Everything You Always Wanted To Know
But Were Too Polite To Ask
Amiga Technical References
Amiga 500 Series Technical Information
ROM chip was a 40-pin DIP.
68000 at 7.14MHz
Denise - 8362 Denise
Paula - Standard Paula
Agnus - 8370 for REV3 and 5 Motherboard
8372A in REV6 Motherboard
8375 in REV7 Motherboard (500+)
Gary - Fat Gary
CHIP RAM 512k on motherboard
512k in trapdoor expansion can be converted to CHIP RAM by
FAST RAM none shipped with machine.
The 512k expansion in the trapdoor configures as FAST RAM
but only runs as fast as CHIP RAM due to the bus limitation.
Maximum autoconfigging RAM in this slot is 2.3 MEG.
External Disk drive
5-pin Square DIN Power Port
Left and Right RCA Audio
1 86-pin external expansion slot on the left for hard-drives, RAM
expansion, digitizers, etc.
1 Trapdoor RAM expansion underneath
5 8370 Agnus
6 8372A 1 Meg Agnus
8A Amiga 500+ 8375 Agnus and 8373 SuperDenise
Copyright © 2000 Amiga Auckland Inc. All rights reserved.
Revised: August 14, 2005.