Amiga Hardware DatabaseManufacturer “Kolff Computer Supplies”
2 expansions in database
Manufacturer Kolff Computer Supplies, Netherlands | Date 1990 | Amiga A500A2000 | - - | Interface trapdoor slotZorro II | Autoconfig ID 767 / 0 |
- IBM XT emulation
- A500: connects to the trapdoor connector
- Zorro II: the same A500 version is connected to a Zorro II adapter card
- Power PC Board v1:
- NEC V30 @ 8 MHz processor
- does not support hard drives, only floppy drives
- revision 1 boards can be identified by board label "P25-41"
- Power PC Board v2:
- NEC V30 @ 10 MHz processor
- supports HD controllers but a special driver is necessary
- software revision 2.90 supports the following HD controllers: A.L.F. (OMTI), A590 (OMTI, SCSI), Golem HD3000 (OMTI), Profex HD3000 (OMTI), Winner I (OMTI), F.S.E. (OMTI), Rex Datentechnik (OMTI), SupraDrive 500XP (SCSI), GVP A500+ (SCSI)
- much faster video emulation (CGA)
- revision 1 boards can be identified by board label "P25-42"
- 1 MB RAM:
- 704 kB free RAM in MGA/CGA mode
- 640 kB free RAM in EGA/VGA mode
- 200 kB extra memory for a reset proof MS-DOS RAM disk
- the RAM can be used by the Amiga as 512 kB Fast RAM and an additional 512 kB RAM disk
- the board can use the Amiga's Fast RAM (up to 8 MB) as PC memory
- does not multitask with the Amiga
- uses the Amiga internal serial port with up to 19200 bit/s
- uses the Amiga floppy controller and parallel port
- video:
- up to 640×480 in 16 colours
- MGA 720×348
- CGA 640/320×200
- software emulated flicker-fixer in any PC interlace mode
- battery backed up clock
- emulated PC sound card
- not compatible with NTSC Amigas
Zorro adapter Rev 1.2 with Power PC Board Rev 2, front side
Zorro adapter Rev 1.2 with Power PC Board Rev 2, back side
Rev 1, front side
- PowerPC-45.dms
install disk v4.5
637 kB
Advert (GB)
1990-07
Advert (FR)
1990-07
Advert (DE)
1990-12
Advert (GB)
1991-05
Advert (US)
1991-11
Advert (GB)
1991-12
Advert (DE)
1991-12
Advert (US)
1992-04
Advert (GB)
1993-01
Advert (US)
1990-08
Manufacturer Kolff Computer Supplies, Netherlands | Date 1991 | Amiga A500, A500+, A600A2000, A3000, A4000 | - - | Interface trapdoor slotZorro II | Autoconfig ID 767 / 0 |
- IBM XT emulation
- A500, A500+: connects to the trapdoor connector
- A600: installed in a plastic case under the A600, which is connected to the trapdoor slot with a short ribbon cable and adaptor board
- Zorro II: the A500 version is connected to a Zorro II adapter card
- NEC V30 @ 10 MHz processor
- 1 MB RAM:
- 704 kB free RAM in MGA/CGA mode
- 640 kB free RAM in EGA/VGA mode
- 200 kB extra memory for a reset proof MS-DOS RAM disk
- in PC mode the board can use up to 8 MB of Amiga Fast RAM as PC memory
- in Amiga mode the 1 MB RAM acts as Amiga RAM:
- A500: 512 kB Chip RAM or 512 kB Fast RAM + 512 kB RAM disk
- A500+, A600: 1 MB Chip RAM
- A2000, A3000: 1 MB Fast RAM
- if an Amiga has 8 MB Fast RAM installed, the Power PC Board supplies 512 Kb of Extra RAM only
- does not multitask with the Amiga
- uses the Amiga internal serial port, up to 38400 bit/s on a standard A500
- uses the printer connected to the parallel port
- uses the Amiga mouse and joystick
- can use four Amiga floppy disk drives as PC disk drives, supports both 3.5 and 5.25" drives
- most Amiga hard disk controllers are supported
- video:
- MGA (Hercules): 720×348 in 2 colours
- CGA: 640×200 in 2 colours or 320×200 in 4 colours from a palette of 16
- EGA: 640×350 in 16 colours from a palette of 64
- VGA: 640×480 in 16 colours from a palette of 4096
- software emulated flicker-fixer in any PC interlace mode
- Adlib and SoundBlaster sound card emulation
- battery backed up clock for A500 and A600
front side
back side
Advert (GB)
1993-01