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Inboard 1000 |
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Company
Spirit Technology, USA | | Date
1987 | | Amiga
A1000
| | Interface
68000 socket
| | Autoconfig ID
2034 / 1
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FastRAM expansion
- 48 DIP sockets accept up to 1.5 MB RAM
- supports 256k×1 DIPs, 120 - 150 ns
- accepts DIPs in groups of 16 giving 0.5, 1 or 1.5 MB configurations
- banks have to be filled beginning from bank 0
- connects into the 68000 socket
- the 68000 is replaced onto the board
- battery backed-up clock
- two clips have to be connected to the DPALEN (A1000 NTSC version) resp. PALEN (international version) PAL chip to provide the OVR* and *XRDY signals to the expansion
- does not really autoconfig its memory - it recognizes the installed amount, but places the memory outside of the autoconfig space
Jumper Settings
- JP1-JP3 OFF: 1.5 MB with Autoconfig (banks 012)
- JP1-JP2 OFF, JP3 ON: 1.0 MB with Autoconfig (banks 01)
- JP1 OFF, JP2-JP3 ON: 0.5 MB with Autoconfig (bank 0)
- JP1-JP3 ON: no Autoconfig (memory has to be added with AddMem)
Photo
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front side
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front side
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