TEXT View Source
# IBM CORPORATION
PS/2 MODEL 25 TYPE 2
Processor 8086
Processor Speed 8MHz
Chip Set None
Max. Onboard DRAM 640KB
Cache None
BIOS IBM
Dimensions 355.6mm x 304.8mm
I/O Options Serial port, parallel port, pointing device
connector, video port,
IDE interface, floppy drive interface,
earphone connector
NPU Options 8087
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Pointing device | J1 | Fan | J8 |
|--------------------+----------+-----------------+----------|
| Keyboard | J2 | Keylock | J10 |
|--------------------+----------+-----------------+----------|
| Parallel port | J3 | Hard drive | J11 |
|--------------------+----------+-----------------+----------|
| Display | J4 | Floppy drive | J12 |
|--------------------+----------+-----------------+----------|
| Serial port | J5 | Earphone | J13 |
|--------------------+----------+-----------------+----------|
| Riser card | J6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Parity (P-1) |
|--------+-----------------+---------------+-----------------|
| 512KB | (2) 256K x 9 | NONE | NONE |
|--------+-----------------+---------------+-----------------|
| 640KB | (2) 256K x 9 | (4) 4464 | (2) 4164 |
+------------------------------------------------------------+