1/0 Code - Sony BVE-600 Maintenance Manual

3-2. 1/0 CODE
1. SY-113 Board
ROM/RAM Block
Wh
(1) ROM Block
Standard 27C301G x4 (512K BYTE)
00000~3FFFF
40000~7FFFF IC 100 ~ IC 91
(2) RAM Block
Standard ~PD43256 x2 (64K BYTE)
IC Location
Address
Upper (D15-D8) Lower (D7-D0)
88000~97F FF IC 98 IC 89
(3) EEPROM
Standard 2804A x1
iil
IC Location
Upper (D15-D8) Lower (D7-D0)
Standard setting
(512K BYTE)
ata
ne Upper (D15-D8)_| Lower (D7-D0)
86000~863FF | IC 16
® Information of the system set-up is kept.
Standard setting
(512 BYTE)
® Re-write is assured until 10000 times.
© Lower address is only used.
(4) SIO Block
Address Function Connect
3-2