NIAGARA SMD TECHNOLOGY, INC.
NT924
Processor |
Pentium |
Processor Speed |
75/90/100/120/133/150/166MHz |
Chip Set |
Intel |
Maximum Onboard Memory |
128MB (EDO DRAM supported) |
Cache |
256/512KB |
BIOS |
Award/Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VRM connector, cache slot |
NPU Options |
None |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
IDE interface 1 |
IDE1 |
PS/2 mouse interface |
J10 |
IDE interface 2 |
IDE2 |
Floppy drive interface |
J11 |
Power LED & keylock |
J1 |
Serial port 1 |
J13 |
Speaker |
J2 |
Serial port 2 |
J14 |
Reset switch |
J3 |
Parallel port |
J15 |
Turbo switch |
J4 |
IDE interface LED |
JP5 |
Turbo LED |
J5 |
32-bit PCI slots |
PC1 - PC4 |
Green PC LED |
J6 |
VRM connector |
VRM |
Chassis fan power |
J7 |
Cache slot |
SL1 |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
|
On board I/O enabled |
J24 |
Open |
On board I/O disabled |
J24 |
Closed | |
|
IDE interface 1 IRQ select IRQ14 |
JP2 |
Pins 1 & 2 closed |
IDE interface 1 IRQ select none |
JP2 |
Pins 2 & 3 closed | |
|
IDE interface 2 IRQ select IRQ15 |
JP3 |
Pins 1 & 2 closed |
IDE interface 2 IRQ select none |
JP3 |
Pins 2 & 3 closed | |
|
Flash BIOS voltage select 5v |
JP6 |
Pins 1 & 2 closed |
Flash BIOS voltage select 12v |
JP6 |
Pins 2 & 3 closed | |
|
Jumper information unavailable |
JP13 |
N/A |
|
Jumper information unavailable |
JP14 |
N/A |
|
Keyboard clock speed select 8MHz |
JP15 |
Pins 1 & 2 closed |
Keyboard clock speed select 12MHz |
JP15 |
Pins 2 & 3 closed |
DRAM | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 32 |
None |
16MB |
(2) 2M x 32 |
None |
16MB |
(2) 1M x 32 |
(2) 1M x 32 |
24MB |
(2) 2M x 32 |
(2) 1M x 32 |
24MB |
(2) 1M x 32 |
(2) 2M x 32 |
32MB |
(2) 4M x 32 |
None |
32MB |
(2) 2M x 32 |
(2) 2M x 32 |
40MB |
(2) 4M x 32 |
(2) 1M x 32 |
40MB |
(2) 1M x 32 |
(2) 4M x 32 |
48MB |
(2) 4M x 32 |
(2) 2M x 32 |
48MB |
(2) 2M x 32 |
(2) 4M x 32 |
64MB |
(2) 8M x 32 |
None |
64MB |
(2) 4M x 32 |
(2) 4M x 32 |
DRAM (CONT) | ||
Size |
Bank 0 |
Bank 1 |
72MB |
(2) 8M x 32 |
(2) 1M x 32 |
72MB |
(2) 1M x 32 |
(2) 8M x 32 |
80MB |
(2) 8M x 32 |
(2) 2M x 32 |
80MB |
(2) 2M x 32 |
(2) 8M x 32 |
96MB |
(2) 8M x 32 |
(2) 4M x 32 |
96MB |
(2) 4M x 32 |
(2) 8M x 32 |
128MB |
(2) 8M x 32 |
(2) 8M x 32 |
Note: Board accepts EDO memory. Board also accepts x 36 SIMMs. |
CACHE SIZE | |||
Size |
Bank 0 |
TAG |
SL1 |
256KB (A) |
(8) 32K x 8 |
(1) 8K/16K x 8 |
Not installed |
256KB (B) |
None |
None |
Installed |
512KB (A) |
(8) 64K x 8 |
(1) 16k/32K x 8 |
Not installed |
512KB (B) |
None |
None |
Installed |
CACHE JUMPER | |
Size |
JP10 |
256KB (A/B) |
Pins 1 & 2 closed |
512KB (A/B) |
Pins 2 & 3 closed |
CPU SPEED | |||||
Setting |
J25 |
JP7 |
JP9 |
JPS1 |
JPS2 |
75MHz |
1 & 2 |
2 & 3 |
2 & 3 |
Open |
Open |
90MHz |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
Open |
100MHz |
2 & 3 |
2 & 3 |
2 & 3 |
Closed |
Closed |
120MHz |
2 & 3 |
1 & 2 |
2 & 3 |
Closed |
Open |
133MHz |
2 & 3 |
1 & 2 |
2 & 3 |
Closed |
Closed |
150MHz |
2 & 3 |
1 & 2 |
1 & 2 |
Closed |
Open |
166MHz |
2 & 3 |
1 & 2 |
1 & 2 |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CPU TYPE | |
Setting |
JP1 |
P54C |
Pins 1 & 2 closed |
P55C |
Pins 2 & 3 closed |