ENPC TECHNOLOGY CORPORATION
EP-PI11 (REV. 1.0)
| Device Type | Mainboard |
| Processor | CX 6X86/CX M2/AM K5/AM K6/Pentium/Pentium MMX |
| Processor Speed | 90/100/120/133/150/166/180/200/233/300/333/366MHz |
| Chip Set | VIA |
| Maximum Onboard Memory | 256MB (FP, EDO, & SDRAM supported) |
| Cache | Unidentified |
| BIOS | Award |
| Dimensions | 220mm x 230mm |
| I/O Options | 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel interface, PS/2 mouse interface, serial interfaces (2), IR connector, USB interfaces (2), ATX power connector, AGP slot, Wake-on-LAN/Modem connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP |
Wake-on-Modem connector | J3/Pins 1 & 2 |
| ATX power connector | ATX |
Wake-on-LAN connector | J3/Pins 2 & 3 |
| Serial interface 1 | CN1 | PS/2 mouse interface | J4 |
| Serial interface 2 | CN2 | IR connector | J5 |
| Parallel interface | CN3 | Speaker | JP4/Pins 1, 3, 5 & 7 |
| Floppy drive interface | CN4 | IDE interface LED | JP4/Pins 2 & 4 |
| IDE interface 1 | CN5 | Turbo LED | JP4/Pins 6 & 8 |
| IDE interface 2 | CN6 | Power LED & keylock | JP4/Pins 9, 11, 13, 15 & 17 |
| CPU fan power | CN7 | Power switch | JP4/Pins 10 & 12 |
| USB interface 1 | CN8 | Reset switch | JP4/Pins 18 & 20 |
| USB interface 2 | CN9 | 32-bit PCI slots | PC1 - PC3 |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
| » | Factory configured - do not alter | JCK4 | Unidentified |
» |
CMOS memory normal operation | JP7 | Pins 1 & 2 closed |
| CMOS memory clear | JP7 | Pins 2 & 3 closed | |
| Keyboard power on disabled | JP8 | Pins 1 & 2 closed | |
|
Keyboard power on enabled | JP8 | Pins 2 & 3 closed |
| » | Flash BIOS voltage selection +5V | JP9 | Pins 1 & 2 closed |
| Flach BIOS voltage selection +12V | JP9 | Pins 2 & 3 closed | |
SIMM CONFIGURATION |
|
Size |
Bank 0 |
8MB |
(2) 1M x 36 |
16MB |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
128MB |
(2) 16M x 36 |
| Note: Board accepts EDO memory. Note: Do not mix SIMM and DIMM memory. |
|
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
16MB |
(1) 2M x 64 |
None |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
32MB |
(1) 4M x 64 |
None |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
64MB |
(1) 8M x 64 |
None |
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 |
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. Note: Do not mix SIMM and DIMM memory. |
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CLOCK SPEED SELECTION |
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CPU Speed |
PCI Speed | AGP Speed | JCK1 | JCK2 | JCK3 |
60MHz |
30MHz | 60MHz | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
66.8MHz |
33.4MHz | 66.8MHz | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
68.5MHz |
34.25MHz | 68.5MHz | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
75MHz |
37.5MHz | 75MHz | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
75MHz |
30MHz | 60MHz | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
83.3MHz |
33.3MHz | 66.6MHz | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
90MHz |
30MHz | 60MHz | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
100MHz |
33.3MHz | 66.6MHz | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
CPU MULTIPLIER SELECTION |
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Multiplier |
JP1 | JP2 | JP3 |
1.5x |
Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
2x |
Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
2.5x |
Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
3x |
Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
| 3.5x | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
| 4x | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
| 4.5x | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
| 5x | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
| 5.5x | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
CPU VOLTAGE SELECTION |
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Voltage |
JP10 | JP11 | JP12 | JP13 | JP14 |
| 2.2V | Open | Closed | Open | Open | Open |
| 2.5V | Closed | Open | Closed | Open | Open |
| 2.6V | Open | Closed | Closed | Open | Open |
| 2.7V | Closed | Closed | Closed | Open | Open |
| 2.8V | Open | Open | Open | Closed | Open |
| 2.9V | Closed | Open | Open | Closed | Open |
| 3.0V | Open | Closed | Open | Closed | Open |
| 3.1V | Closed | Closed | Open | Closed | Open |
| 3.2V | Open | Open | Closed | Closed | Open |
| 3.3V | Closed | Open | Closed | Closed | Open |
| 3.4V | Open | Closed | Closed | Closed | Open |
MISCELLANEOUS TECHNICAL NOTES |
P rocessor speeds listed include the speeds available for the Cyrix 6X86MX CPU, which is synonymous with the Cyrix M2 CPU. |