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# CSS LABORATORIES, INC.
PREFERRED 590 PCI ESP SYSTEMS, MB-5861
Processor Pentium
Processor 75/90/100MHz
Speed
Chip Set Intel
Max. Onboard 384MB
DRAM
Cache 256/512KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (3), floppy drive interface, IDE
interface, parallel port, PS/2 mouse interface,
serial ports (2), cache clot
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Speaker | J37 | IDE interface | LED |
| | | LED | |
|-------------------+----------+------------------+----------|
| Power LED & | J81 | Non green | MON |
| keylock | | monitor | |
| | | connector | |
|-------------------+----------+------------------+----------|
| Auxiliary | J82 | 32-bit PCI slots | PC1 - |
| keyboard | | | PC3 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Reset switch | J83 pins | Floppy drive | PJ1 |
| | 1 & 2 | interface | |
|-------------------+----------+------------------+----------|
| Turbo LED | J83 pins | Parallel port | PJ2 |
| | 3 & 4 | | |
|-------------------+----------+------------------+----------|
| External drive | J84 | Serial port 1 | PJ3 |
| LED | | | |
|-------------------+----------+------------------+----------|
| Front panel | J85 | Serial port 2 | PJ4 |
| connector | | | |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J108 | IDE interface | PJ5 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Turbo switch (not | JP12 | Cache slot | SL1 |
| used) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP7 | Open |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP7 | Closed |
|---+--------------------------------+--------+--------------|
| » | Cache type select write back | JP11 | Open |
|---+--------------------------------+--------+--------------|
| | Cache type select write | JP11 | Closed |
| | through | | |
|---+--------------------------------+--------+--------------|
| » | Pipeline enabled | JP13 | Closed |
|---+--------------------------------+--------+--------------|
| | Pipeline disabled | JP13 | Open |
|---+--------------------------------+--------+--------------|
| » | Cache parity disabled | JP14 | pins 1 & 2, |
| | | | 3 & 4 closed |
|---+--------------------------------+--------+--------------|
| | Cache parity enabled | JP14 | pins 1 & 3, |
| | | | 2 & 4 closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP17 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP18 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP19 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP23 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | On board mouse disabled | JIR12 | Open |
|---+--------------------------------+--------+--------------|
| | On board mouse enabled | JIR12 | Closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | PJ8 | N/A |
| | alter | | |
|------------------------------------------------------------|
| Note: The location of PJ8 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 2MB | (2) 256K x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 4MB | (2) 512K x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 14MB | (2) 256K x 36 | (2) 512K x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 18MB | (2) 1M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (2) 1M x 36 | (2) 1M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 22MB | (2) 2M x 36 | (2) 512K x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 26MB | (2) 2M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 28MB | (2) 2M x 36 | (2) 1M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 34MB | (2) 4M x 36 | (2) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 38MB | (2) 4M x 36 | (2) 256K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | (2) 512K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 42MB | (2) 4M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 44MB | (2) 4M x 36 | (2) 1M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 50MB | (2) 4M x 36 | (2) 2M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 52MB | (2) 4M x 36 | (2) 2M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 56MB | (2) 4M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 66MB | (2) 8M x 36 | (2) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 66MB | (2) 4M x 36 | (2) 4M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 68MB | (2) 4M x 36 | (2) 4M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 70MB | (2) 8M x 36 | (2) 256K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 8M x 36 | (2) 512K x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 74MB | (2) 8M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 76MB | (2) 8M x 36 | (2) 512K x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 82MB | (2) 8M x 36 | (2) 2M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (2) 8M x 36 | (2) 2M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 88MB | (2) 8M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 96MB | (2) 4M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 98MB | (2) 8M x 36 | (2) 4M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 100MB | (2) 8M x 36 | (2) 4M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 104MB | (2) 8M x 36 | (2) 4M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 112MB | (2) 8M x 36 | (2) 4M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 16M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 130MB | (2) 8M x 36 | (2) 8M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 130MB | (2) 16M x 36 | (2) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 132MB | (2) 8M x 36 | (2) 8M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 136MB | (2) 8M x 36 | (2) 8M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 138MB | (2) 16M x 36 | (2) 1M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 140MB | (2) 16M x 36 | (2) 1M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 144MB | (2) 16M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 146MB | (2) 16M x 36 | (2) 2M x 36 | (2) 256K x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 148MB | (2) 16M x 36 | (2) 2M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 152MB | (2) 16M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 160MB | (2) 16M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 162MB | (2) 16M x 36 | (2) 4M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 164MB | (2) 16M x 36 | (2) 4M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 168MB | (2) 16M x 36 | (2) 4M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 176MB | (2) 16M x 36 | (2) 4M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 192MB | (2) 16M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 194MB | (2) 16M x 36 | (2) 8M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 196MB | (2) 16M x 36 | (2) 8M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 200MB | (2) 16M x 36 | (2) 8M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 208MB | (2) 16M x 36 | (2) 8M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 224MB | (2) 16M x 36 | (2) 8M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 256MB | (2) 16M x 36 | (2) 8M x 36 | (2) 8M x 36 |
|------------+---------------+---------------+---------------|
| 258MB | (2) 16M x 36 | (2) 16M x 36 | (2) 256K x 36 |
|------------+---------------+---------------+---------------|
| 260MB | (2) 16M x 36 | (2) 16M x 36 | (2) 512K x 36 |
|------------+---------------+---------------+---------------|
| 264MB | (2) 16M x 36 | (2) 16M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 272MB | (2) 16M x 36 | (2) 16M x 36 | (2) 2M x 36 |
|------------+---------------+---------------+---------------|
| 288MB | (2) 16M x 36 | (2) 16M x 36 | (2) 4M x 36 |
|------------+---------------+---------------+---------------|
| 320MB | (2) 16M x 36 | (2) 16M x 36 | (2) 8M x 36 |
|------------+---------------+---------------+---------------|
| 384MB | (2) 16M x 36 | (2) 16M x 36 | (2) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | SL1 |
|----------------------------+-------------------------------|
| 256KB | Installed |
|----------------------------+-------------------------------|
| 512KB | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP5 | JP6 |
|------------------+--------------------+--------------------|
| None | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 512KB | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP4 | JP15 | JP16 |
|-----------------+----------------+------------+------------|
| » | Standard | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | cache | closed | closed | closed |
|---+-------------+----------------+------------+------------|
| » | Burst cache | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP1 | JP2 | JP10 |
|----------+-------------------+-------------------+---------|
| 75MHz | pins 1 & 2 closed | pins 1 & 2 closed | Open |
|----------+-------------------+-------------------+---------|
| 90MHz | pins 2 & 3 closed | pins 2 & 3 closed | Open |
|----------+-------------------+-------------------+---------|
| 100MHz | pins 1 & 2 closed | pins 2 & 3 closed | Open |
|----------+-------------------+-------------------+---------|
| 120MHz | pins 2 & 3 closed | pins 2 & 3 closed | Closed |
|----------+-------------------+-------------------+---------|
| 133MHz | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Address | IRQ | P0 | P1 | PRT |
|--------------+----------+------------+----------+----------|
| » | Disabled | Disabled | pins 1 & 2 | pins 1 & | N/A |
| | | | closed | 2 closed | |
|---+----------+----------+------------+----------+----------|
| » | 3BCh | IRQ7 | pins 2 & 3 | pins 1 & | pins 2 & |
| | | | closed | 2 closed | 3 closed |
|---+----------+----------+------------+----------+----------|
| » | 378h | IRQ7 | pins 1 & 2 | pins 2 & | pins 2 & |
| | | | closed | 3 closed | 3 closed |
|---+----------+----------+------------+----------+----------|
| » | 278h | IRQ5 | pins 2 & 3 | pins 2 & | pins 1 & |
| | | | closed | 3 closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| Address | IRQ | PJ6 | S0 | S1 |
|--------------+----------+------------+----------+----------|
| » | Disabled | Disabled | N/A | pins 1 & | pins 1 & |
| | | | | 2 closed | 2 closed |
|---+----------+----------+------------+----------+----------|
| » | 338hh | Disabled | N/A | pins 2 & | pins 1 & |
| | | | | 3 closed | 2 closed |
|---+----------+----------+------------+----------+----------|
| » | 2F8h | IRQ3 | pins 1 & 3 | pins 1 & | pins 2 & |
| | | | closed | 2 closed | 3 closed |
|---+----------+----------+------------+----------+----------|
| » | 3F8h | IRQ4 | pins 1 & 2 | pins 2 & | pins 2 & |
| | | | closed | 3 closed | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| Address | IRQ | PJ8 | S2 | S3 |
|--------------+----------+------------+----------+----------|
| » | Disabled | Disabled | N/A | pins 1 & | pins 1 & |
| | | | | 2 closed | 2 closed |
|---+----------+----------+------------+----------+----------|
| » | 238hh | Disabled | N/A | pins 2 & | pins 1 & |
| | | | | 3 closed | 2 closed |
|---+----------+----------+------------+----------+----------|
| » | 3F8h | IRQ4 | pins 2 & 4 | pins 1 & | pins 2 & |
| | | | closed | 2 closed | 3 closed |
|---+----------+----------+------------+----------+----------|
| » | 2F8h | IRQ3 | pins 3 & 4 | pins 2 & | pins 2 & |
| | | | closed | 3 closed | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON BOARD IDE CONFIGURATION |
|------------------------------------------------------------|
| Setting | IDE | PJ10 | PJ24 |
|--------------+-------------------+------------+------------|
| Disabled | pins 1 & 2 closed | Open | Open |
|--------------+-------------------+------------+------------|
| Enabled | pins 2 & 3 closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON BOARD FLOPPY CONFIGURATION |
|------------------------------------------------------------|
| Setting | FDD | PJ11 | PJ12 |
|-------------+----------------------+-----------+-----------|
| Disabled | pins 1 & 2 closed | Open | Open |
|-------------+----------------------+-----------+-----------|
| Enabled | pins 2 & 3 closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH BIOS CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP20 | JP21 | JP22 |
|-------------------+--------------+------------+------------|
| » | EPROM | pins 1 & 2 | Open | pins 2 & 3 |
| | | closed | | closed |
|---+---------------+--------------+------------+------------|
| » | Normal mode | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed | closed |
|---+---------------+--------------+------------+------------|
| » | Program mode | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | | closed | closed | closed |
|---+---------------+--------------+------------+------------|
| » | Recovery mode | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON BOARD I/O CHIP CONFIGURATION |
|------------------------------------------------------------|
| Chip type | PJ20 | PJ21 | PJ22 | PJ23 |
|--------------------+--------+--------+------------+--------|
| FDC37C652 | Closed | Closed | Open | Open |
|--------------------+--------+--------+------------+--------|
| FDC37C663/664 | Open | Open | pins 1 & 2 | Open |
| (DRATE mode) | | | closed | |
|--------------------+--------+--------+------------+--------|
| FDC37C663/664 | Open | Open | pins 2 & 3 | Closed |
| (Media ID mode) | | | closed | |
+------------------------------------------------------------+