Jp6: Diskonchip Bios Expansion Address Select; J11: Rs232/422/485 (Com2) Selection - IBM CI5VGM Series User Manual

Chapter 2 Installations

JP6: DiskOnChip BIOS Expansion Address Select

JP6 Address
D0000-D7FFF
1 2 3

J11: RS232/422/485 (COM2) Selection

COM1 is fixed for RS-232 use only.
COM2 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings of this connector.
COM2
RS-232
Function
Jumper
Setting
(pin closed)
jumpers
open
1
3
5
7
9
Jumper 11
13
Illustration
15
17
19
21
23
J11
22
JP6
1 2 3
RS-422
1-2
3-4
5-6
7-8
all 11-12
15-16
17-18
19-20
23-24
2 1 2
4 3 4
6 5 6
8 7 8
10 9 10
12 11 12
14 13 14
16 15 16
18 17 18
20 19 20
22 21 22
24 23 24
J11
CI5VGM User's Manual
Address
D8000-DFFFF
(default)
RS-485
1-2
3-4
5-6
7-8
9-10
11-12
13-14
15-16
17-18
19-20
21-22
23-24
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
J11