MOTOROLA, INC.
NLXP55
Device Type |
Mainboard |
Processor |
Pentium MMX |
Processor Speed |
233/266/300MHz |
Chip Set |
Intel 430HX |
Video Chip Set |
Cirrus Logic |
Maximum Onboard Memory |
256MB (EDO supported) |
Maximum Video Memory |
Unidentified |
Cache |
512KB |
BIOS |
Unidentified |
Dimensions |
284mm x 229mm |
I/O Options |
Ethernet 10BaseT connector, floppy drive interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, USB connector, line in, line out, microphone in |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Line out |
J1 |
VMI host port connector |
J25 |
Line in |
J2 |
PS/2 mouse port |
J27 |
Microphone in |
J3 |
VGA feature connector |
J28 |
CompactFlash connector |
J5 |
PCI debug connector |
J32 |
Auxiliary connector |
J8 |
Parallel port |
J33A |
Ethernet 10BaseT connector |
J9 |
VGA port |
J33B |
USB connector |
J14 |
Serial port 1 |
J33C |
Serial port 2 |
J18 |
PCI debug connector |
J34 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
CompactFlash device select master |
J4 |
Closed |
CompactFlash device select slave |
J4 |
Open | |
» |
Battery not installed |
J6 |
Pins 2 & 3 closed |
Battery installed |
J6 |
Pins 1 & 2 closed | |
» |
Speaker tone enabled |
J7 |
Pins 2 & 3 closed |
NLX modem tone enabled |
J7 |
Pins 1 & 2 closed | |
» |
GIO2 signal enabled |
J10 |
Open |
GIO2 signal disabled |
J10 |
Closed | |
» |
CMOS memory normal operation |
J12 |
Open |
CMOS memory clear |
J12 |
Closed | |
» |
Speaker enabled |
J13 |
Closed |
Speaker disabled |
J13 |
Open | |
» |
GIO0 signal enabled |
J15 |
Open |
GIO0 signal disabled |
J15 |
Closed | |
» |
Boot block write protect disabled |
J16 |
Pins 2 & 3 closed |
Boot block write protect enabled |
J16 |
Pins 1 & 2 closed | |
» |
Flash BIOS write protect disabled |
J17 |
Open |
Flash BIOS write protect enabled |
J17 |
Closed | |
» |
Standard PC tone enabled |
J20 |
Pins 3 & 5, 4 & 6 closed |
Tone from audio IC enabled |
J20 |
Pins 1 & 3, 2 & 4 closed | |
» |
Watchdog timer disabled |
J26 |
Open |
Watchdog timer enabled |
J26 |
Closed | |
» |
On board video enabled |
J29 |
Open |
On board video disabled |
J29 |
Closed |
USER CONFIGURABLE SETTINGS (CON’T) | |||
Function |
Label |
Position | |
» |
Video port device not installed |
J30 |
Open |
Video port device installed |
J30 |
Closed | |
» |
VGA feature connector enabled |
J31 |
Closed |
VGA feature connector disabled |
J31 |
Open |
DIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
32MB |
(1) 4M x 64 |
None |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 8M x 64 |
None |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
128MB |
(1) 16M x 64 |
None |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
Note: Board accepts EDO memory. |
CACHE CONFIGURATION |
Note: The location of the cache is unidentified. |
VIDEO MEMORY CONFIGURATION |
Note: The location of the video memory is unidentified. |
CPU SPEED SELECTION | |||||
CPU speed |
Clock speed |
Multiplier |
J22 |
J23 |
J24 |
233MHz |
66MHz |
3.5x |
Open |
Open |
Open |
266MHz |
66MHz |
4x |
Closed |
Open |
Closed |
300MHz |
66MHz |
4.5x |
Closed |
Closed |
Closed |
CPU VOLTAGE SELECTION | ||
Voltage |
J11 | |
2.2v |
Pins 3 & 4 closed | |
» |
2.8v |
Pins 7 & 8 closed |