Kolff Computer Supplies Power PC Board - Amiga Hardware Database

Company Kolff Computer Supplies, Netherlands	Date 1990	Amiga A500 A2000	- -	Interface trapdoor slot Zorro II	Autoconfig ID 767 / 0

Company

Kolff Computer Supplies, Netherlands

Date

1990

Amiga

A500
A2000

-
-

Interface

trapdoor slot
Zorro 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