to 100F
Microprocessor
Microprocessor type 386 SX™
Microprocessor speeds 20 or 8 MHz
Standby mode speed 2 MHz
Math coprocessor optional 20-MHz Cyrix 83587
(387 SX™-compatible)
I/O bus speed 8 MHz
Data bus width 16 bits
DMA channels:
Diskette drive DMA2
Power management DMA5
Interrupt levels 15
Flash EPROM 128 KB (includes system BIOS, video BIOS, and System Setup
program screens)
Standard base built-in RAM 1 MB (320N)
Maximum system board RAM 5 MB (320N)
Standard base built-in RAM 4 MB (320N+)
Maximum system board RAM 8 MB (320N+)
Memory module sockets 2
Memory Module Types
Proprietary 1-MB and 2-MB module:
1-MB module requires 2 sockets
2-MB module requires 1 socket
Architecture page mode, 2-way interleaving
Wait states near 0 (0.5 to 0.7 average)
Memory access time 80 ns
tRAC 80 ns
tCAC 20 ns
Expanded memory support software LIM 4.0
PS/2 keyboard/keypad (optional) 6-pin mini-DIN
PS/2 mouse 6-pin mini-DIN
Video VGA DB15-hole connector
Serial DB9-pin connector
Parallel DB25-hole connector
IDE connector standard
Diskette drive built-in
Proprietary internal serial optional modem
Maximum resolutions 1024 x 768 pixels*
* 4-color S VGA WD 90C20 controller with 256 KB of video DRAM; built-in RAMDAC with color-to-gray mapper; connector for optional external VGA monitor.
Display area 7.09 x 5.24 inches
Maximum resolutions 640 x 480 pixels, 16 gray
Illumination cold cathode fluorescent tube
Display minimum 10:1 contrast ratio edgelit panel, film-compensated
super-twist design
edgelit panel, film-compensated
Height (viewing area) 5.19 inches
Width (viewing area) 6.92 inches
Diagonal 8.6 inches
Type edgelit LCD
Video mode VGA
Gray scale 16 shades
Character display 80 x 25
Brightness adjustable
Contrast adjustable
Text modes graphics modes
Visible bays:
1 bay 3.5 inches, 18-mm height
Hidden bays:
1 bay 2.5 inches, 18-mm height
Keyboard keys 85
Key travel with tactile feedback 3 mm
Spacing for QWERTY keys 0.720 inches
(standard spacing 0.750 inches)
2x processor, 4x microcontroller 40.000-MHz oscillator
Diskette controller clock 24.000-MHz crystal
I/O chip, with serial port clock 18.432-MHz crystal
Video clock 14.318-MHz oscillator
Real-time clock reference 32.768-kHz crystal
<CTRL-ALT-DEL>warm boots system
<CTRL-ALT-ENTER> displays System Setup program screens
<CTRL-ALT-\> toggles between 20-MHz and 8-MHz speeds
<CTRL-ALT-#> speed toggle for 102-key keyboard
<CTRL-ALT-F10> toggles between 4 possible screen fonts: system font, full
screen, bold, mixed
<CTRL-ALT-F11> toggles between LCD and external monitor
<CTRL-ALT-F12> toggles video sense of video-attribute intensify bit
<CTRL-ALT-BACKSPACE> toggles reverse video mode
USA FCC Class B
European (except UK) VDE Class B
Canadian DOC Class B
United States UL
Europe TUV
Canada CSA
AC adapter output 12 VDC, 2.0 A
Voltage (no selection required) 115 V at 50 Hz/240 V at 60 Hz
AC adapter size (inches) 1.5 H x 4.15 L x 1.96 W
Weight 1.06 lb
Reserve battery in-line stack NiCad
Charged battery life 2 to 3 minutes
PDR (processor data rate) 142.00
320N & 320N+ battery:
Main battery dual-bank NiCad*
Voltage 8.4 V, 2 x 1700 mAh
Time to fully charge 3 hr (system off)
Charged battery life approximately 3 hr
Battery life approximately 500 full charges
(charged at room temperature)
Weight 1.5 lb
* Do not use NiMh batteries in the 320N.
Main battery dual-bank NiMH*
Voltage 8.4 V, 2 x 2200 mAh
Time-to-fully charge 3.5 hr (system off)
Charged battery life approximately 4 hr
Battery life approximately 500 full charges
(charged at room temperature)
Weight 1.63 lb
* The 320N+ can use either NiCad or NiMH batteries.
Height 2.0 inches
Width 11.0 inches
Depth 8.56 inches
320N weight 6.4 lb
320N+ weight 5.17 lb
Operating 41
Storage -13Relative humidity:
Operating 8% to 80% (noncondensing)
Storage 8% to 80% (noncondensing)
Maximum shock:
Operating 5 G
Storage 40 G
Maximum vibration:
Operating 1 G
Storage 3 G
Altitude:
Operating 0 to 8000 ft
Storage 0 to 10,000 ft
Acoustics:
Noise level (operating) 45 dB