! If you have hardware not listed here, please post your pics in this post on Assemblergames.

Last updated: 16 May 2011

Dreamcast Modem, LAN & BBA Adapters


ModemJap Type A
Jap Type B
Jap Type C
External ref.S98-3073-0
A00-0491 JP
A00-0492 JP, 670-14140B
Board ref. (171-*)
171-7628D
171-8094C
171-8094C
Board ref. (837-*)
837-13377
837-14115
837-14040
837-14041
837-14040
837-14041
Board text
IC BD MODEMARU
IC BD MODEMARU JPN/USA
IC BD MODEMARU JPN/USA
Company
SEGA
SEGA
SEGA
Year
1998
2000
2000
Made in
Japan
Japan
Japan
Modem Chip Manuf.
Rockwell
Conexant
Conexant
Modem Chip Ref.
RP336LD R6785-17
RP336LD R6785-18
RP56LD R6785-19
Modem Speed
V.34 (33.6 kbps)
V.34 (33.6 kbps)
V.90 / K56flex


ModemUSA Type C1
USA Type C2
USA Type C3
External ref.670-14082A, 670-14140A
670-14082A, 670-14140B
670-14082A, 670-14140B
Board ref. (171-*)
171-7954B
171-7954B
171-8094C
Board ref. (837-*)
837-13770
837-13770
837-14115
837-14040
837-14041
Board text
IC BD MODEMARU USA
IC BD MODEMARU USA
IC BD MODEMARU JPN/USA
Company
SEGA
SEGA
SEGA
Year
1999
1999
2000
Made in
Japan
Japan
Japan
Modem Chip Manuf.
ConexantConexantConexant
Modem Chip Ref.
RP56LD R6785-19
RP56LD R6785-19
RP56LD R6785-19
Modem Speed
V.90 / K56flex
V.90 / K56flex
V.90 / K56flex


ModemEUR Type A
EUR Type B
EUR Type C
External ref.670-14116A
670-14116A / 670-14117A
?
Board ref. (171-*)
171-7955D
171-7955D
171-7955D
Board ref. (837-*)
837-13771
837-13771
837-13771
Board text
IC BD MODEMARU EUR/AUS
IC BD MODEMARU EUR/AUS
IC BD MODEMARU EUR/AUS
Company
SEGA
SEGA
SEGA
Year
1999
1999
1999
Made in
Japan
Japan
Japan
Modem Chip Manuf.
RockwellConexantConexant
Modem Chip Ref.
RP336LD R6785-17
RP336LD R6785-18
RP56LD R6785-19
Modem Speed
V.34 (33.6 kbps)
V.34 (33.6 kbps)
V.90 / K56flex


LAN / Broadband Adapter
Jap LAN
Jap BBA
USA BBA
External ref.-
670-14250C
?
Board ref. (171-*)
171-8075B (Main)
171-8076B (Sub)
171-8124F
?
Board ref. (837-*)
837-13993B (Main)
837-13994B (Sub)
837-14081
?
Board text
PC BD MAIN LAN-SDRAM (Main)
PC BD SUB LAN-SDRAM (Sub)
PC BD LANMARU2 FOR DC
?
Company
SEGA
SEGA
?
Year
2000
2000
?
Made in
Japan
Japan
?
Modem Chip Manuf.
Altera + Fujitsu
Realtek + Pulse
?
Modem Chip Ref.
Max EPM7064STC100-10 + (?) MB86967
RTL8139C + H0011
?
Modem Speed
10 mbps
100 mbps
?


SpecialsDummy Modem

USA Debug DC Modem
External ref.-

(None)
Board ref. (171-*)
171-7788A

171-7954B
Board ref. (837-*)
839-1107A

837-13770
Board text
PC BD TERMINATION

IC BD MODEMARU USA
Company
SEGA

SEGA
Year
-

1999
Made in
Japan

Japan
Modem Chip Manuf.
-

Rockwell
Modem Chip Ref.
-

RP56LD R6785-19
Modem Speed
-

V.90 / K56flex


JAP:


Front – Type A

Front – Type B

Front – Type C

Back – Type A

Back – Type B

Back – Type C

Bottom – Type A

Bottom – Type B

Bottom – Type C



USA/CAN:


Front – Type C1

Front – Type C2
Front – Type C3
Back – Type C1
Back – Type C2
Back – Type C3
Bottom – Type C1
Bottom – Type C2
Bottom – Type C3
Inside – Type C1
Inside – Type C2
Inside – Type C3



EUR/AUS:


Front – Type A

Front – Type B

Front – Type C

Back – Type A

Back – Type B

Back – Type C

Bottom – Type A

Bottom – Type B


Bottom – Type C





LAN Adapter:


Front – Jap

Back – Jap
Inside - Jap




Broadband Adapter:



Front – Jap

Back – Jap
Bottom - Jap



Dummy Modem:


Front

Back





Debug DC Modem:



Front – USA

Back – USA

Side - USA

Miniboard - USA