IDE controller
- uses polled I/O, not DMA transfer
- RDB compatible
- 40 and 44 pin internal IDE headers
- place for a 3.5" hard disk inside the case
- uses the same autoboot ROMs as the BSC AT-Bus 508 / 2008
- can use the same partitioning software as the AT-Bus series (HDInstTools)
memory
- two SIMM sockets accept up to 8 MB RAM
- supports 2, 4, 6 or 8 MB configurations
notes
- connects to the side expansion port, no passthrough connector
- RAM and HD can be disabled by switch on the back of the case
- connector for the optional external power supply, though it can use power from the A500
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