MOTOROLA, INC.
ATXPII PLUS
| Device Type | Mainboard |
| Processor | Pentium II (2) |
| Processor Speed | 233/266/300/333MHz |
| Chip Set | Intel 440LX |
| Audio Chip Set | Unidentified |
| Maximum Onboard Memory | 512MB (EDO & SDRAM supported) |
| Maximum Audio Memory | Unidentified |
| Cache | 256/512KB (located on the CPU) |
| BIOS | Unidentified |
| Dimensions | 327mm x 305mm |
| I/O Options | 16-bit ISA slots (2), 32-bit PCI slots (4), AGP slot, ATX power connector, audio in - CD ROM, floppy drive interface, IDE interfaces (2), IR connector, parallel port, line in (2), line out, microphone in, PS/2 keyboard port, PS/2 mouse port, RJ-45 Ethernet connector, SanDisk IDE FlashDrive connector, SCSI interfaces (2), serial interface, serial ports (2), USB interface, USB ports (2), Watchdog timer interface |

CONNECTIONS |
|||
Purpose |
Location |
Purpose |
Location |
| Line in | J1 | Power supply fan power | J24 |
| Microphone in | J2 | Floppy drive interface | J27 |
| Line out | J3 | Watchdog timer programming interface | J28 |
| Audio in - CD ROM | J4 | ATX power connector | J29 |
| PS/2 keyboard port | J5A | IDE interface 1 | J30 |
| PS/2 mouse port | J5 | IDE interface 2 | J31 |
| Serial port 2 | J6 | SanDisk IDE FlashDrive connector | J32 |
| Serial port 1 | J6A | Chassis intrusion connector | J36 |
| USB port 2 | J7 | IR connector | J41 |
| USB port 1 | J7A | Reset connector | J43 |
| RJ-45 Ethernet connector | J8 | USB interface | J46 |
| Parallel port | J9 | ROM emulator board interface (reserved) | J47 |
| Line in interface | J10 | 16-bit ISA slot 2 | J51 |
| 16-bit ISA slot 1 | J11 | Wide SCSI interface | J52 |
| Serial interface | J12 | Narrow SCSI interface | J53 |
| Ethernet LED connector | J13 | Green PC LED | J54/Pins 1 - 3 |
| 32-bit PCI slots | J14 - J17 | Power switch | J54/Pins 8 & 9 |
| Intel test port (reserved) | J18 | IDE interface LED | J54/Pins 12 - 15 |
| AGP slot | J19 | Power LED | J54/Pins 17 & 19 |
| System fan power | J21 | Keylock | J54/Pins 21 & 22 |
| CPU2 fan power | J22 | External speaker | J54/Pins 23 & 26 |
| CPU1 fan power | J23 | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| » | USB port 2 (J7) selected | J25 | Pins 1 & 3, 2 & 4, 9 & 10 closed |
| USB interface (J46) selected | J25 | Pins 3 & 5, 4 & 6, 7 & 8 closed | |
| » | Watchdog timer disabled | J26 | Open |
| Watchdog timer enabled | J26 | Closed | |
» |
CMOS memory normal operation | J37 | Pins 2 & 3 closed |
| CMOS memory clear | J37 | Pins 1 & 2 closed | |
| » | Speaker output is alarm beeps | J40 | Pins 3 & 5, 4 & 6 closed |
| Speaker output is mono audio out | J40 | Pins 1 & 3, 2 & 4 closed | |
| » | Onboard battery selected | J45 | Pins 1 & 2 closed |
| External battery selected | J45 | Open | |
| » | Onboard speaker selected | J54 | Pins 25 & 26 closed |
| External speaker selected | J54 | Pins 25 & 26 open | |
DIMM CONFIGURATION |
||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
8MB |
(1) 1M x 64 |
None |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
None |
16MB |
(1) 2M x 64 |
None |
None |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
None |
32MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
None |
32MB |
(1) 4M x 64 |
None |
None |
None |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
None |
64MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
None |
64MB |
(1) 8M x 64 |
None |
None |
None |
80MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
None |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
128MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
None |
128MB |
(1) 16M x 64 |
None |
None |
None |
144MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
160MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
None |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
256MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
None |
None |
256MB |
(1) 32M x 64 |
None |
None |
None |
272MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
288MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
320MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
None |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
512MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
| Note: Board supports EDO & SDRAM memory. | ||||
CACHE CONFIGURATION |
| Note: 256/512KB cache is located on the Pentium II CPU. |
GREEN LED/POWER LED SELECTION |
||
LEDs |
J33 |
|
| » | Common cathode | Pins 2 & 3 closed |
| Common anode | Pins 1 & 2 closed | |
| Dual function | Open | |
FLASH BOOT BLOCK SELECTION |
|||
Setting |
J38 | J39 | |
| » | Write to boot block disabled | Closed | Pins 1 & 2 closed |
| Write to boot block enabled | Open | Open | |
Note: J38 write protects the boot block. J39 informs BIOS whether boot block can be written to. |
|||
CPU SPEED SELECTION |
||||||
CPU Speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
233MHz |
3.5x |
Off |
Off |
On |
On |
|
| 266MHz | 4.0x | On | On | Off | On | |
| » | 300MHz | 4.5x | Off | On | Off | On |
| 333MHz | 5.0x | On | Off | Off | On | |
MISCELLANEOUS TECHNICAL NOTES |
When only 1 processor is used, a termination card should be installed into the CPU2 slot. |