CHAINTECH COMPUTER COMPANY, LTD.
5SBA
Processor | Pentium |
Processor Speed | 75/90/100/120/133/150MHz |
Chip Set | SIS |
Maximum Onboard Memory | 128MB |
Cache | 256/512/1024KB |
BIOS | Award |
Dimensions | 330mm x 220mm |
I/O Options | 32-bit PCI slots (3), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, serial ports (2), VESA feature connector, VRM connector, cache slot, MediaBus slot, IR connector |
NPU Options | None |

CONNECTIONS | |||
Function | Label | Function | Label |
VRM connector | CN1 | Green PC LED | J18 |
Floppy drive interface | J5 | IDE interface LED | J20 |
Parallel port | J6 | Power LED & keylock | J21 |
IR connector | J7 | Speaker | J22 |
Digital volume control connector | J8 | Reset switch | J23 |
Serial port 2 | J9 | Turbo LED | J24 |
Serial port 1 | J10 | Turbo switch | J25 |
Game/MIDI port | J11 | Green PC connector | JP14 |
IDE interface 1 | J13 | 32-bit PCI slots | PC1 - PC3 |
IDE interface 2 | J14 | Cache slot | SL1 |
VGA feature connector | J15 | MediaBus connector | SL2 |
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
» | CMOS memory normal operation | JP17 | Pins 1 & 2 closed |
CMOS memory clear | JP17 | Pins 2 & 3 closed | |
» | Jumper information unavailable | JP23 | N/A |
DRAM | ||
Size | Bank 0 | Bank 1 |
2MB | (2) 256K x 36 | None |
2MB | None | (2) 512K x 36 |
4MB | (2) 512K x 36 | None |
4MB | (2) 256K x 36 | (2) 256K x 36 |
6MB | (2) 512K x 36 | (2) 256K x 36 |
6MB | (2) 256K x 36 | (2) 512K x 36 |
8MB | (2) 1M x 36 | None |
8MB | (2) 512K x 36 | (2) 512K x 36 |
10MB | (2) 1M x 36 | (2) 256K x 36 |
10MB | (2) 256K x 36 | (2) 1M x 36 |
12MB | (2) 1M x 36 | (2) 512K x 36 |
12MB | (2) 512K x 36 | (2) 1M x 36 |
16MB | (2) 2M x 36 | None |
16MB | (2) 1M x 36 | (2) 1M x 36 |
18MB | (2) 2M x 36 | (2) 256K x 36 |
18MB | (2) 256K x 36 | (2) 2M x 36 |
20MB | (2) 2M x 36 | (2) 512K x 36 |
20MB | (2) 512K x 36 | (2) 2M x 36 |
DRAM (CON’T) | ||
Size | Bank 0 | Bank 1 |
24MB | (2) 2M x 36 | (2) 1M x 36 |
24MB | (2) 1M x 36 | (2) 2M x 36 |
32MB | (2) 4M x 36 | None |
32MB | (2) 2M x 36 | (2) 2M x 36 |
34MB | (2) 4M x 36 | (2) 256K x 36 |
34MB | (2) 256K x 36 | (2) 4M x 36 |
36MB | (2) 4M x 36 | (2) 512K x 36 |
36MB | (2) 512K x 36 | (2) 4M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 |
40MB | (2) 1M x 36 | (2) 4M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 |
48MB | (2) 2M x 36 | (2) 4M x 36 |
64MB | (2) 8M x 36 | None |
64MB | (2) 4M x 36 | (2) 4M x 36 |
66MB | (2) 8M x 36 | (2) 256K x 36 |
66MB | (2) 256K x 36 | (2) 8M x 36 |
68MB | (2) 8M x 36 | (2) 512K x 36 |
68MB | (2) 512K x 36 | (2) 8M x 36 |
72MB | (2) 8M x 36 | (2) 1M x 36 |
72MB | (2) 1M x 36 | (2) 8M x 36 |
80MB | (2) 8M x 36 | (2) 2M x 36 |
80MB | (2) 2M x 36 | (2) 8M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 |
96MB | (2) 4M x 36 | (2) 8M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 |
Note: Board accepts EDO & FP memory. | ||
CACHE SIZE | |||
Size | Bank 0 | TAG | SL1 |
256KB (A) | (8) 32K x 8 | (1) 8K x 8 | Not installed |
256KB (B) | None | None | Installed |
512KB (A) | (8) 64K x 8 | (1) 32K x 8 | Not installed |
512KB (B) | None | None | Installed |
1MB | (8) 128K x 8 | (1) 32K x 8 | Not installed |
CACHE JUMPER | ||
Size | JP15 | JP16 |
256KB (A) | Pins 1 & 2 closed | Pins 1 & 2 closed |
512KB (A) | Pins 1 & 2 closed | Pins 2 & 3 closed |
1MB | Pins 2 & 3 closed | Pins 2 & 3 closed |
CACHE VOLTAGE | |
Setting | JP27 |
Mixed voltage | Pins 1 & 2, 3 & 4 closed |
3.3v | Pins 5 & 6, 7 & 8 closed |
Note: The location of pin 1 is unidentified. | |
CACHE TYPE | |
Setting | JP20 |
Asynchronous | Pins 1 & 2 closed |
Pipeline burst | Pins 2 & 3 closed |
CPU SPEED | ||
Setting | JP9 | JP26 |
75MHz | Pins 1 & 2, 3 & 4 closed | Pins 1 & 2 closed |
90MHz (3.3v) | Pins 3 & 4 closed | Pins 1 & 2 closed |
90MHz (3.4v) | Pins 3 & 4 closed | Pins 3 & 4 closed |
90MHz (3.5v) | Pins 3 & 4 closed | Pins 5 & 6 closed |
100MHz | Pins 3 & 4 closed | Pins 5 & 6 closed |
120MHz | Pins 3 & 4 closed | Pins 5 & 6 closed |
133MHz | Open | Pins 5 & 6 closed |
150MHz | Pins 3 & 4 closed | Pins 5 & 6 closed |
CPU MULTIPLIER | ||
Setting | JP24 | JP25 |
1.5x | Pins 1 & 2 closed | Open |
2x | Pins 2 & 3 closed | Open |
2.5x | Pins 2 & 3 closed | Closed |
3x | Pins 1 & 2 closed | Closed |
CPU VOLTAGE | ||
Setting | CN1 | |
| » | Normal CPU | Pins 6 & 7, 21 & 22 closed |
High frequency CPU | VRM installed | |
ON BOARD VIDEO | ||
Setting | JP7 | JP8 |
Enabled | Closed | Closed |
Disabled | Open | Open |