|
Neptune Planar Rev. E
Neptune Planar Rev. G
Switch Settings
CMOS Discharge
System Firmware
ROM Images
BIOS Revision Levels
Information sourced from Mitsubishi Electric's Insight CD pages.
Neptune Planar Rev. E
Planar Revision History.
Neptune Planar Rev. G
Planar Revision History.
Switch Settings
SW1
| Pos. |
On |
Off |
| 1 |
Pipeline 386 enable |
Pipeline 386 disable |
| 2 |
Pipeline 385 enable |
Pipeline 385 disable |
| 3 |
ROM's disabled |
ROM's enabled |
| 4 |
Refresh enabled |
Refresh disabled |
SW2
| Pos. |
On |
Off |
| 1 |
RAM
configuration |
| 2 |
RAM
configuration |
| 3 |
RAM
configuration |
| 4 |
CPU speed select |
| 5 |
CPU speed select |
| 6 |
Not currently
used |
| 7 |
*Weitek present |
Weitek not present |
| 8 |
Not currently
used |
| * PAL required to enable |
RAM
| Memory Fitted |
SW2 Position |
SIMM Capacity |
| 1 |
2 |
3 |
Bank 0 |
Bank 1 |
| 1 MByte |
Off |
Off |
Off |
256k |
- |
| 1 MByte |
On |
Off |
Off |
256k |
- |
| 2 MByte |
Off |
On |
Off |
256k |
256k |
| 4 MByte |
Off |
Off |
On |
1 M |
- |
| 5 MByte |
On |
On |
Off |
256k |
1 M |
| 8 MByte |
On |
Off |
On |
1 M |
1 M |
| 12 MByte |
Off |
On |
On |
2 M |
1 M |
| 16 MByte |
On |
On |
On |
2 M |
2 M |
Clock Speed
| CPU speed MHz |
SW2 Position |
| 4 |
5 |
| 25 MHz |
Off |
On |
SW3
| Pos. |
Description |
| A |
Routes high resolution video clocks |
| B |
High resolution video required |
SW4 Rev. E / SW53 Rev. G - Ethernet Configuration
| All ON - BNC connector enabled |
All OFF - D-type connector enabled |
SW4 Rev. G
| Pos. |
Description |
| A |
Routes composite sync pulses to the Video DAC |
| B |
Composite sync pulses required |
CMOS Discharge
To drain CMOS remove the battery and connect a 10 Ohm resistor between TP13
and TP14.
If no resistor is available then it will take approx. 20 minutes to
drain.
System Firmware (POST & BIOS)
Firmware stored in EPROM (2x 64 KB).
ROM Images
qi610223.zip - Qi 600 ROM BIOS 1.02.23 (LO+HI, zipped)
BIOS Revision Levels
BIOS Revision Summary (ver. 1.02.07 - 1.02.23)
|