NIAGARA SMD TECHNOLOGY, INC.
NT944
Processor | IBM 6X86/CX M1/AM K5/Pentium |
Processor Speed | 75/90/100/120/133/150/166/180/200MHz |
Chip Set | Intel |
Video Chip Set | None |
Maximum Onboard Memory | 512MB (EDO supported) |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | Award/Phoenix |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), serial port, cache slot, IR connector, USB connector |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
IDE interface 2 | CN1 | IR connector | J26 |
IDE interface 1 | CN2 | Power LED & keylock | JP27 pins 1 - 5 |
PS/2 mouse port | J2 | Turbo LED | JP27 pins 7 & 17 |
Serial port | J5 | Reset switch | JP27 pins 8 & 18 |
Serial port | J6 | IDE interface LED | JP27 pins 10 & 20 |
Floppy drive interface | J7 | Speaker | JP27 pins 11 - 14 |
Chassis fan power | J9 | 32-bit PCI slots | PC1 – PC4 |
Parallel port | J21 | Cache slot | SL1 |
USB connector | J22 | ||
Note: The location of J9 is unidentified. |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | CMOS memory normal operation | JP2 | Open |
CMOS memory clear | JP2 | Closed | |
» | Flash BIOS voltage select 5v | JP3 | Pins 1 & 2 closed |
Flash BIOS voltage select 12v | JP3 | Pins 2 & 3 closed | |
» | Factory configured - do not alter | JP4 | Closed |
» | Factory configured - do not alter | JP6 | Closed |
» | Factory configured - do not alter | JP7 | Closed |
» | Factory configured - do not alter | JP8 | Closed |
» | Factory configured - do not alter | JP9 | Unidentified |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
8MB | (2) 512K x 36 | (2) 512K x 36 |
8MB | (2) 1M x 36 | None |
10MB | (2) 256K x 36 | (2) 1M x 36 |
12MB | (2) 512K x 36 | (2) 1M x 36 |
16MB | (2) 2M x 36 | None |
16MB | (2) 1M x 36 | (2) 1M x 36 |
18MB | (2) 256K x 36 | (2) 2M x 36 |
20MB | (2) 512K x 36 | (2) 2M x 36 |
24MB | (2) 2M x 36 | (2) 1M x 36 |
32MB | (2) 4M x 36 | None |
32MB | (2) 2M x 36 | (2) 2M x 36 |
34MB | (2) 256K x 36 | (2) 4M x 36 |
DRAM CONFIGURATION (CON’T) | ||
Size | Bank 0 | Bank 1 |
36MB | (2) 512K x 36 | (2) 4M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 |
64MB | (2) 8M x 36 | None |
64MB | (2) 4M x 36 | (2) 4M x 36 |
66MB | (2) 256K x 36 | (2) 8M x 36 |
68MB | (2) 512K x 36 | (2) 8M x 36 |
72MB | (2) 8M x 36 | (2) 1M x 36 |
80MB | (2) 8M x 36 | (2) 2M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 |
128MB | (2) 16M x 36 | None |
130MB | (2) 256K x 36 | (2) 16M x 36 |
132MB | (2) 512K x 36 | (2) 16M x 36 |
136MB | (2) 16M x 36 | (2) 1M x 36 |
144MB | (2) 16M x 36 | (2) 2M x 36 |
160MB | (2) 16M x 36 | (2) 4M x 36 |
192MB | (2) 16M x 36 | (2) 8M x 36 |
256MB | (2) 32M x 36 | None |
256MB | (2) 16M x 36 | (2) 16M x 36 |
258MB | (2) 256K x 36 | (2) 32M x 36 |
260MB | (2) 512K x 36 | (2) 32M x 36 |
264MB | (2) 32M x 36 | (2) 1M x 36 |
272MB | (2) 32M x 36 | (2) 2M x 36 |
288MB | (2) 32M x 36 | (2) 4M x 36 |
320MB | (2) 32M x 36 | (2) 8M x 36 |
384MB | (2) 32M x 36 | (2) 16M x 36 |
512MB | (2) 32M x 36 | (2) 32M x 36 |
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. |
CACHE CONFIGURATION | ||
Size | Bank 0 | SL1 |
256KB | (2) 32K x 32 | Not installed |
512KB | (2) 32K x 32 | 256KB module installed |
CACHE JUMPER CONFIGURATION | ||||
Size | JP10 | JP11 | JP12 | JP13 |
256KB | Open | Open | Closed | Open |
512KB (A) | Closed | Closed | Open | Closed |
CPU SPEED SELECTION (IBM) | |||||||
CPU speed | Clock speed | Multiplier | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 |
120MHz | 50MHz | 1.5x | On | On | Off | Off | Off |
150MHz | 60MHz | 1.5x | On | Off | Off | Off | Off |
CPU SPEED SELECTION (CYRIX) | |||||||
CPU speed | Clock speed | Multiplier | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 |
120MHz | 50MHz | 1.5x | On | On | Off | Off | Off |
150MHz | 60MHz | 1.5x | On | Off | Off | Off | Off |
CPU SPEED SELECTION (INTEL) | |||||||
CPU speed | Clock speed | Multiplier | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 |
75MHz | 50MHz | 1.5x | On | On | Off | Off | Off |
90MHz | 60MHz | 1.5x | On | Off | Off | Off | Off |
100MHz | 66MHz | 1.5x | Off | On | Off | Off | Off |
120MHz | 60MHz | 2x | On | Off | On | Off | Off |
133MHz | 66MHz | 2x | Off | On | On | Off | Off |
150MHz | 60MHz | 2.5x | On | Off | On | On | Off |
166MHz | 66MHz | 2.5x | Off | On | On | On | Off |
180MHz | 60MHz | 3x | On | Off | Off | On | Off |
200MHz | 66MHz | 3x | Off | On | Off | On | Off |
CPU TYPE SELECTION | |
Type | JP21 |
IBM 6X86 | All pins closed |
IBM M2 | All pins open |
CX M1 | All pins closed |
CX M2 | All pins open |
AM 5K86 | All pins closed |
AM K5 | All pins open |
P54C | All pins closed |
P55C | All pins open |
CPU VOLTAGE SELECTION | ||
Voltage | JP5 | |
3.3v | Pins 1 & 2 closed | |
» | 3.45v | Pins 3 & 4 closed |
3.6v | Pins 5 & 6 closed |