HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 149
Ground, Flp_wp, Unused, Flp_rd_d, Flp_sel_a, Flp_hd_sel, Flp_dskchg, 3.3v Aux, Comm_b_det
UPC - 883585505951
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Floppy (diskette) drive Internal serial Pin Signal Pin Signal 11 Ground 28 FLP_WP# 12 Unused 29 Ground 13 Ground 30 FLP_RD_D# 14 FLP_SEL_A# 31 Ground 15 Ground 32 FLP_HD_SEL# 16 Unused 33 Ground 17 Ground 34 FLP_DSKCHG# Pin Signal Pin Signal 1 DTR2# 9 +5V 2 RXD2 10 +3.3V AUX 3 CTS2# 11 RTS2# 4 DSR2# 12 COMM_B_DET# 5 TXD2 13 DCD2# 6 R12# 14 -12V 7 Ground 15 +12V 8 Ground ENWW Connector pin descriptions 141
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Floppy (diskette) drive
Pin
Signal
Pin
Signal
11
Ground
28
FLP_WP#
12
Unused
29
Ground
13
Ground
30
FLP_RD_D#
14
FLP_SEL_A#
31
Ground
15
Ground
32
FLP_HD_SEL#
16
Unused
33
Ground
17
Ground
34
FLP_DSKCHG#
Internal serial
Pin
Signal
Pin
Signal
1
DTR2#
9
+5V
2
RXD2
10
+3.3V AUX
3
CTS2#
11
RTS2#
4
DSR2#
12
COMM_B_DET#
5
TXD2
13
DCD2#
6
R12#
14
-12V
7
Ground
15
+12V
8
Ground
ENWW
Connector pin descriptions
141