VISIONTOP TECHNOLOGY
P2-EX (AT FORM FACTOR)
| Device Type | Mainboard |
| Processor | Pentium II |
| Processor Speed | 233/266/300/333MHz |
| Chip Set | Intel 440EX |
| Maximum Onboard Memory | 256MB (EDO & SDRAM supported) |
| Cache | 256/512KB (located on the Pentium II CPU) |
| BIOS | Award |
| Dimensions | 220mm x 230mm |
| I/O Options | 16-bit ISA slots (2), 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel interface, PS/2 mouse interface, AT keyboard connector, serial interfaces (2), IR connectors (2), USB interface, ATX power connector, AGP slot, Wake-on-LAN connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP |
IR connector | CN13 |
| ATX power connector | ATX |
Wake-on-LAN connector | CN14 |
| PS/2 mouse interface | CN1 | Turbo switch | CN15/Pins 1 - 3 |
| AT keyboard connector | CN2 | Reset switch | CN15/Pins 5 & 6 |
| Serial interface 1 | CN3 | IDE interface LED | CN15/Pins 8 & 9 |
| Serial interface 2 | CN4 | IR connector | CN15/Pins 10 - 14 |
| Parallel interface | CN5 | Power switch | CN15/Pins 15 & 16 |
| USB interface | CN6 | Turbo LED | CN15/Pins 17 & 18 |
| Floppy drive interface | CN7 | Power LED & keylock | CN15/Pins 20 - 24 |
| IDE interface 1 | CN8 | Speaker | CN15/Pins 26 - 29 |
| IDE interface 2 | CN9 | Green PC connector | CN15/Pins 31 & 32 |
| CPU fan power | CN10 | 16-bit ISA slots | IS1-IS2 |
| Power fan power | CN11 | 32-bit PCI slots | PC1 - PC3 |
| Chassis fan power | CN12 | ||
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
» |
CMOS memory normal operation | JP1 | Pins 2 & 3 closed |
| CMOS memory clear | JP1 | Pins 1 & 2 closed | |
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
8MB |
(1) 1M x 64 |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
16MB |
(1) 2M x 64 |
None |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
32MB |
(1) 4M x 64 |
None |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
64MB |
(1) 8M x 64 |
None |
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) 8M x 64 |
(1) 8M x 64 |
128MB |
(1) 16M x 64 |
None |
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 supports EDO & SDRAM memory. | ||
CACHE CONFIGURATION |
| Note: 256KB/512KB cache is located on the Pentium II CPUs. |
CPU SPEED SELECTION (PENTIUM II) |
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CPU speed |
Clock speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
233MHz |
66MHz |
3.5x |
On | Off | Off |
266MHz |
66MHz |
4x |
Off | On | On |
300MHz |
66MHz |
4.5x |
Off | On | Off |
333MHz |
66MHz |
5x |
Off | On | Off |