CLOCK SELECT
Clock frequency | 50MHz | 55MHz | 60MHz | 66MHz * |
JP12 | ON | OFF | OFF | ON |
JP13 | ON | OFF | ON | OFF |
CPU TYPE P or Pentium M1 for Cyrix 6x86 K5 for AMD K586 | Pentium 75 AMD K5 M1 100 | M1 110 | Pentium 90 Pentium 120 Pentium 150 Pentium 180 Pentium 180 M1 120 AMD K5 90 | Pentium 100 Pentium 133 Pentium 166 Pentium 200 Pentium 133 M1 133 |
If you want to use Pentium 120 to 200MHz. Please reference Bus to Frequency setting.
BUS FREQUENCY
CPU-TO-BUS CLOCK / SPEED | x 1.5 | x 2.0 * | x 2.5 | x 3.0 |
JP19 | OFF | ON | ON | OFF |
JP20 | OFF | OFF | ON | ON |
CPU TYPE P for Pentium M1 for Cyrix 6X86 K5 for AMD K586 | P 75MHz P 90MHz P 100MHz K5 75MHz K5 90MHz | P 120MHz P 133MHz M1 100MHz M1 110MHz M1 120MHz M1 133MHz | P 150 MHz P 166 MHz | P 180MHz P 200MHz |
VR / VRE VOLTAGE SPEC.
Note: Std. spec = 3.135-3.465V, VR spec = 3.300-3.465V, VRE Spec = 3.450-3.600V
BIOS OPTION
TYPE | EPROM | 5V FLASH ROM * | 12VFLASH ROM |
J14 | 1-2 | 1-2 | 2-3 |
J15 | 1-2 | 2-3 | 2-3 |
IR CONNECTOR PIN OUT ASSIGNMENT
J6 IR PIN OUT | |||||||
1 | RX | 2 | GND | 3 | TX | 4 | +5V |
ON BOARD & MODULE CACHE MEMORY SIZE
L2 cache size | |||||
JP Setting | On board 256K And Module 0KB | On board 0K And Module 256KB | On board 512K And Module 0KB | On board 0K And Module 512KB | On board 256K And Module 256KB |
JP7 | 1-2 | 1-2 | 2-3 | 2-3 | 2-3 |
JP9 | 2-3 | 2-3 | 2-3 | 2-3 | 1-2 |
JP17 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 |
JP18 | 1-2 | 1-2 | 1-2 | 1-2 | 2-3 |
TAG size
| 8K * 8 16K*8 32K*8 | 16K*8 |
IR / COM2 SELECT
IR & COM2 FUNCTION CHANGE | COM2 * | IR |
JP1 | 1-2 | 2-3 |
JP2 | 1-2 | 2-3 |
CORE VOLTAGE SELECT
CORE VOLTAGE rev A2 | 2.5V | 2.7V | 2.8V * | 2.9V |
CORE VOLTAGE rev A3 | 2.5V | 2.8V * | 2.9V | 3.2V |
J13 or J18 | 1-2,3-4 | 1-2 | 2-3 | ALL OFF |
* BY INTEL P55C SPEC.
OTHER JUMPER SETTING
JUMPER | SETTING | FUNCTION |
KEYLOCK | Key lock switch & power LED | |
SPEAKER | Speaker connector | |
TB SW | Turbo switch (no Function) | |
TB LED | Turbo LED | |
RESET | Reset Switch | |
SMI | Breaker switch | |
HD LED | Hard disk detect LED | |
J1 | External PS/2 Mouse connector | |
JP16 | Clear CMOS RAM data | |
JP8 | 1-3 , 2-4 | DIMM module Voltage by 5V |
3-5 , 4-6 | DIMM module Voltage by 3V |
INTEL PENTIUM
Pentium | Printing | Core MHz | BUS MHz | Multiplier | JP12 | JP13 | JP19 | JP20 |
75 | 75 | 50 | 1.5 | ON | ON | OFF | OFF | |
90 | 90 | 60 | 1.5 | OFF | ON | OFF | OFF | |
100 | 100 | 66 | 1.5 | ON | OFF | OFF | OFF | |
120 | 120 | 60 | 2 | OFF | ON | ON | OFF | |
133 | 133 | 66 | 2 | ON | OFF | ON | OFF | |
150 | 150 | 60 | 2.5 | OFF | ON | ON | ON | |
160 | 160 | 66 | 2.5 | ON | OFF | ON | ON | |
180 | 180 | 60 | 3 | OFF | ON | OFF | ON | |
200 | 200 | 66 | 3 | ON | OFF | OFF | ON |
AMD
K5 | Printing | Core MHz | BUS MHz | Multiplier | JP12 | JP13 | JP19 | JP20 |
75 | 75 | 50 | 1.5 | ON | ON | OFF | OFF | |
90 | 90 | 60 | 1.5 | OFF | ON | OFF | OFF | |
100 | 100 | 66 | 1.5 | ON | OFF | OFF | OFF | |
120 | 90 | 60 | 1.5 | OFF | ON | OFF | OFF | |
133 | 100 | 66 | 1.5 | ON | OFF | OFF | OFF | |
150 | 120 | 60 | 1.5 | OFF | ON | ON | OFF | |
166 | 133 | 66 | 1.5 | ON | OFF | ON | OFF |
CYRIX
CYRIX | Printing | Core MHz | BUS MHz | Multiplier | JP12 | JP13 | JP19 | JP20 |
6X86 | P120+ | 100 | 50 | 2 | ON | ON | ON | OFF |
P133+ | 110 | 55 | 2 | OFF | OFF | ON | OFF | |
P150+ | 120 | 60 | 2 | OFF | ON | ON | OFF | |
P166+ | 133 | 66 | 2 | ON | OFF | ON | OFF | |
JP11=ON see note | P200+ | 150 | 75 | 2 | OFF | OFF | ON | OFF |
NOTE 1:
IF YOU WANT TO USE CYRIX 6X86L P120+-P133+/P150+/P166+
VI/O: 3.3V , Vcore :2.8V
Please reference item 9. Vcore setting by 2.8V
NOTE 2:
IF YOU WANT TO USE CYRIX 6X86L P200+ you need a REV:A3 board and need to set JP11 to ON, for all other CPUs: leave JP11 OFF