ID #2964

Phase 5: Blizzard 1230 Mk-III

Connection: Trapdoor Slot (A1200)

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Picture of the card with the optional SCSI controller
Picture of the card with the optional SCSI controller

Processor:EC030@40Mhz or 030@50Mhz
FPU:Optional 68882. (Some versions are PGA, others are PLCC)
MMU:None in EC030s, Internal in full 030s
Max Ram:32MB
Ram Type:1 x 72pin SIMM slots.

An accelerator which plugs into the trapdoor slot of the A1200. An optional Fast SCSI-II controller is also available. The card has a MapRom jumper for copying Kickstart into Fast RAM for improved performance.


There are only 3 jumpers on the card. There are two twp-pin jumpers for disabling the MAPROM and MMU and one three pin jumper to select the clock source for the maths co processor.


------------------------------------------
| |
| 1 |
| |
| ------ |
| | | 2 3 |
| | | |
| ------ --------------------------
| |
| |
| |
| |
---------------

1 = "MAPROM OFF" (MAPROM ON = not fitted)
2 = "MMU OFF" (ec030 = fitted, Full 030 = not fitted)
3 = "FPU CLK SRC" (right = synchronous/CPU XTAL, left = asynchronous/FPU XTAL)

Contributions to this page by:
Alexander Holland, Jens Schröder, Stephan Neise, Tomas Gärdh

Letzte Änderung des Artikels: 2009-01-25 09:21
Revision: 1.0

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