ACER, INC.
P2ZXB
| Device Type | Mainboard |
| Processor | Celeron/Pentium II |
| Processor Speed | 233/266/300/333/350/366/400/450/500MHz |
| Chip Set | Intel 440ZX |
| Maximum Onboard Memory | 512MB (EDO & SDRAM supported) |
| Cache | 0/128/256/512KB (located on the CPU) |
| BIOS | Award |
| Dimensions | 220mm x 210mm |
| 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 port, serial interfaces (2), USB interface, ATX power connector, AT power connector, AGP slot, Wake-on-LAN connector, SB-Link connector, IR connector |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP |
IDE interface 2 | CN12 |
| AT power connector | AT | SB-Link connector | CN13 |
| ATX power connector | ATX |
Green PC LED | CN14/Pins 1 & 2 |
| AT keyboard port | CN1 | Reset switch | CN14/Pins 3 & 4 |
| PS/2 mouse interface | CN2 | IDE interface LED | CN14/Pins 6 & 7 |
| USB interface | CN3 | Power switch | CN14/Pins 9 & 10 |
| Serial interface 2 | CN5 | Green PC connector | CN14/Pins 11 & 12 |
| Serial interface 1 | CN6 | Power LED & keylock | CN14/Pins 14-18 |
| Parallel interface | CN7 | Speaker | CN14/Pins 20-23 |
| Floppy drive interface | CN8 | 16-bit ISA slots | IS1-IS2 |
| CPU fan power | CN9 | 32-bit PCI slots | PC1 - PC3 |
| Chassis fan power | CN10 | IR connector | SIR |
| IDE interface 1 | CN11 | Wake-on-LAN connector | WOL |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
» |
CMOS memory normal operation | JRTC | Pins 2 & 3 closed |
| CMOS memory clear | JRTC | 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 |
256MB |
(1) 32M x 64 |
None |
264MB |
(1) 32M x 64 |
(1) 1M x 64 |
272MB |
(1) 32M x 64 |
(1) 2M x 64 |
288MB |
(1) 32M x 64 |
(1) 4M x 64 |
320MB |
(1) 32M x 64 |
(1) 8M x 64 |
384MB |
(1) 32M x 64 |
(1) 16M x 64 |
512MB |
(1) 32M x 64 |
(1) 32M x 64 |
| Note: Board supports EDO & 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. |
CPU SPEED SELECTION (CELERON) |
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CPU speed |
Clock speed |
Multiplier |
JF0 |
JF1 |
JF2 |
JFSB |
| 300MHz | 66MHz | 4.5x | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
| 333MHz | 66MHz | 5x | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
| Note:
Pins designated should be in the closed position. Note: Clock speed may be set to auto-detect by leaving JFSB open. |
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CPU SPEED SELECTION (PENTIUM II) |
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CPU speed |
Clock speed |
Multiplier |
JF0 |
JF1 |
JF2 |
JFSB |
| 233MHz | 66MHz | 3.5x | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
| 266MHz | 66MHz | 4x | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
| 300MHz | 66MHz | 4.5x | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
| 333MHz | 66MHz | 5x | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
| 350MHz | 100MHz | 3.5x | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
| 366MHz | 66MHz | 5.5x | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
| 400MHz | 100MHz | 4x | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
| 450MHz | 100MHz | 4.5x | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 |
| Note:
Pins designated should be in the closed position. Note: Clock speed may be set to auto-detect by leaving JFSB open. |
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