Acer V6 Motherboard
Jumper and Connector Layout
Jumper Settings
| Jumper | Setting | Function |
|---|---|---|
| JP2 | 1-2 | Check Password |
| 2-3* | Bypass Password | |
| JP3 | 1-2* | Enable Reset Button |
| 2-3 | Disable Reset Button | |
| JP6 | Open | Discharge the Real-Time Clock |
| Close* | Normal Operation | |
| JP8 | ON | I/O Address From 140H (for Onboard SCSI) |
| OFF | I/O Address From 340H (for Onboard SCSI) | |
| JP10 | Open* | Enable Onboard 4MB Memory |
| Close | Disable Onboard 4MB Memory | |
| JP12 | 1-2* | Enable Onboard VGA |
| 2-3 | Disable Onboard VGA | |
| JP22 | 1-2 | Select IRQ 10 (For Onboard SCSI) |
| 2-3 | Select IRQ 11 (For Onboard SCSI) | |
| JP23 | ON* | Enable Onboard FDD,HDD,COM1,COM2 and PRN |
| OFF | Disable Onboard FDD,HDD,COM1,COM2 and PRN | |
| JP41 | CLOSE | Enable CMOS Battery |
| OPEN | Disable CMOS Battery | |
| JP20 | 1-2 | 20/25/33 MHz Speed |
| 2-3 | 40/50 MHz Speed | |
| CN16 | 1-4 | 20/40 MHz Speed |
| 2-5 | 25/50 MHz Speed | |
| 3-6 | 33 MHz Speed |
* Default
Upgrade Math-Coprocessor
The V6 System 486Sx/25MHz has no socket for the math coprocessor. To get the math coprocessor option feature, one must upgrade to the 486DX/33MHz or higher CPU.
Memory
Use 1MB, 4MB, or 16MB 72-Pin SIMMs. 80NS speed, fast page mode. Maximum 64MB RAM.
P10 = OFF: Disables onboard 4MB Memory.
Bank 0 & 1 must have the same size memory SIMM installed. Bank 2 & 3 must have the same size memory SIMM installed
Adding RAM is the most cost effective way to boost your computer's performance.
Video Memory
The onboard VGA RAM can be upgraded from 512K to 1 MB. Order P/N 91.00023.901 "512K to 1MB Upgrade" from Acer Access. This kit contains four 256K*4,80NS DRAM chips.
Cache
The system supports second-level cache upgrade sizes of 64K, 128K, and 256K.