AMERICAN MEGATRENDS, INC.
ATLAS VIP
|
Processor |
Pentium |
|
Processor Speed |
90/100MHz |
|
Chip Set |
American Megatrends |
|
Max. Onboard DRAM |
128MB |
|
Cache |
256/512KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots (3), 32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse port |
J2 |
Power LED & keylock |
J40 |
|
Serial port 2 |
J5 |
Reset switch |
J42 |
|
Serial port 1 |
J6 |
IDE interface LED |
J44 |
|
External battery |
J7 |
Turbo switch |
J46 |
|
Floppy drive interface |
J8 |
Turbo LED |
LED 1 |
|
Parallel port |
J9 |
32-bit PCI slots |
PC1 - PC3 |
|
IDE interface |
J10 |
32-bit VESA Local bus slots |
SL1 & SL2 |
|
Speaker |
J36 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Factory configured - do not alter |
J11 |
Closed |
|
|
Factory configured - do not alter |
J12 |
Open |
|
|
Factory configured - do not alter |
J14 |
Open |
|
|
Factory configured - do not alter |
J15 |
Open |
|
|
Factory configured - do not alter |
J17 |
Open |
|
|
Factory configured - do not alter |
J18 |
Open |
|
|
Factory configured - do not alter |
J22 |
Open |
|
|
Factory configured - do not alter |
J23 |
Open |
|
|
Flash BIOS write protect enabled |
J24 |
Closed |
|
Flash BIOS write protect disabled |
J24 |
Open | |
|
|
Serial port 1 IRQ select IRQ4 |
J27 |
pins 1 & 2 closed |
|
Serial port 1 IRQ select IRQ3 |
J27 |
pins 2 & 3 closed | |
|
|
Parallel port IRQ select IRQ7 |
J29 |
pins 1 & 2 closed |
|
Parallel port IRQ select IRQ5 |
J29 |
pins 2 & 3 closed | |
|
|
Serial port 2 IRQ select IRQ3 |
J30 |
pins 1 & 2 closed |
|
Serial port 2 IRQ select IRQ4 |
J30 |
pins 2 & 3 closed | |
|
|
Onboard mouse IRQ12 enabled |
J31 |
pins 1 & 2 closed |
|
Bus mouse IRQ12 enabled |
J31 |
pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
J35 |
pins 1 & 2 closed |
|
CMOS memory clear |
J35 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
J45 |
Closed |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 36 |
NONE |
|
4MB |
(2) 512K x 36 |
NONE |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
|
8MB |
(2) 1M x 36 |
NONE |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
|
16MB |
(2) 2M x 36 |
NONE |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
32MB |
(2) 4M x 36 |
NONE |
|
34MB |
(2) 256K x 36 |
(2) 4M x 36 |
|
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 8M x 36 |
NONE |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
256KB |
(8) 32K x 8 |
(1) 32K x 8 |
|
512KB |
(8) 64K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
J13 |
J16 |
J20 |
|
256KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
512KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | |
|
Speed |
J43 |
|
60/66/90i/100iMHz |
Open |
|
50/100iMHz |
Closed |
|
3.3 VOLT POWER SOURCE CONFIGURATION | ||
|
Description |
J19 |
J21 |
|
RG 1 regulator not used |
Open |
Open |
|
Single regulator used |
pins 1 & 2, 3 & 4, 5 & 6 closed |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
PARALLEL PORT DMA CONFIGURATION | ||
|
DMA channel |
J28 |
J34 |
|
None |
Open |
Open |
|
DRQ0 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
DRQ1 |
pins 3 & 4 closed |
pins 3 & 4 closed |
|
DRQ3 |
pins 5 & 6 closed |
pins 5 & 6 closed |