System Board; Table 1-1 System Board Environmental Specifications - Toshiba Infinia 7130 Series Maintenance Manual

System Board

The Infinia™ system board has the following features.
Intel Pentium
(Model 7160), 166 MHz MMX
200 MHz MMX
ATX form factor system board
Support for up to 128 MB of DRAM. Models 7130 and 7160 come equipped
with 16 MB installed. All other models come equipped with 32 MB installed.
Support for 256 KB secondary (L2) cache. Each Infinia™ computer comes with
256 KB installed.
Intel 82430HX PCI chipset (Model 7130,7160, and 7200) or Intel 82439HX and
82371 chipset (Model 7161, 7201, and 7220)
SRS Labs Sound Retrieval System (SRS) 3D audio
S3 ViRGE graphics controller
PC87306B Super I/O controller
Expansion slots for up to seven add-in cards:
• Three dedicated PCI-bus slots
• Three dedicated ISA-bus slots
• One combination slot for either a PCI or an ISA add-in board
Two RS-232C (16550 UART) compatible 9-pin serial connectors
One multimode, 25-pin Centronics compatible parallel port
SVGA monitor connector
Two USB ports
PS/2-style keyboard and mouse connectors
BIOS password protection for security
The system board has the configuration shown in Figure 1-3.

Table 1-1 System Board Environmental Specifications (1/2)

Item
Temperature
− Operating Temperature
− Non-Operating
DC Voltages
− +5 V
− - 5 V
− + 12 V
− - 12 V
− +3.3 V
Infinia™ Series Maintenance Manual ------------------------------------------------------------- 1-6
®
microprocessor running at 133 MHz (Model 7130), 166 MHz
™
(Model 7161), 200 MHz (Model 7200), or
™
(Model 7201 and 7220)
0° C to 70° C
-40° C to 55° C
±5%
±5%
±5%
±5%
±5%
Specification