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# COMPAQ COMPUTER CORPORATION
PRESARIO 7100 SERIES (PENTIUM SYSTEM)
Processor Pentium
Processor Speed 75/90/100MHz
Chip Set UMC
Video Chip Set Trio
Maximum Onboard 128MB
Memory
Maximum Video Memory 2MB
Cache 256KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interfaces
(2), parallel port, PS/2 mouse port,
serial port, VGA VESA feature connector,
VGA port, riser slot, speaker/headphone
out connector, line in connector, audio
line in connector, game/MIDI connector,
CD-ROM audio in connector, modem
connector, microphone connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| PS/2 mouse port | J2 | VGA VESA | J16 |
| | | feature | |
| | | connector | |
|---------------------+----------+----------------+----------|
| Speaker/headphone | J3 | IDE interface | J18 |
| out connector | | 2 | |
|---------------------+----------+----------------+----------|
| Audio line in | J4 | IDE interface | J19 |
| connector | | 1 | |
|---------------------+----------+----------------+----------|
| Microphone in | J5 | Floppy drive | J20 |
| connector | | interface | |
|---------------------+----------+----------------+----------|
| Parallel port | J6 | IDE interface | J201 |
| | | LED | |
|---------------------+----------+----------------+----------|
| VGA port | J7 | Modem | J202 |
| | | connector | |
|---------------------+----------+----------------+----------|
| CD-ROM audio in | J10 | Riser slot | SL1 |
| connector | | | |
|---------------------+----------+----------------+----------|
| Serial port | J13 | Volume control | VR1 |
|---------------------+----------+----------------+----------|
| Game/MIDI interface | J15 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+-------+-------------|
| » | ESS1688 sound subsystem enabled | JP4 | Open |
|---+----------------------------------+-------+-------------|
| | ESS1688 sound subsystem disabled | JP4 | Closed |
|---+----------------------------------+-------+-------------|
| » | CMOS memory normal operation | JP201 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+-------+-------------|
| | CMOS memory clear | JP201 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (8) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | U5 | U6 | U7 | U10 |
|-----------+------------+------------+-----------+----------|
| 1MB | None | 512KB | None | 512KB |
|-----------+------------+------------+-----------+----------|
| 2MB | 512KB | 512KB | 512KB | 512KB |
|------------------------------------------------------------|
| Note: The size of the chips is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock speed | JP7 |
|---------------+-----------------+--------------------------|
| 75MHz | 50MHz | Pins 1 & 2 closed |
|---------------+-----------------+--------------------------|
| 90MHz | 60MHz | Pins 3 & 4 closed |
|---------------+-----------------+--------------------------|
| 100MHz | 66MHz | Pins 1 & 2, 5 & 6 closed |
+------------------------------------------------------------+