4
JP5: COM2 Serial Port RI and
Voitage selection
JP5
Description
1-2
COM2 RI PIN USE RI
3-4
COM2 RI PIN USE +5V
4-5 COM2 RI PIN USE +12V
JP14: LCD Panel Voitage and
BL_ADJ Select
JP14
Description
1-2
Panel Voltage 3.3V
2-3
Panel Voltage 5V
5-6
BL_ADJ pull VCC5
6-7
BL_ADJ pull GND
JP17: Serial Port (COM2) MODE
RS-232/RS-422/RS-485 Select
JP17
Description
1-2
RS-232
3-4
RS-485
5-6
RS-422
CN12: Floppy Connector
PIN Description PIN Description
1 GND 2 RWC-
3 GND 4 NC
5 GND 6 NC
7 GND 8 INDEX#
9 GND 10
MOTEA#
11 GND 12 DRVB#
13 GND 14 DRVA#
15 GND 16 MOTEB#
17 GND 18 DIR#
19 GND 20 STEP#
21 GND 22 WDATA#
23 GND 24
WGDATA#
25 GND 26 TRK#
27 GND 28 WPT#
29 GND 30 RDATA#
31 GND 32 HEAD
33 LPY/FLPY# 34 DSKCHG#
CN17: USB Connector
PIN Description PIN Description
1 VCC5 2 GND
3 USB3- 4 USB4+
5 USB3+ 6 USB4-
7 GND 8 VCC5
CN21: External Switches and Indicators
PIN Description PIN Description
1 2
VCC5
3 4
GND
5 PWRLED- 6 BUZZER
7 KBINH 8 PC_BEEP
9 GND 10 NC
11 GND 12 IDE_LED-
13 PWRBTN# 14
15 NC 16 NC
17 NC 18 RESET+
19 GND 20 RESET-
*Pin6-8 Short Onboard Buzzer
CN41: FAN Connector
PIN
Description
3 NC
2 VCC12
1 GND
CN42: FAN Connector
PIN
Description
3 NC
2 VCC12
1 GND
JP11: CLEAR CMOS
JP11
Description
1-2
Normal
2-3
CLEAR CMOS
Содержание IEM-DB-7S-RS
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