PCB Top
PCB Fan close-up
PCB chips, close-up
RAM sockets
PCB back
Fan
Box
Box front
Box back
Box side
Manual
Hi Res version, PCB Top
- 1998 x 1830, 611K
Hi Res version, PCB Fan close-up
- 3252 x 2592, 1,245K
Hi Res version, RAM sockets
- 3882 x 2334, 956K
Hi Res version, PCB back
- 2598 x 2112, 760K
Hi Res version, Fan
- 3108 x 2592, 1,103K
Hi Res version, Box
- 3030 x 2316, 913K
Hi Res version, Box front
- 2664 x 2118, 862K
Hi Res version, Box back
- 2862 x 2370, 1,130K
Hi Res version, Box side
- 2934 x 2178, 785K
Hi Res version,
- 2004 x 2016, 610K
Hi Res version, Manual
- 2262 x 2232, 740K

 

Processor: 040@28Mhz, 040@33Mhz or 040@35Mhz
FPU: Internal
MMU: Internal
Max Ram: 32MB
Ram Type: 4 x 30pin SIMM slots (Supports Static Column, Fast Page of Nibble RAM)

In order to use this card, you require at least Kickstart 2.04.

Jumpers

There are 5 banks of jumpers on the Mercury as follows.
(O = Open, X = Closed)

Jumper bank A (Memory Speed)

 

33Mhz 28Mhz Bank A
40ns 60ns X X
60ns 80ns X O
80ns 100ns O X

Jumper bank B (Memory Configuration)

 

Memory 1MB x 8 4MB x 8 Bank 0 Bank 1 Jumpers
0MB NONE NONE NONE NONE O X X X
4MB 4 NONE 1MB x 8 NONE O X O X
8MB 8 NONE 1MB x 8 1MB x 8 O X O O
16MB NONE 4 4MB x 8 NONE O O X O
20MB 4 4 4MB x 8 1MB x 8 O O O X
20MB 4 4 1MB x 8 4MB x 8 O O X X
32MB NONE 8 4MB x 8 4MB x 8 O O O O

Jumper Bank C (Processor Settings)

 

Jumper Open Closed
C1 Use the 040 on the accelerator (default) Use the motherboard processor
C2 Cache Disabled Cache Enabled (default)
C3 Off-Board Burst Mode Enabled Off-Board Burst Mode Disabled (default)
C4 On-Board Burst Mode Enabled On-Board Burst Mode Disabled (default)

Jumper bank D

 

Jumper Open Closed
D1 (Default) DO NOT CLOSE
D2 Fast ROM Enabled (default) Fast ROM Disabled
C3 Off-Board Burst Mode Enabled Off-Board Burst Mode Disabled (default)
C4 On-Board Burst Mode Enabled On-Board Burst Mode Disabled (default)

Jumper bank E is reserved.

 

Page contributors: Jan Pedersen, Thomas Newsom
Updated: 3/11/2013 . Added: 12/22/2004