AMERICAN MEGATRENDS, INC.
MARK V BABY SCREAMER
|
Processor |
80386DX |
|
Processor Speed |
25/33/40MHz |
|
Chip Set |
AMI |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, serial ports (2) |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
IDE interface LED |
J1 |
Turbo switch |
J38 |
|
External battery |
J2 |
Serial port 2 |
P1 |
|
Power LED & keylock |
J10 |
Serial port 1 |
P4 |
|
Speaker |
J11 |
Parallel port |
P5 |
|
Reset switch |
J12 |
Floppy interface |
P6 |
|
Diagnostic LED |
J13 |
IDE interface |
P7 |
|
Turbo LED |
J15 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
ROM access select 0 wait state |
J14 |
Closed | |
|
ROM access select 1 wait state |
J14 |
Open | |
|
BIOS type select 27256 |
J18 |
pins 1 & 2 closed | |
|
BIOS type select 27512 |
J18 |
pins 2 & 3 closed | |
|
Serial port COM2 select IRQ3 |
J21 |
pins 2 & 3 closed | |
|
Serial port COM2 select IRQ4 |
J21 |
pins 1 & 2 closed | |
|
Serial port COM1 select IRQ4 |
J22 |
pins 2 & 3 closed | |
|
Serial port COM1 select IRQ3 |
J22 |
pins 1 & 2 closed | |
|
Parallel port IRQ select IRQ7 |
J23 |
pins 2 & 3 closed | |
|
Parallel port IRQ select IRQ5 |
J23 |
pins 1 & 2 closed | |
|
Segment C800 shadow enabled |
J36 |
pins 2 & 3 closed | |
|
Segment C800 shadow disabled |
J36 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
SW1/1 |
Off | |
|
Monitor type select monochrome |
SW1/2 |
Off | |
|
Monitor type select color |
SW1/2 |
On | |
|
Video shadow enabled |
SW1/3 |
On | |
|
Video shadow disabled |
SW1/3 |
Off | |
|
ROM BIOS shadow enabled |
SW1/4 |
On | |
|
ROM BIOS shadow disabled |
SW1/4 |
Off | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 1 |
Bank 2 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
DRAM JUMPER/SWITCH CONFIGURATION | ||||||
|
Size |
J4 |
J5 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
1MB |
2 & 3 |
2 & 3 |
On |
On |
On |
On |
|
2MB |
2 & 3 |
2 & 3 |
On |
Off |
On |
On |
|
4MB |
2 & 3 |
1 & 2 |
On |
On |
On |
Off |
|
8MB |
2 & 3 |
1 & 2 |
On |
Off |
On |
Off |
|
16MB |
1 & 2 |
1 & 2 |
On |
On |
Off |
Off |
|
32MB |
1 & 2 |
1 & 2 |
On |
Off |
Off |
Off |
|
Note : Pins designated should be in the closed position. | ||||||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
TAG (U32) |
TAG (U38) |
|
64KB |
(10) 16K x 4 |
(1) 16K x 4 |
NONE |
|
256KB |
(10) 64K x 4 |
NONE |
(1) 64K x 4 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
J19 |
J20 |
J32 |
|
64KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
|
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
J35 |
J37 |
|
25MHz |
pins 2 & 3 closed |
Open |
|
33MHz |
pins 2 & 3 closed |
Open |
|
40MHz |
pins 1 & 2 closed |
Closed |