DELL COMPUTER CORPORATION
SYSTEM 40XX/XE
|
Processor |
80486DX/80486DX2 |
|
Processor Speed |
33/50(internal)/66(internal)MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
1MB |
|
Cache |
Unidentified |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), feature connector, VGA port, riser slot, cache slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Feature connector |
CN1 |
External battery |
JBAT |
|
PS/2 mouse port |
CN2 |
Front panel connector |
JCTRL |
|
Serial port 2 |
CN3 |
IDE interface LED |
JLED |
|
Serial port 1 |
CN4 |
Power staging connector (out) |
PROUT |
|
Parallel port |
CN5 |
Power staging connector (in) |
PWRIN |
|
VGA port |
CN6 |
Riser slot |
SL1 |
|
IDE interface |
CN7 |
Cache slot |
SL2 |
|
Floppy drive interface |
CN8 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured - do not alter |
30MHZ |
Unidentified |
|
|
AT ROM card disabled |
ATRM |
Open |
|
AT ROM card enabled |
ATRM |
Closed | |
|
|
System/video BIOS normal operation |
CLRB |
Open |
|
System/video BIOS clear |
CLRB |
Closed | |
|
|
Flash BIOS normal operation |
CLRE |
Open |
|
Flash BIOS clear |
CLRE |
Closed | |
|
|
Factory configured - do not alter |
CN9 |
Unidentified |
|
|
Flash BIOS upgradable with a diskette |
EFLU |
Closed |
|
Flash BIOS not upgradable with a diskette |
EFLU |
Open | |
|
|
Password enabled |
EPWD |
Closed |
|
Password disabled |
EPWD |
Open | |
|
|
On board video enabled |
EVGA |
Closed |
|
On board video disabled |
EVGA |
Open | |
|
|
I/O controller address select 26Eh - 26Fh |
IOALT |
Open |
|
I/O controller address select 398h - 398Fh |
IOALT |
Closed | |
|
|
Factory configured - do not alter |
J1 |
Unidentified |
|
|
Factory configured - do not alter |
J2 |
Unidentified |
|
|
Factory configured - do not alter |
J3 |
Unidentified |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
None |
None |
|
6MB |
(1) 1M x 36 |
(1) 512K x 36 |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
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 |
|
20MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K 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) 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 |
|
68MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
72MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
80MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M 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 |
|
Note: The location of banks 0, 1, 2 & 3 are unidentified. | ||||
|
CACHE CONFIGURATION |
|
Note: The size of the cache modules are unidentified. |
|
VIDEO MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
512KB |
None |
|
1MB |
512KB |
512KB |
|
Note: The location of banks 0 & 1 are unidentified. The size of the chips are unidentified. | ||
|
CPU SPEED SELECTION | ||
|
Speed |
25MHZ |
33MHZ |
|
33MHz |
Open |
Closed |
|
50iMHz |
Closed |
Open |
|
66iMHz |
Open |
Closed |