| Y# | Description | Pin/Setting | Description |
|---|---|---|---|
| J7 | CPU Voltage (5.0V/5.25V) | 1-2 2-3 |
CPUVCC=5.00v for 60Mhz CPUVCC=5.25v for 66 Mhz |
| J14 CPU CLK |
CPU Speed | 1-2 2-3 |
66MHz (Not Used) 60MHz |
| J15 COLOR |
VGA Mode | 1-2 2-3 |
MONO COLOR (default) |
| J16 PW |
Password | 1-2 2-3 |
Normal (Enabled) (default) Clear (Disabled) |
| J17 BB |
Flash Boot Block | 1-2 2-3 |
Recovery Mode Normal Mode (default) |
| J18 WP |
Flash Write Enable Flash Write Disable |
1-2 2-3 |
Flash Write Enabled (default) Flash Write Protected |
| J19 CMOS CLR |
CMOS Clear | 1-2 2-3 |
Clear Normal (default) |
| J20 SETUP |
CMOS Setup | 1-2 2-3 |
Enable (default) Disable |
| J37 SPKR | Ext. Speaker Header/Jumper | 3-4 | Enable on-board speaker Remove to disable |
J14 (CPU CLK)
| Jumper Setting | Description |
|---|---|
| 1-2 | 66MHz Clock |
| 2-3 | 60Mhz Clock (Default) |
J15 (COLOR)
| Jumper Setting | Description |
|---|---|
| 1-2 | Monochrome Video |
| 2-3 | Color Video (Default) |

| Jumper Setting | Description |
|---|---|
| 1-2 | Normal Operation (Default) |
| 2-3 | Clear Password |
J17 (BB)
| Jumper Setting | Description |
|---|---|
| 1-2 | Recovery Mode |
| 2-3 | Normal Mode (Default) |
J18 (WP)
| Jumper Setting | Description |
|---|---|
| 1-2 | Flash Write Enabled |
| 2-3 | Flash Write Protected (Default) |
J19 (CMOS CLR)
| Jumper Setting | Description |
|---|---|
| 1-2 | Clear |
| 2-3 | Normal (Default) |
J20 (SETUP)
| Jumper Setting | Description |
|---|---|
| 1-2 | Enable (Default) |
| 2-3 | Disable |
J37: Speaker (SPKR)

| External Speaker Connector |
|---|
| Pin 1 +5 Volts |
| Pin 2 Key (Removed) |
| Pin 3 On Board Speaker |
| Pin 4 Speaker Data |
| Open Disable - Attach Ext. Speaker |
| 3-4 Enable - On-board Speaker (Default) |