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Qi Panther Planar Rev. D
CMOS Discharge
FTe Panther Planar Rev. D
CMOS Discharge
FTe / FTs / Qi Panther Planar Rev. F
CMOS Discharge
Switch Settings
System Firmware
ROM Images
BIOS Revision Levels
Information sourced from Mitsubishi Electric's Insight CD pages.
Qi Panther Planar Rev. D
Planar Revision History.
CMOS Discharge
To remove settings in CMOS the ribbon cable running from the Front Panel to
the I/O Board should be disconnected and then left for approx. 20 minutes.
FTe Panther Planar Rev. D
Planar Revision History.
CMOS Discharge
To remove settings in CMOS the ribbon cable running from the Front Panel to
the I/O Board should be disconnected and then left for approx. 20 minutes.
FTe / FTs / Qi Panther Planar Rev. F
Planar Revision History FTe.
Planar Revision History FTs.
Planar Revision History Qi 486.
CMOS Discharge
Switch SW8 used to drain CMOS. If SW8 is set to 'B' CMOS configuration will
not be retained.
Switch Settings
SW1
| Pos. |
On |
Off |
| 1 |
Cache disable |
Cache enable |
| 2 |
ROM data on Micro Channel |
ROM data not on Micro Channel |
| 3 |
ROM's disabled |
ROM's enabled |
| 4 |
Refresh enabled |
Refresh disabled |
SW2
| Pos. |
Second Floppy |
| A |
5.25" |
| B |
3.5" |
SW3
| Pos. |
Second Floppy |
| A |
Present |
| B |
Not present |
SW4
| Pos. |
On |
Off |
| 1 |
RAM configuration |
| 2 |
RAM configuration |
| 3 |
RAM configuration |
| 4 |
CPU speed select |
| 5 |
CPU speed select |
| 6 |
FTs |
FTe* |
| 7 |
Weitek present** |
Weitek not present** |
| 8 |
FTe/FTs |
Qi* |
* When installed in Qi and FTs FE1 must be removed to stop power being supplied on floppy cable
** Weitek support on FTs only?
RAM Configuration
| Memory Fitted |
SW4 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 |
SW4 Position |
| 4 |
5 |
| 16/33 |
Off |
Off |
| 20 |
On |
Off |
| 25/50 |
Off |
On |
| Reserved |
On |
On |
SW5 - Rev. D
| Pos. |
Description |
| A |
Routes composite sync pulses to the Video DAC |
| B |
Composite sync pulses required |
SW5 - Rev. F
| Pos. |
Description |
| A |
No sync on video |
| B |
Sync on video |
SW7 - Rev. F Only
| Pos. |
Description |
| A |
2MB Floppy disk drive |
| B |
4MB floppy disk drive |
SW8 - Rev. F Only
| Pos. |
Description |
| A |
Battery connected |
| B |
Battery disconnected and VBAT line discharged |
System Firmware (POST & BIOS)
Firmware stored in EPROM (2x 64 KB Rev. D; 1x 128 KB Rev. F).
ROM Images
qi410226.zip - Qi 486 ROM BIOS 1.02.26 (LO+HI, zipped)
pd10226.zip - FTe/FTs Panther Rev D 1.02.26 (LO+HI, zipped)
pd10226.zip - FTe/FTs Panther Rev F 1.02.26 (1x BIN, zipped)
BIOS Revision Levels
Qi 486 BIOS Revision Summary (ver. 1.02.23 - 1.02.26)
FTe BIOS Revision Summary (ver. 1.02.23 - 1.02.26)
FTs BIOS Revision Summary (ver. 1.02.23 - 1.02.26)
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