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Toshiba Satellite L640D - CN21 3 In1 Card Reader Connector; CN22 RTC Battery Connector; CN23 FAN Connector; CN24 MINI Card Slot#1 (Wi-Fi) Connector

Toshiba Satellite L640D
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Pin Assignment
Satellite L600D/L640D/L645D, Satellite Pro L600D/Pro L640D/Pro L645D Maintenance Manual (960-Q08)
CN21 3in1 Card Reader Connector
PIN No. Signal name I/O PIN No. Signal name I/O
1 SD_DAT2/XD_RE#_R I 2 GND ---
3 SD_DAT3/XD_WE#_R I 4 VCC_XD ---
5 SD_MS_CLK_RMS O 6 SD_CMD_R I/O
7 XD_D7/MS_D3 I/O 8 MS_INS# I
9 GND --- 10 XD_D2/MS_D2 I/O
11 VCC_XD --- 12 SD_DAT0/XD_D6/MS_D0 I/O
13 XD_D3/MS_D1 I/O 14 SD_MS_CLK_R O
15 XD_D5/MS_BS I/O 16 GND ---
17 GND --- 18 SD_DAT0/XD_D6/MS_D0_R I/O
19 XD_D4/SD_D1_R I/O 20 SD_WP_R I
21 SD_CD#_R I 22 GND O
23 GND I 24 NC
CN22 RTC Battery Connector
PIN No. Signal name I/O PIN No. Signal name I/O
1 GND --- 2 N86171025 I
CN23 FAN Connector
PIN No. Signal name I/O PIN No. Signal name I/O
1 TH_FAN_POWER_C --- 2 GND ---
3 FANSIG1 I
CN24 MINI Card Slot#1 (Wi-Fi) Connector
PIN No. Signal name I/O PIN No. Signal name I/O
1 WLAN_WAKE# O 2 WIMAX_P ---

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