ENPC TECHNOLOGY CORPORATION
EP-MZ21 (REV. A)
| Device Type | Mainboard |
| Processor | Celeron |
| Processor Speed | 300/333MHz |
| Chip Set | Intel 440ZX |
| Audio Chip Set | ESS |
| Maximum Onboard Memory | 256MB (SDRAM supported) |
| Maximum Audio Memory | Unidentified |
| Cache | 0/128KB (located on the Celeron CPU) |
| BIOS | Award |
| Dimensions | 244mm x 200mm |
| I/O Options | 32-bit PCI slots (3), floppy drive interface, game/MIDI port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB ports (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in - CD-ROMs (2), Wake on LAN connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP |
Floppy drive interface | CN13 |
| ATX power connector | ATX |
Chassis fan power | CN14 |
| PS/2 mouse port | CN1 | CPU fan power | CN15 |
| USB port 1 | CN2 | IR connector | CN16 |
| USB port 2 | CN3 | Audio in - CD-ROM 1 | CN17 |
| Parallel port | CN4 | Audio in - CD-ROM 2 | CN18 |
| Serial port 2 | CN5 | Reset switch | CN19/Pins 1 & 2 |
| Serial port 1 | CN6 | Power switch | CN19/pins 5 & 6 |
| Game/MIDI port | CN7 | Turbo LED | CN19/Pins 7 & 8 |
| Line out | CN8 | IDE interface LED | CN19/Pins 9 & 10 |
| Line in | CN9 | Speaker | CN19/Pins 11-14 |
| Microphone in | CN10 | Power LED & keylock | CN19/Pins 15-19 |
| IDE interface 1 | CN11 | Wake on LAN connector | CN20 |
| IDE interface 2 | CN12 | 32-bit PCI slots | PC1 - PC3 |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
| » | CMOS memory normal operation | J9 | Pins 1 & 2 closed |
| CMOS memory clear | J9 | Pins 2 & 3 closed | |
| CPU clock speed 66MHz | J11 | Closed | |
| CPU clock speed 100MHz | J11 | Open | |
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 SDRAM memory. | ||
CACHE CONFIGURATION |
| Note: 256KB/512KB cache is located on the Pentium II CPUs. 128KB cache is located on the Celeron 300A and greater CPUs. |
ON-BOARD AUDIO SELECTION |
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Setting |
J6 | J7 |
| Enabled | Closed | Closed |
| Disabled | Open | Open |