| Feature | Jumper Setting |
CPU Jumper | Connector
|
| CPU | 80486SX/DX/DX2/DX4, 80486SL, OverDirver Cyrix M6, DX/DX2/DX4 (M7), Cx5x86 (M9) AMD 486/DXLT, X5 UMC-U5 |
| Speed | 25~133 MHz CPU 25/26.67/33 MHz PCI bus I/O clock 8MHz for ISA bus |
| DRAM Memory | 72-pin 1/24/8/16/32 Mb SIMM 1 ~ 128Mb on board Supports EDO & fast page |
| Cache Memory | SRAM 128~512 Kb |
| BUS Slots | 4 16-bit ISA & 3 PCI bus |
| PCI Enhanced IDE on Board | Supports 4 IDE Hard Drives Supports Mode 3 for High Performance HDs Supports LBA Mode |
| ISA I/O on Board | One Multi-mode Parallel Port (Std/ Bidirection, EPP, ECP) Two Serial Port (16550 UART) Supports 360 Kb, 720 Kb, 1.2 Mb, 1.44 Mb Floppy Drives Optional PS/2 Mouse Port |
| Dimension | 22 Cm x 22 Cm |
| BIOS | Award Legal |
| Operating System | MS/DOS, OS/2, Windows 3.x, Windows 95, Windows NT, Novell |
| JP8,9 | ECP DMA Channel Select | |
| 1-2 Closed | Channel 1 | |
| 2-3 Closed | Channel 3 | |
| JP12 | DS12887A RTC Module IC Clear Select | |
| Open | Normal | |
| Closed | Clear | |
| JP13 | Flash ROM Type Voltage Select | |
| 1-2 Closed | +5 V | |
| 2-3 Closed | +12 V | |
| All Open | EPROM used | |
| JP42 | CMOS Function Select | |
| 2-3 Closed | To maintain setup data (Default) | |
| 3-4 Closed | To clear setup memory | |
| External Battery Connector | ||
| 1 | + | |
| 4 | - | |
| Jumper | JP5 | JP6 | JP7 |
| 128 Kb (32k x 4) | 1-2 Closed | Open | Open |
| 256 Kb (64k x 4) | 1-2 Closed | 1-2 Closed | 1-2 Closed |
| 256 Kb (32k x 8) | 2-3 Closed | 1-2 Closed | Open |
| 512 Kb (128k x 4) | 1-2 Closed | All Closed | All Closed |
3. CPU JUMPER SETTING
| CPU Clock | JP15 | JP16 |
| 25 MHz (25, 50, 75) | Open | Open |
| 33 MHz (33, 66, 100, 133) | Closed | Closed |
| 40 MHz (40, 80, 120) | Open | Closed |
| CPU Voltage | JP36 | JP37 | JP39 |
| 3.45 V | 2-3 Closed | 2-3 Closed | 2-3 Closed |
| 4 V | 2-3 Closed | 1-2 Closed | 2-3 Closed |
| 5 V | 1-2 Closed | 2-3 Closed | 1-2 Closed |
| CPU | Install | JP10 | JP11 | JP3 | JP45 | JP46 |
| Intel DX/DX2 | RN14, 15 | 1-2 | 1-2 | 2-3 | 1-2, 4-5 | |
| AMD 486 (NV8T) | RN14, 15 | 1-2 | 1-2 | 2-3, 5-6* (*DX2 only) | 1-2, 4-5 | |
| AMD 486 (SV8B/T), 5x86 | RN14, 15 | 1-2 | 1-2 | 1-2, 4-5* (*DX2 & 5x86 only) | 1-2, 4-5* (*DX2 & 5x86 only) | |
| Intel P24C/D Cyrix 5x86 | RN14, 15 | 1-2 | 1-2 | 1-2 | 1-2, 4-5 | |
| Intel P24T | RN14, 15 | 1-2 | 1-2 | 1-2 | 2-3, 4-5 | |
| Cyrix 486 (M7) | RN12, 13 | 2-3 | 1-2 | 1-2 | 1-2, 4-5 | |
| Cyrix DX4-100 (Intel SMM type) | RN14, 15 | 2-3 | 1-2 | Closed | 1-2 | 1-2, 4-5 |
| UMC486 | RN11* | 1-2 | 2-3 | 2-3 |
4. CONNECTOR
J15
| Pin No | Assignment | Pin No | Assignment |
| 1 | Speaker | 14 | Green LED+ |
| 2 | NC | 15 | Green LED- |
| 3 | Ground | 16 | NC |
| 4 | Vcc | 17 | Green Control |
| 5 | Power LED+ | 18 | Ground |
| 6 | NC | 19 | NC |
| 7 | Ground | 20 | HDD LED- |
| 8 | Key Lock | 21 | HDD LED+ |
| 9 | Ground | 22 | NC |
| 10 | Turbo LED- | 23 | Turbo Control |
| 11 | Turbo LED+ | 24 | Ground |
| 12 | Reset Control | 25 | Vcc |
| 13 | Ground | 26 | Ground |