APRICOT COMPUTERS LIMITED
EPX (EISA DESKTOP/ FT//EX DESKSIDE)
|
Processor |
80486SX/80487SX/ODP486SX/80486DX/80486DX2/Pentium Overdrive/Pentium (depends on CPU card installed) |
|
Processor Speed |
25/33/40/50/50(internal)/60/66(internal)/66/80MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
128/256MB (depends on CPU card installed) |
|
Cache |
64/128/256/512/1024KB (depends on CPU card installed) |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
External CPU slot, 32-bit VESA local bus slots (2), IDE interface, SCSI connectors (2), parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
None |

|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse port |
CN1 |
SCSI connector |
CN6 |
|
Serial port 1 |
CN2 |
Parallel port |
CN7 |
|
Serial port 2 |
CN3 |
Reset switch |
JP7 |
|
IDE interface |
CN4 |
External CPU slot |
SL1 |
|
SCSI connector |
CN5 |
32-bit VESA local bus slots |
SL2 & SL3 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Factory configured - do not alter |
JP5 |
Open |
|
» |
Password enabled |
JP6 |
Pins 1 & 2 closed |
|
|
Password disabled |
JP6 |
Pins 2 & 3 closed |
|
» |
IRQ type select IRQ10 |
JP8 |
Pins 1 & 2 closed |
|
|
IRQ type select IRQ11 |
JP8 |
Pins 2 & 3 closed |
|
» |
On board buzzer enabled |
JP9 |
Pins 1 & 2 closed |
|
|
External speaker installed |
JP9 |
Pins 2 & 3 closed |
|
DRAM CONFIGURATION (80486 EPX DESKTOP & FT//EX DESKSIDE) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
28MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
|
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
84MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
|
84MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
NONE |
|
88MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
|
88MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
|
96MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
NONE |
|
DRAM CONFIGURATION (80486 EPX DESKTOP & FT//EX DESKSIDE CON'T) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
100MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
|
100MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
112MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
|
112MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
132MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
NONE |
|
136MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
144MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
NONE |
|
144MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
|
148MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
|
148MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
160MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
|
160MB |
(1) 1M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
|
160MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
192MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
|
208MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
|
208MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
|
256MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
|
DRAM CONFIGURATION (PENTIUM EPX DESKTOP) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
72MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
80MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
80MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
DRAM CONFIGURATION (PENTIUM FT//EX DESKSIDE MAINBOARD) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
8MB |
(1) 1M x 36 |
(2) 1M x 36 |
NONE |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
56MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
64MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
120MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
128MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
256MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
Note: If installing 8MB or 24MB use only DRAM sockets on mainboard. Any other configuration uses this table and the table below. |
||||
|
DRAM CONFIGURATION (PENTIUM FT//EX DESKSIDE CPU BOARD) |
||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
32MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
56MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
64MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
120MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
128MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
256MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
Note: If installing 8MB or 24MB use only DRAM sockets on mainboard. Any other configuration uses this table and the table above. |
||||
|
SCSI CONFIGURATION |
||
|
Setting |
JP1 |
JP2 |
|
Installed |
Open |
Open |
|
Not installed |
Closed |
Closed |
|
VESA WAIT STATE CONFIGURATION |
|
|
Wait states |
JP3 |
|
0 wait states |
Pins 1 & 2 closed |
|
1 wait state |
Pins 2 & 3 closed |
|
BUS SPEED CONFIGURATION |
|
|
CPU speed |
JP4 |
|
<= 33MHz |
Pins 1 & 2 closed |
|
> 33MHz |
Pins 2 & 3 closed |
|
BATTERY TYPE CONFIGURATION |
||||
|
Type |
JP10 |
JP11 |
JP12 |
JP13 |
|
Dallas |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
B.M. |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |

|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
VLB LADS MHz support select 33MHz |
JP3 |
Pins 1 & 2 closed |
|
|
VLB LADS MHz support select 50MHz |
JP3 |
Pins 2 & 3 closed |
|
» |
Local bus disabled |
JP10 |
Pins 1 & 2 closed |
|
|
Local bus enabled |
JP10 |
Pins 2 & 3 closed |
|
CACHE CONFIGURATION |
|
Note: The bank configuration and chip sizes are unidentified by the manufacturer. |
|
CACHE JUMPER CONFIGURATION |
|||||||
|
Size |
JP11 |
JP12 |
JP13 |
JP14 |
JP18 |
JP19 |
JP20 |
|
64KB |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
|
128KB |
Closed |
Open |
Open |
Open |
Open |
Closed |
Open |
|
256KB |
Closed |
Closed |
Open |
Open |
Open |
Closed |
Closed |
|
1024KB |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
|
CACHE BANK CONFIGURATION |
||
|
Size |
JP15 |
JP16 |
|
Single bank |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Double bank |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION |
|
|
Type |
JP4 |
|
80486SX |
Pins 1 & 2 closed |
|
80487SX |
Pins 2 & 3 closed |
|
ODP486SX |
Pins 2 & 3 closed |
|
80486DX/DX2 |
Open |
|
Pentium Overdrive |
Pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION |
||
|
Speed |
JP8 |
JP9 |
|
25MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
33MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
40MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
50iMHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
50MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
66iMHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
CPU CLOCK SPEED CONFIGURATION |
||
|
Speed |
JP1 |
JP2 |
|
25MHz |
Open |
Open |
|
33MHz |
Open |
Closed |
|
40MHz |
Closed |
Open |
|
50iMHz |
Open |
Open |
|
50MHz |
Closed |
Closed |
|
66iMHz |
Open |
Closed |
|
BUS SPEED CONFIGURATION |
|
|
CPU speed |
JP17 |
|
<= 33MHz |
Pins 1 & 2, 3 & 4 closed |
|
> 33MHz |
Pins 2 & 3 closed |

|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Factory configured - do not alter |
JP4 |
Open |
|
CACHE CONFIGURATION |
|
Note: The bank configuration and chip sizes are unidentified by the manufacturer. |
|
CACHE JUMPER CONFIGURATION |
||||
|
Size |
JP11 |
JP12 |
JP14 |
JP15 |
|
256KB |
Open |
Open |
Open |
Open |
|
1024KB |
Closed |
Closed |
Closed |
Closed |
|
CPU OSCILLATOR SPEED CONFIGURATION |
|||
|
Speed |
JP1 |
JP2 |
JP3 |
|
33MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
40MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
50MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
60MHz |
Pins 2 & 3 closed |
N/A |
N/A |
|
66MHz |
N/A |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
80MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |

|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Jumper |
Position |
|
|
» |
Local bus enabled |
JP4 |
Pins 1 & 2 closed |
|
|
Local bus disabled |
JP4 |
Pins 2 & 3 closed |
|
CACHE CONFIGURATION |
|
Note: The bank configuration and chip sizes are unidentified by the manufacturer. |
|
CACHE JUMPER CONFIGURATION |
||||||
|
Size |
JP10 |
JP11 |
JP12 |
JP13 |
JP14 |
JP15 |
|
128KB |
Open |
Open |
Open |
Open |
Open |
Open |
|
256KB |
Closed |
Open |
Open |
Closed |
Open |
Open |
|
512KB |
Closed |
Closed |
Open |
Closed |
Closed |
Open |
|
1024KB |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
|
CACHE BANK CONFIGURATION |
||
|
Size |
JP8 |
JP9 |
|
Single bank |
(4) 8K x 8 |
(1) 8K x 8 |
|
Double bank |
(4) 32K x 8 |
(1) 32K x 8 |
|
CPU OSCILLATOR SPEED CONFIGURATION |
|||
|
Speed |
JP1 |
JP2 |
JP3 |
|
33MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
40MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
50MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
66MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
80MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |