NIAGARA SMD TECHNOLOGY, INC.
NT928 S4
Processor |
Pentium |
Processor Speed |
75/90/100/120/133/150/180/200MHz |
Chip Set |
Intel |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB (EDO supported) |
Maximum Video Memory |
None |
Cache |
256/512KB |
BIOS |
Award/Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), SCSI connectors (2), parallel port, PS/2 mouse interface, serial ports (2), VRM connector, cache slot, IR connector |
NPU Options |
None |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Reset switch |
CN4 pins 1 & 2 |
Wide SCSI-2 connector |
J8 |
Turbo switch |
CN4 pins 3 & 4 |
Parallel port |
J9 |
Green PC connector |
CN4 pins 6 & 7 |
Fast SCSI-2 connector |
J10 |
Turbo LED |
CN4 pins 8 & 9 |
SCSI interface LED |
J11 |
Speaker |
CN4 pins 11 - 14 |
Serial port |
J12 |
Power LED & keylock |
CN4 pins 16 - 20 |
Serial port |
J13 |
IDE interface |
CN5 |
IDE interface LED |
J14 |
IDE interface |
CN6 |
VRM connector |
J15 |
Chassis fan power |
CN7 |
PS/2 mouse interface |
J22 |
IR connector |
J6 |
32-bit PCI slots |
PC1 - PC3 |
Floppy drive interface |
J7 |
Cache slot |
SL1 |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
» |
Parallel IOCHRDY enabled |
JP5 |
Pins 1 & 2 closed |
Parallel IOCHRDY disabled |
JP5 |
Open | |
» |
Parallel port IRQ select IRQ7 |
JP8 |
Pins 1 & 2 closed |
Parallel port IRQ select IRQ5 |
JP8 |
Pins 2 & 3 closed | |
» |
On board I/O enabled |
JP9 |
Open |
On board I/O disabled |
JP9 |
Closed | |
SCSI chip enabled |
JP10 |
Pins 1 & 2 closed | |
SCSI chip disabled |
JP10 |
Pins 2 & 3 closed | |
Flash BIOS voltage select 12v |
JP20 |
Pins 1 & 2, 5 & 6 closed | |
Flash BIOS voltage select 5v |
JP20 |
Pins 2 & 3, 5 & 6 closed | |
Flash BIOS or EPROM installed |
JP20 |
Pins 2 & 3, 4 & 5 closed | |
» |
Jumper information unavailable |
JP25 |
N/A |
» |
SCSI type select SCSI - 2 |
JP26 |
Open |
SCSI type select wide SCSI - 2 |
JP26 |
Closed | |
» |
Jumper information unavailable |
JP42 |
N/A |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
DRAM CONFIGURATION (CON’T) | ||
Size |
Bank 0 |
Bank 1 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
Note: Board accepts EDO memory. The orientation of the banks is unidentified. |
CACHE CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
TAG |
SL1 |
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K x 8 |
Not installed |
256KB (B) |
None |
None |
None |
Installed |
512KB (A) |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 16K x 8 |
Not installed |
512KB (B) |
None |
None |
None |
Installed |
CACHE JUMPER CONFIGURATION | |
Size |
JP29 |
None |
Open |
256KB (A) |
Pins 1 & 2 closed |
512KB (A) |
Pins 2 & 3 closed |
CACHE TYPE CONFIGURATION | ||
Type |
JP34 |
JP35 |
Asynchronous |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Burst |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pipeline burst |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
CPU SPEED SELECTION | |
Speed |
JP14 |
75MHz |
Pins 1 & 2 closed |
90MHz |
Pins 3 & 4 closed |
100MHz |
Pins 5 & 6 closed |
120MHz |
Pins 7 & 8 closed |
133MHz |
Pins 9 & 10 closed |
150MHz |
Pins 11 & 12 closed |
180MHz |
Pins 13 & 14 closed |
200MHz |
Pins 15 & 16 closed |
CPU TYPE SELECTION | |
Type |
JP16 |
P54C/CS/CT |
Pins 1 & 2 closed |
P55C/CT |
Pins 2 & 3 closed |
CPU VOLTAGE SELECTION | ||||
Voltage |
JP43 |
JP44 |
JP45 | |
3.4v |
Open |
Open |
Closed | |
» |
3.5v |
Open |
Closed |
Open |
3.6v |
Closed |
Open |
Open |
CPU VRM SELECTION | |||
Setting |
JP39 |
JP40 |
JP41 |
VRM not installed |
Closed |
Closed |
Closed |
VRM installed |
Open |
Open |
Open |
DMA CHANNEL SELECTION | |||
Channel |
JP3 |
JP4 | |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
» |
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
SERIAL PORT INTERRUPT SELECTION | ||||
IRQ |
JP1 |
JP2 |
JP6 |
JP7 |
IRQ3 (serial port 2) |
Pins 1 & 2 closed |
N/A |
N/A |
N/A |
IRQ4 (serial port 1) |
N/A |
Pins 2 & 3 closed |
N/A |
N/A |
IRQ10 (serial port 1) |
N/A |
N/A |
Pins 2 & 3 closed |
N/A |
IRQ10 (serial port 2) |
N/A |
N/A |
Pins 1 & 2 closed |
N/A |
IRQ11 (serial port 1) |
N/A |
N/A |
N/A |
Pins 2 & 3 closed |
IRQ11 (serial port 2) |
N/A |
N/A |
N/A |
Pins 1 & 2 closed |
IDE INTERRUPT SELECTION | ||
IRQ |
JP11 |
JP12 |
IRQ14 (primary) |
Pins 1 & 2 closed |
N/A |
IRQ15 (secondary) |
N/A |
Pins 1 & 2 closed |
TERMINATION SELECTION | |
Setting |
JP13 |
Terminator always on |
Pins 1 & 2 closed |
Terminator always off |
Open |
Terminator controlled by BIOS |
Pins 2 & 3 closed |