V55 Motherboard Settings and Configuration
ACER, INC.
V55
Device Type | Mainboard |
Processor | CX M1/AM K5/Pentium |
Processor Speed | 75/90/100/120/133/150/166/200MHz |
Chip Set | Unidentified |
Video Chip Set | None |
Maximum Onboard Memory | 128MB (EDO supported) |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | Unidentified |
Dimensions | 254mm x 218mm |
I/O Options | 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connector, USB connector |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Standby power connector | CN1 | Power LED & keylock | CN16/pins 1 – 5 |
Serial port 2 | CN2 | Speaker | CN16/pins 7 – 10 |
Serial port 1 | CN3 | Green PC LED | CN16/pins 12 & 13 |
Parallel port | CN4 | Reset switch | CN16/pins 19 & 20 |
Floppy drive interface | CN5 | Green PC connector | CN17 |
IDE interface 2 | CN6 | Software shutdown switch | CN18 |
IDE interface 1 | CN9 | IR connector | CN19 |
PS/2 mouse port | CN11 | IDE interface LED | CN20 |
USB connector | CN12 | 32-bit PCI slots | PC1 – PC4 |
CPU power shorting block | CN13 | Cache slot | SL1 |
CPU fan power | CN14 |
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USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | BIOS type select flash | JP4 | Pins 2 & 3 closed |
| BIOS type select EPROM | JP4 | Pins 1 & 2 closed |
SIMM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
8MB | (2) 1M x 36 | None |
16MB | (2) 2M x 36 | None |
16MB | (2) 1M x 36 | (2) 1M x 36 |
24MB | (2) 2M x 36 | (2) 1M x 36 |
32MB | (2) 4M x 36 | None |
32MB | (2) 2M x 36 | (2) 2M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 |
64MB | (2) 8M x 36 | None |
64MB | (2) 4M x 36 | (2) 4M x 36 |
72MB | (2) 8M x 36 | (2) 1M x 36 |
80MB | (2) 8M x 36 | (2) 2M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 |
CACHE CONFIGURATION | ||
Size | Bank 0 | SL1 |
256KB | (2) 32K x 32 | Not installed |
512KB | (2) 32K x 32 | 256KB module installed |
CACHE JUMPER CONFIGURATION | ||
Size | JP8 | JP9 |
256KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
512KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
CACHE TYPE CONFIGURATION | |
Type | JP10 |
» M1 1 + 4 mode | Pins 2 & 3 closed |
M1 linear burst mode | Pins 1 & 2 closed |
CPU CLOCK FREQUENCY SELECTION | ||
Clock speed | S1/3 | S1/4 |
50MHz | On | On |
60MHz | Off | On |
66MHz | On | Off |
CPU BUS RATIO SELECTION (CYRIX) | ||
Bus ratio | S1/1 | SW1/2 |
1 | On | On |
2 | Off | On |
3 | Off | Off |
4 | On | Off |
CPU BUS RATIO SELECTION (AMD) | ||
Bus ratio | S1/1 | SW1/2 |
2 | On | On |
2 | Off | On |
3/2 | On | Off |
3/2 | Off | Off |
CPU BUS RATIO SELECTION (INTEL) | ||
Bus ratio | S1/1 | SW1/2 |
2 | Off | On |
3 | On | Off |
3/2 | Off | Off |
5/2 | On | On |
CPU VOLTAGE SELECTION | |||
Voltage | V core | JP6 | JP7 |
» 3.3v | 2.8v | Pins 2 & 3 closed | Pins 2 & 3 closed |
3.5v | 2.5v | Pins 1 & 2 closed | Pins 1 & 2 closed |
BIOS SELECTION | |
Type | JP5 |
NC | Pins 1 & 2 closed |
» 29E010 | Pins 2 & 3 closed |
28F001 | Pins 3 & 4 closed |
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