Dell Latitude X300 - Manual (Page 33)

PS/2 Connector
23 PIO3_SLCTIN* 24 KBC3_EJECT*
25 GND 26 DCK3_RST*
27 PIO3_PD0 28 BATTB_PRES*
29 PIO3_PD1 30 BAT3_VOLTB
31 PIO3_PD2 32 KBC3_CHGENB
33 PIO3_PD3 34 KBC3_DCHGENB
35 PIO3_PD4 36 DCHGOUTB
37 PIO3_PD5 38 DBAT3_SMDATA
39 PIO3_PD6 40 DBAT3_SMCLK
41 PIO3_PD7 42 KBC3_DCKPWRON
43 PIO3_STROBE* 44 GND
45 PIO3_ACT* 46 PS25_KCLK
47 PIO3_BUSY 48 PS25_KDATA
49 PIO3_PE 50 PS25_MCLK
51 GND 52 PS25_MDATA
53 SIO3_DTR1* 54 P2.5V_LAN
55 SIO3_TXD1* 56 KBC3_
57 SIO3_RTS1* 58 GND
59 SIO3_CTS1* 60 AUD3_SPDIF
61 SIO3_R11* 62 DCK3_PWRSW*
63 SIO3_DSR1* 64 D_HP_IN
65 SIO3_DSR1* 66 CHP3_USBIDE_RST*
67 SIO3_DCD1* 68 DCK_VOLUP*
69 DCK_NICOMVDC 70 KBC3_
71 GND 72 GND*
73 LAN3_DCK_TRD2N 74 LAN3_DCK_TRD3N
75 LAN3_DCK_TRD2P 76 LAN3_DCK_TRD3P
77 LAN3_DCK_TRD0N 78 LAN3_DCK_TRD1N
79 LAN3_DCK_TRD0P 80 LAN3_DCK_TRD1P
81 GND 82 GND
83 PWRON_CHG 84 DCK3_LANACT*
85 DCK_VOLDN* 86 100M_LED*
87 GND 88 10M_LED*
89 USB3_P6- 90 USB3_P4+
91 USB3_P6+ 92 USB3_P4-
93 GND 94 MOD_PRES*
95 1394_TPB- 96 1394_TPA-
97 1394_TPB+ 98 1394_TPA+
99 DCK_DETECT* 100 DCK3_DOCK_IN1*
Pin Signal
1 DAT_KBD
2 DAT_SM1
3 GND
4 PS2VCC
5 CLK_KBD
6 CLK_SM1