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Qi 486 (Panther
Motherboard) Revision 'D' (Rev 1.1.16)
RAM Configuration
|
Switches |
SIMM
Capacity |
Memory Fitted |
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 |
Disk Drives
| MB |
Make |
Model |
Type |
Part Number |
| 50 |
Quantum |
LPS52S |
SCSI |
14588431 |
| 100 |
Quantum |
LPS105S |
SCSI |
14588331 |
| 200 |
Maxtor |
LXT-213SY |
SCSI |
14881831 |
| 380 |
IBM |
0661 |
SCSI |
14770431 |
Tape Drives
| MB |
Make |
Model |
Type |
Part Number |
| 120 |
Irwin |
3.5" |
|
XB45915 |
Floppy Drives
| MB |
Make |
Model |
Type |
Part Number |
| 2 MB |
|
3.5" |
|
|
Ethernet Options
| 3Com 32 bit bus master Ethernet card,
thin/thick wire (3C527B) |
XB50379 |
| 3Com 16 bit Ethernet card, thin/thick wire
(3C523B) |
XB48125 |
| 3Com 16 bit Ethernet card, UTP/thick wire
(3C523B-TP) |
XB48127 |
| IBM Token Ring 4/16Mb/s LAN card (25F9528) |
XB49546 |
Switch Settings
SW1
Switch |
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
Position |
Second Floppy |
A |
5.25" |
B |
3.5" |
SW3
Position |
Second Floppy |
A |
Present |
B |
Not present |
SW4
Switch |
On |
Off |
1 |
RAM
configuration |
2 |
RAM
configuration |
3 |
RAM
configuration |
4 |
CPU speed select |
5 |
CPU speed select |
6 |
FTs |
FTe* |
7 |
Reserved |
Reserved |
8 |
FTe/FTs |
Qi* |
| * When installed in Qi and FTs FE1 must be
removed |
| to stop power being supplied on floppy cable |
RAM Configuration
| |
Switches |
SIMM Capacity |
Memory Fitted |
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 |
Switches |
| |
4 |
5 |
16/33 |
Off |
Off |
20 |
On |
Off |
25/50 |
Off |
On |
Reserved |
On |
On |
SW5
Position |
|
A |
Routes composite sync pulses to the Video DAC |
B |
Composite sync pulses required |
Additional Options
| Apricot LOC Technology security. |
| Co - Processor |
| 486SX 80487SX-25 XB48848 |
Rear Panel
CMOS Discharge
If the settings in CMOS need to be removed then it will require the
ribbon cable running from the LED board at the front of the system to be disconnected for
approx. 20 minutes.
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