http://www.nationalamiga.com/a-1200.html (Amiga Plus Extra No. 5/97, 05/1997)
Amiga 1200 Technical Information
Amiga 1200 Technical Information
KICKSTARTS:
3.0 All C= Amiga 1200's shipped with 3.0 ROMs
3.1 This is available as an upgrade
ROM chips are a pair of 40 pin DIPs.
CPU:
68020 at 14MHz
FPU:
none
CHIPS:
Lisa
Alice
Paula - Standard Paula
Budgie
(I'm actually kinda unsure about the 1200/4000 chipset)
RAM:
CHIP RAM 2 megabytes on the motherboard
FAST RAM None.
PORTS:
15KHz Video
External Disk drive
Parallel Port
Serial Port
Mouse/Joystick ports
Left and Right RCA Audio
SLOTS:
1 PCMCIA Type-II Slot on the left side
1 Trapdoor Expansion slot on the bottom for Accelerator/RAM
MOTHERBOARD REVISIONS:
REV 1D.4
Budgie REV -01
Remove E123C and E125C from the A1200 motherboard
Budgie REV -02
Remove E123C and E125C from the A1200 motherboard
Remove XR358 470 ohm pull-up resistor
Add 470 ohm pull up resistor at pin 43 of U, ie the Alice chip
REV 2B
Budgie REV -01 and -02
Remove E123C and E125C from the A1200 motherboard
Add 470 ohm pull-up at pin 43 of U2, ie the Alice chip
Change R118 from 470 ohm to 220 ohm
(more, unknown)
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