Rev. C
Hardware Specifications 7-5
IR-320 Technical Reference Manual
Hardware Specifications
CPU (Celeron-PPGA)
An Intel Celeron™ processor is used as the CPU.
Memory (168-pin DIMM)
Two 168-pin DIMM sockets are available, and a maximum of 512 MB of memory can be
mounted. The DRAM supports only the 3.3 V SDRAM (synchronous DRAM.) A single DIMM
can be used. It also is possible to use DIMMs of two differing capacities. DIMMs must conform
to the Intel PC SDRAM unbuffered DIMM specifications.
SDRAM specifications Conform to the Intel PC SDRAM Specifications Applicable to PC100
The DIMM of the PC133 can be used but it works at 100MHz.
Video Controller
The video controller in the chipset (Intel 810E2)
The video memory uses the part of the main memory, and the color count settings shown below
are possible for each resolution.
Notes: 1. The table above shows the number of colors that can be set. The number of colors that can be actually
displayed is limited to the number of display colors for each LCD unit.
2. 16,770,000 colors = 16 M colors = 24-bit; 65,000 colors = 64 K colors = 16-bit.
Note:
The number of colors that the TFT-type LCD unit can actually display for expression is 256.
IDE Devices
It is possible to mount up to two 2.5-in. HDDs as primary IDE devices and a CD-ROM drive ,
CD-R/RW drive and a CompactFlash disk as secondary IDE devices.
Note:
HDD Life: 5 years or when the total amount of use exceeds 20,000 hours. (Condition: The HDD’s motor
stops for 10 minutes or more every 24 hours(for 2.5” HDD)).
Frequency
Package
L2 cache
System Bus
CPU
1.2GHz
FCPGA2
256KB
100MHz
733MHz
FCPGA
128KB
66MHz
Display devices and colors that can be set
Resolution (dots)
Display device
DM-LR104T
DM-LR121SV/121SL
CRT
640
×
480
—
—
16,770,000 colors
800
×
600
16,770,000 colors
16,770,000 colors
16,770,000 colors
1024
×
768
—
—
65,000 colors
Summary of Contents for IR-320
Page 1: ...Technical Reference Manual IR 320 Issued Date Issued by EPSON English 404368102 ...
Page 2: ......
Page 38: ...1 22 IR 320 System Overview Rev C ...
Page 260: ...4 80 Utilities Rev C ...
Page 294: ...5 34 BIOS Functions Rev C ...
Page 308: ...6 14 Device Diagnostics Utility Rev C Confidential ...
Page 324: ...A 4 Wake On LAN Rev C Confidential ...
Page 332: ...B 8 The IR 310 Compared to the IR 320 Rev C ...
Page 339: ......
Page 340: ...EPSON SEIKO EPSON CORPORATION ...