface Zorro II | Autoconfig ID 2052 / 1 |
- 64 DIP sockets accept 8 MB RAM
- accepts DIPs in groups of sixteen giving 2, 4, 6 or 8 MB configurations
- accepts 1M×1 DIPs only, 70 - 100 ns
- the amount of RAM is set by two PALs, each configuration uses a different pair
- 2 or 4 MB - PALs labeled as 1.2/4 and 2.2/4
- 6 or 8 MB - 1.6/8 and 2.6/8
- the card was also distributed by Keller Elektronik with its own set of PALs
- 2 MB only - PALs labeled as 1.2 and 2.2
- 2 or 4 MB - 1.4 and 2.4
- 4 or 6 MB - 1.6 and 2.6
- 6 or 8 MB - 1.8 and 2.8
- all four PALs are bundled with the card
- no waitstates
- autoconfig disable jumper
- memory disable jumper
front side
back side
front side
- CA2000_01.pdf
Bedienungsanleitung
194 kB
Advert (DE)
1990-05
Advert (DE)
1990-12
Advert (DE)
1991-11
Manufacturer Ralf Jochheim Computer Tuning, Germany | Date 1989 | Amiga A500 | Interface trapdoor slot | Autoconfig ID 2050 / 1 |
- four DIP sockets with 512 kB RAM
- 256k×4 DIPs
- connects to the trapdoor slot
- battery backed up clock
- disable jumper
front side
Advert (DE)
1991-11
Manufacturer Ralf Jochheim Computer Tuning, Germany | Date 1990 | Amiga A2000, A3000, A4000 | Interface video slot |
- flicker fixer
- max 832×620 resolution
- PAL and NTSC compatible
- 768 kB DRAM
- non-standard DB9 EGA connector, requires a special cable
- digital RGB output with header on board
- works in the A4000 but only in 12 bit (4096 colours), no AGA and ECS compatibility
- not compatible with genlocks
front side
back side
front side
front side
- HighgraphV.pdf
user manual (german)
287 kB - HighgraphV_Letter.pdf
letter about Highgraph problems and Update Package (german)
204 kB
Advert (DE)
1990-05
Advert (DE)
1990-12