SB5101 ugd to 16m Ram

[cushion]

Here are some part numbers for your reference, hope it helps:
16M 16bit
micron MT48LC8M16A2 ( 2 Meg x 16 x 4 banks )
icsi(issi) IC42S16800/IC42S16800L -7T
AMIC A43L3616V-7 (2M X 16 Bit X 4 Banks )
samsung K4S281632H -TC75
hynix HY57V281620B(L)T (4 Banks x 2M x 16-Bits )

32M 16bit
micron MT48LC16M16A2 (4 Meg x 16 x 4 banks)
samsung K4S561632D (4M x 16bit x 4 Banks)
K4S561632D-TC/L60 166MHz(CL=3)
K4S561632D-TC/L7C 133MHz(CL=2)
K4S561632D-TC/L75 133MHz(CL=3)
hynix HY57V561620B(L/S)T (4 Banks x 4M x 16Bit )
HY57V561620BT-6 166MHz
HY57V561620BT-K 133MHz
HY57V561620BT-H 133MHz
elpida ds2516apta

64M 16bit
micron MT48LC32M16A2 ( 8 Meg x 16 x 4 banks )
samsung K4S511632B-TC(L)75 32Mb x 16 (CL=3) 133MHz (8M x 16Bit x 4 Banks SDRAM)

also attach some pictures,
most laptop ram module are with 16bit rams, like this one:

here are some good rams:

also some other 16bit rams: