EPOX COMPUTER CO., LTD.
P2-112A
| Device Type | Mainboard |
| Processor | Pentium II |
| Processor Speed | 200/233/266/300/333/400/450/500MHz |
| Chip Set | VIA |
| Maximum Onboard Memory | 384MB (EDO & SDRAM supported) |
| Cache | 256/512KB (located on the Pentium II CPU) |
| BIOS | Award |
| Dimensions | 330mm x 218mm |
| I/O Options | 32-bit PCI slots (5), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB ports (2), ATX power connector, AGP slot, SB-link connector, Wake-on-LAN connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP | PC speaker | J2/Pins 4 - 7 |
| ATX power connector | ATX | Power LED & keylock | J2/Pins 9 - 13 |
| PS/2 mouse port | CN1 | IR connector | J3/Pins 1 - 5 |
| USB port 1 | CN2 | IDE interface LED | J3/Pins 7 & 8 |
| USB port 2 | CN3 | Turbo LED | J3/Pins 9 & 10 |
| Parallel port | CN4 | Power switch | J3/Pins 12 & 13 |
| Serial port 1 | CN5 | CPU fan power | J4 |
| Serial port 2 | CN6 | Power supply fan | J5 |
| Floppy drive interface | CN7 | Chassis fan power | J6 |
| IDE interface 1 | CN8 | Wake-on-LAN connector | J7 |
| IDE interface 2 | CN9 | SB-link connector | J8 |
| Reset switch | J2/Pins 1 & 2 | 32-bit PCI slots | PC1 - PC5 |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
» |
CMOS memory normal operation | JP1 | Pins 1 & 2 closed |
| CMOS memory clear | JP1 | Pins 2 & 3 closed | |
» |
Power-on keyboard disabled | JP4 |
Pins 1 & 2 closed |
| Power-on keyboard enabled | JP4 |
Pins 2 & 3 closed |
|
» |
SDRAM clock speed set to match CPU clock | JP5 |
Pins 1 & 2 closed |
|
SDRAM clock speed set to match AGP clock | JP5 |
Pins 2 & 3 closed |
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
Bank 2 |
8MB |
(1) 1M x 64 |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
32MB |
(1) 4M x 64 |
None |
None |
32MB |
(1) 2M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
48MB |
(1) 4M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
64MB |
(1) 8M x 64 |
None |
None |
64MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
80MB |
(1) 8M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
96MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
128MB |
(1) 16M x 64 |
None |
None |
128MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
144MB |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
160MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
192MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
None |
256MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
384MB |
(1) 16M x 64 |
(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 |
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CPU speed |
Clock speed |
Multiplier |
JP3 |
200MHz |
66MHz |
3x |
1 & 2, 15 & 16 |
233Mhz |
66MHz |
3.5x |
3 & 4, 15 & 16 |
266MHz |
66MHz |
4x |
5 & 6, 15 & 16 |
300MHz |
66MHz |
4.5x |
7 & 8, 15 & 16 |
300MHz |
100MHz |
3x |
1 & 2, 21 & 22 |
333MHz |
66MHz |
5X |
9 & 10, 15 & 16 |
350MHz |
100MHz |
3.5x |
3 & 4, 21 & 22 |
400MHz |
100MHz |
4x |
5 & 6, 21 & 22 |
450MHz |
100MHz |
4.5x |
7 & 8, 21 & 22 |
500MHz |
100MHz |
5x |
9 & 10, 21 & 22 |
| Automatic CPU speed selection | 13 & 14 | ||
Note: Designated pins should be in the closed position |
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