Toshiba Satellite 2400 / 1905 / 1900 / 1800 / 1400 / S301 / S302 series HP ZX & ZD Series, A70 / A75 / S211 / M35x-S149 / L15-S104 M30X Series,  1905-S301 #5 – 2.5mm
M35X Series:
M35X-S109, M35X-S111, M35X-S114, M35X-S1141, M35X-S1142, M35X-S1143, M35X-S149, M35X-S1491, M35X-S1492, M35X-S161, M35X-S1611, M35X-S163, M35X-S1631, M35X-S309, M35X-S3091, M35X-S311, M35X-S3111, M35X-S3112, M35X-S329, M35X-S3291, M35X-S349, M35X-S3491
A15 Series*:
A15-S127*, A15-S128*, A15-S129*, A15-S157*, A15-S158*, A15-S169*
A70 Series:
A70-S2482TD, A70-S249,A70-S2491, A70-S2492ST, A70-S256, A70-S2561, A70-S259, A70-S2591
A75 Series:
A75-S125, A75-S1251, A75-S1252, A75-S1253, A75-S1254, A75-S1255, A75-S206, A75-S2061, A75-S209, A75-S2091, A75-S211, A75-S2111, A75-S2112, A75-S213, A75-S2131, A75-S226, A75-S2261, A75-S229, A75-S2291, A75-S2292, A75-S2293, A75-S231, A75-S2311, A75-S276, A75-S2761, A75-S2762
1400 Series:
1400-S151, 1400-S152
1800 Series:
1800-S203, 1800-S204, 1800-S206, 1800-S207, 1800-S253, 1800-S254, 1800-S256, 1800-S274
1905 Series:
1905-S277, 1905-S278, 1905-S301, 1905-S302, 1905-S303, 1905-S304
1955 Series:
1955-S801, 1955-S802, 1955-S803, 1955-S804, 1955-S805, 1955-S806, 1955-S807
2400 Series:
2400-S201, 2400-S202, 2400-S251, 2400-S252
L15 Series: L15-S104
A79, 1900 Series

Compaq 3000 series; Compaq 1500US/ Compaq 1510us(poss takes a 1.65mm pin)??;  eMachine m2350,eMachine 2000 series; ……... Compaq R3000 , R3158 / R3160 / R3200 / R3210 / R3220 / R3230 / R3240 / R3265 / R3290 / R3550US, R3000 / R3003 / R3004 / R3005 / R3020 / R3040 / R3050 / R3060 / R3070 / R3120 / R3140 / R3150

+IBM Thinkpad I Series 600E / 600X / A20 / A21 / A22 / A30 / A30P / A31 / X20 / X24 / R40 (may come in yellow resin) but will work.

+ Emachine M2352 // M5414 (2.5mm)

+ uniwill (maxnote) 733 green laptop //

+  unconfirmed Acer Travelmate 240, 250 and Acer Aspire 1610

+ ACER 252ELCi dc power jack

+Packard Bell Easynote, 6100 series (unconfirmed  2.5mm-#5)

Toshiba 1905-S301, 1905-S303, 1905-S301  Tosh A75 / A70  Toshiba M35x-S349, toshiba satellite 1955-s803(unconfirmed)

HP ZD7000 - ZX5000 - ZV5000, ZD7020US / ZD7045US, ZX5020 / ZX5035 / ZX5040US, ZV5150US / ZV5160US / ZV5250 / ZV5260 / ZV5270, ZD7000, ZD7100, ZD7200, ZD73000 Series: ZD7000, ZD7001ea, ZD7001us, ZD7005ea, ZD7005qv, ZD7005us, ZD7009ea, ZD7010ca, ZD7010ea, ZD7010qv, ZD7010us, ZD7012ea, ZD7015ea, ZD7015us, ZD7020ea, ZD7020us, ZD7030ea, ZD7030us, ZD7035ea, ZD7038ea, ZD7040ea, ZD7040us, ZD7045ea, ZD7048cl, ZD7048ea, ZD7049ea, ZD7050, ZD7050ea, ZD7050us, ZD7055ea, ZD7058cl, ZD7060ea, ZD7063ea, ZD7065ea, ZD7066ea, ZD7070ea, ZD7080ea, ZD7101, ZD7101us, ZD7102us, ZD7112ea, ZD7120ea, ZD7128ea, ZD7129ea, ZD7131ea, ZD7139ea, ZD7140us, ZD7141, ZD7141ea, ZD7143ea, ZD7144ea, ZD7145ea, ZD7150ea, ZD7160ca, ZD7160us, ZD7167ea, ZD7168cl, ZD7168ea, ZD7169ea, ZD7170ea, ZD7180us, ZD7188cl, ZD7198cl, ZD7201us, ZD7202us, ZD7228ea, ZD7229ea, ZD7230ea, ZD7230us, ZD7235ea, ZD7236ea, ZD7245ea, ZD7248ea, ZD7249cl, ZD7250ea, ZD7255ea, ZD7256ea, ZD7257ea, ZD7258ea, ZD7259ea, ZD7260ea, ZD7260us, ZD7265ea, ZD7267ea, ZD7269cl, ZD7270ea, ZD7280us, ZD7283ea, ZD7300ea, ZD7310ca, ZD7310us, ZD7320ea, ZD7340ea, ZD7341ea, ZD7342ea, ZD7348ea, ZD7349ea, ZD7350ea, ZD7360us, ZD7373ea, ZD7374ea, ZD7375ea, ZD7376ea, ZD7377ea, ZD7378ea, ZD7379cl, ZD7379ea, ZD7380ea, ZD7380us, ZD7381ea, ZD7382ea, ZD7383ea, ZD7385ea, ZD7389cl, ZD7390ea, ZD7392ea, ZD7395ea
ZX5000 Series: ZX5040EA, ZX5060, ZX5180, ZX5002, ZX5280us, ZX5078, ZX5041
ZV5000 Series: ZV5000, ZV5000t, ZV5000z, ZV5001US, ZV5002, ZV5030US, ZV5034US, ZV5037WM, ZV5101US, ZV5103, ZV5105US, ZV5120, ZV5160, ZV5200, ZV5201, ZV5202, ZV5210, ZV5220, ZV5227, ZV5230, ZV5235, ZV5240, ZV5242QV, ZV5247LA, ZV5255US, ZV5257LA, ZV5260US, ZV5267LA, ZV5270US, ZV5287LA, ZV5316US, ZV5320, ZV5325, ZV5330, ZV5330, ZV5340, ZV5343, ZV5346, ZV5348, ZV5360, ZV5370, ZV5380, ZV5386
Series NX9100: NX9105, NX9110, NX9110
Series NX9500: NX9500

+ Gateway: M520 (most likely a 1.65mm or poss 2.5mm) , M320, 9300, 3018GZ, 6520GZ, 7330

+ HP HP se4560 2.5mm

+ eMachine M5310, Emachine M5309  (uses 1.65mm center pin) change  the power plug to 2.5mm on the Power Adapter

And MORE!

+ IBM 770ED // 9549-5AU

+eMachine M2350, M2352, M5405  (2.5mm)

+ NX9110, nx9105  Hp, Cmq/Hp NX9500 – 2.5mm

+ Gateway 4525GZ, 7330 (2.5mm)  confirmed----  Gateway 4525GZ, 7330 and M520(most likely a 1.65mm or poss 2.5mm), M320, 9300, 3018GZ (unconfirmed)

+ Gateway: 2.5mm - #5
M210, M250GS, M250G, M250ES, M250E, M250A, M250B, M320, M325, M360, M360A, M360B, M360C, M460, M460A, M460B, M465QS, M465G, M465E, M520**(most likely a 1.65mm or poss 2.5mm), NX100X, NX200S, NX200X, NX250X, NX500S, NX500S w/S-Video, NX500X, NX500X w/S-Video, NX510S, NX550X, NX550XL, NX560X, NX560XL, S-7200N, S-7500N, S-7510N, S-7700N, S-7710N
Gateway 3000 Series:
3018GZ, 3040GZ, 3520GZ, 3522GZ, 3525GB, 3545GZ, 3550GH, 3550GZ, 3610GZ, MX3042, MX3044, MX3044H, MX3210, MX3212, MX3215, MX3225, MX3228, MX3558, MX3558H, MX3560, MX3560H, MX3562, MX3563, MX3563H, MX3610
Gateway 4000 Series:
4012GZ, 4024GZ, 4025GZ, 4026GZ, 4028GZ, 4028JP, 4030GZ, 4520GZ, 4525GZ, 4530GH, 4530GZ, 4535GZ, 4536GZ, 4538GZ, 4540GZ, 4541BZ, 4542GP, 4543BZ
Gateway 6000 Series:
6010GZ, 6018GH, 6018GZ, 6020GZ, 6021GZ, 6022GZ, 6023GP, 6510GZ, 6518GZ, 6520GZ, 6525GP, 6531GZ, MX6025, MX6025H, MX6027, MX6027H, MX6028, MX6030, MX6121, MX6123, MX6124, MX6124H, MX6128, MX6135, MX6420, MX6421, MX6423, MX6424, MX6424H, MX6425, MX6428, MX6436, MX6437, MX6438, MX6440, MX6440H, MX6442, MX6450, MX6455, MX6625, MX6627, MX6627H, MX6629, MX6629H, MX6631, MX6633, MX6633H, MX6640B, MX6650, MX6650H, MX6708, MX6708H, MX6710, MX6750, MX6912, MX6951, MX6951H
Gateway 7000 Series:
7110GX, 7210GX, 7215GX, 7305GZ, 7320GZ, 7322GZ,7324GZ, 7325GZ, 7326GZ, 7330GH, 7330GZ, 7405GH, 7405GX, 7410GX, 7415GX, 7422GX, 7426GX, 7508GX, 7510GX, MX7118, MX7315, MX7337, MX7337H, MX7340, MX7515, MX7515H, MX7525, S-7200C

** M520- might have a 2mm center pin- please verify diameter. (most likely a 1.65mm or poss 2.5mm)

+**Partial  unconfirmed jack, Gateway DS M520X (2.5mm unconfirmed) (most likely a 1.65mm or poss 2.5mm)

+ These Jacks look to be using a 1.65mm center Pin size jack (a 2.5mm can be used if Power Plug end on Power Adapter is Changed to a mtaching 2.5mm plug end) Compaq Presario:
900, 903, 904, 905, 905, 906, 909, 907, 908, 909, 910, 910, 910, 911, 912, 914, 915,916, 917, 918, 919, 920, 920, 920, 921, 922, 925, 925, 927, 930, 935, 940, 943, 945, 950, 955, 1500, 1500US 1505, 1505, 1507, 1507, 1508, 1510, 1515, 1522, 1522, 1523, 1525, 1527 Compaq Evo: N1005v,N1015v Gateway 7422GX series (unconfirmed)// M520(most likely a 1.65mm or poss 2.5mm), M320, 9300, 3018GZ, 6520GZ, 7330

M520(most likely a 1.65mm or poss 2.5mm), M320, M325, 9300, 3018GZ, 4012GZ, 4024GZ, 4025GZ, 4026GZ, 4028GZ, 4028JP, 4030GZ, 4520GZ, 4525GZ, 4530GH, 4530GZ, 4535GZ, 4536GZ, 4538GZ, 4540GZ, 4541BZ, 4542GP, 4543BZ, 6520GZ, 7110GX, 7210GX, 7215GX, 7305GZ, 7320GZ, 7322GZ,7324GZ, 7325GZ, 7326GZ, 7330GH, 7330GZ, 7405GH, 7405GX, 7410GX, 7415GX, 7422GX, 7426GX, 7508GX, 7510GX, MX7118, MX7315, MX7337, MX7337H, MX7340, MX7515, MX7515H, MX7525, S-7200C (should be 2.5mm..though the ex. M520(most likely a 1.65mm or poss 2.5mm), M325 may take different size.);  ++ M505B2 Gateway…..unconfirmed (uses either a #5-1.65 or a #1-1.65mm)