ACER, INC.
AP5C
Processor | Pentium |
Processor Speed | 75/90/100/120/133MHz |
Chip Set | Intel |
Max. Onboard DRAM | 128MB |
Cache | 256/512KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | Parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), green PC connector |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | CN1 | Chassis fan power | CN12 |
Serial port 1 | CN2 | Power LED & keylock | CN14 pins 1 - 5 |
Serial port 2 | CN3 | Speaker | CN14 pins 7 - 10 |
Floppy drive interface | CN4 | Green PC LED | CN14 pins 12 - 13 |
IDE interface 2 | CN5 | Green PC connector | CN14 pins 15 - 17 |
IDE interface 1 | CN6 | Reset switch | CN14 pins 19- 20 |
IDE interface LED | CN7 | 32-bit PCI slots | PC1 - PC4 |
Chassis fan power | CN11 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | On board I/O enabled | JP5 | pins 1 & 2 closed |
On board I/O disabled | JP5 | pins 2 & 3 closed | |
» | PS/2 mouse enabled (mouse is optional & may not be present) | JP6 | Closed |
PS/2 mouse disabled (mouse is optional & may not be present) | JP6 | Open | |
Flash BIOS voltage select 5v | JP13 | pins 1 & 2 closed | |
Flash BIOS voltage select 12v | JP13 | pins 2 & 3 closed | |
» | CMOS memory normal operation | JP15 | pins 1 & 2 closed |
CMOS memory clear | JP15 | pins 2 & 3 closed | |
DRAM CONFIGURATION | |||
Size | Bank 0 | Bank 1 | Bank 2 |
8MB | (2) 1M x 36 | NONE | NONE |
16MB | (2) 1M x 36 | (2) 1M x 36 | NONE |
24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 |
32MB | (2) 2M x 36 | (2) 1M x 36 | (2) 1M x 36 |
32MB | (2) 2M x 36 | (2) 2M x 36 | NONE |
32MB | (2) 4M x 36 | NONE | NONE |
40MB | (2) 2M x 36 | (2) 2M x 36 | (2) 1M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 | NONE |
48MB | (2) 4M x 36 | (2) 1M x 36 | (2) 1M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 | NONE |
56MB | (2) 4M x 36 | (2) 2M x 36 | (2) 1M x 36 |
64MB | (2) 4M x 36 | (2) 4M x 36 | NONE |
64MB | (2) 8M x 36 | NONE | NONE |
72MB | (2) 8M x 36 | (2) 1M x 36 | NONE |
80MB | (2) 8M x 36 | (2) 1M x 36 | (2) 1M x 36 |
80MB | (2) 8M x 36 | (2) 2M x 36 | NONE |
88MB | (2) 8M x 36 | (2) 2M x 36 | (2) 1M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 | NONE |
104MB | (2) 8M x 36 | (2) 4M x 36 | (2) 1M x 36 |
112MB | (2) 8M x 36 | (2) 2M x 36 | (2) 4M x 36 |
128MB | (2) 8M x 36 | (2) 4M x 36 | (2) 4M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 | NONE |
CACHE CONFIGURATION | ||
Size | Bank 0 | TAG |
256KB | (8) 32K x 8 | (1) 32K x 8 |
512KB | (8) 64K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |
Size | JP12 |
256KB | pins 1 & 2 closed |
512KB | pins 2 & 3 closed |
CACHE VOLTAGE JUMPER CONFIGURATION | ||
Type | JP14 | JP16 |
3.3v | All Off | All On |
3.3v/5v | All On | All Off |
CPU SPEED CONFIGURATION | |||
Speed | JP9 | JP10 | JP11 |
75MHz | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2, 3 & 4 closed |
90MHz | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed |
100MHz | pins 2 & 3 closed | pins 1 & 2 closed | pins 3 & 4 closed |
120MHz | pins 2 & 3 closed | pins 2 & 3 closed | pins 1 & 2 closed |
133MHz | pins 2 & 3 closed | pins 2 & 3 closed | pins 3 & 4 closed |
DMA CONFIGURATION | ||
DMA | JP3 | JP4 |
DMA 1 | pins 2 & 3 closed | pins 2 & 3 closed |
DMA 3 | pins 1 & 2 closed | pins 1 & 2 closed |