Amiga Processor Peripherals


40/4 Magnum

> Company: Computer System Associates, US
Date: 1991
Amiga: 2000
Interface: CPU slot
Autoconfig ID: 1058/17

Processor
68040 @ 25 / 33 MHz

Memory
four 72 pin SIMM sockets accept 64 MB RAM
supports 4 or 16 MB SIMMs (1M×32 resp. 4M×32)
SIMM sizes can be mixed
1 MB burstable static RAM, soldered to the board
32 bit feature connector for extra memory board adding up to 128 MB RAM
supports normal, page and burst modes

Fast SCSI 2 controller
NCR 53C710 controller IC
50 pin internal header
DB25 external connector
socketed resistors for SCSI termination
LED bank indicate SCSI bus activity
supported by NetBSD and OpenBSD

I/O
one DB25 RS422 compatible parallel port – plus one optional
one DB9 RS232 compatible serial port – plus two optional

Notes
LED bank indicate system bus activity
programmable EPROM
68000 fallback mode, selectable by jumper or software
pressing left mouse button during startup disables autoboot
Autoboot disable switch at slot cover
the board’s autoconfiguration can be disabled by jumper