Sony NW-S4 Service Manual page 6

NW-S4
5. Firmware Info Check
The DSP program version and the flash memory capacity can be checked. (block 0)
The version at the shipment is as follows. (Versions will vary if updated)
Version
Flash memory size
6. Sub-CPU Info Check
The Sub-CPU program version can be checked. (block qa)
The version at the shipment is as follows. (Versions will vary if updated)
Version
7. Key Check
Click the block qs while pressing a key on the set, and "ON" is displayed in the block associated with the pressed key, so that the key
operation can be checked.
1-4. Required System Configuration
 
• IBM PC/AT and compatibles
 
CPU: MMX Pentium 233 MHz and above (Pentium II 400 MHz and
above recommended)
Hard disk drive space: 20 MB and above (Free space is required,
depending on the version of Windows 98 and the size of the audio
data you are using.)
RAM: 64 MB and above
CD-ROM drive
Sound Board: Creative SoundBlaster 16 compatible
Default built-in USB port
• Operating system: The default installation of Windows
version (The product does not work on Windows 95/3.1 or Windows
NT. Not assured trouble-free if you use an upgrade version from
Windows 95/3.1 to Windows 98.)
• Display: SVGA (800 × 600 pixel) (supports High Color (16 bit) and
above)
• Internet access
1-5. Action if MAIN Board was Replaced
If the MAIN board was replaced, perform "1. Execution of Play Info Initialize" in work procedure provided below.
When the MAIN board was replaced, the set status is as listed in Table 1-4.
Table 1-4.
Board name
MAIN board Music data and music information data stored in the set are cleared and not restored.
Precautions
1. Do not disconnect the USB cable in the midway of work.
2. If the operation on the PC side is not accepted during work, disconnect the USB cable and close the "
restart from the beginning.
6
106
64094208
17
Set status after board replacement

98 English
" file, then